Skip to main content

Filter By:

  • Show More Brands

  • Show Fewer Brands

Shifters

$119.99
Just because your hands are comfortably resting on the tops of your handlebars, it doesn't mean you shouldn't be able to shift gears. With Shimano's Di2 Remote Satellite Shifter, you're just a simple, light button push away from shifting perfection. These phenomenal accessory shifters are for use with Shimano's Di2 drivetrain components (sold separately) and can be positioned anywhere on your bars for a custom feel. Plus, these beauties feature spot-on ergonomics for smooth, controlled shifting even when you're pushing yourself to your physical limit.
$164.00
SRAM's 11-speed XX1 Grip Shift fires off shifts quickly, precisely, and most importantly, dependably. It uses SRAM's X-Actuation for sharp, consistent shifts over any terrain, in any condition. Its Rolling Thunder ball bearings have zero friction or play, letting you shift with very little effort. A carbon cover keeps the weight down, something all riders can agree on. The included locking grips offer a secure hold on your bars and makes a neat single unit. Just in case you don't like the grips, the shifter also plays well with other grips.
$27.99 - $28.00
SRAM's X5 shifters feature Exact Actuation 1:1 cable pull ratios for precise, dependable shifting. Crafted with lightweight aluminum, the X5s are built tough to handle all your off-road endeavors.
$142.00
SRAM's X0 shifters are an absolute must for riders who desire and deserve the best. The adjustable clamp and levers allow you to custom tune the shifters for one-finger, ergonomic gear changes that are near telepathic. Crafted with lightweight aluminum, the X0s are super light and race-ready, yet they're also built tough to handle all your off-road endeavors.
$47.00
Designed for the most discerning, performance obsessed riders, SRAM's GX 2x11 Front Grip Shifter features weight-saving construction and delivers outstanding speed and precision. SRAM's X-Actuation gives you precise and dependable front 2-speed performance. This left-side front shifter is compatible with SRAM's GX 2x11-speed front derailleur. • Full metal, 2-speed indexing keeps shifting crisp and precise with Grip Shift • Three rows of ball bearings provide zero friction or play—reducing the force needed to shift and promoting long-term performance under all weather conditions with Grip Shift • Once the Grip Shift shifter and grip interlock securely, forged aluminum clamps on either end reinforce the assembly by locking tightly to handlebar • Weight: 144 grams
$37.00
Get sharp, dependable, Exact Actuation shifting with SRAM's GX 2x10 Front Trigger Shifter. This left-side front shifter is compatible with SRAM's GX 2x10-speed components (sold separately) and brings championship technology to everyone. • Dedicated 2-speed front trigger shifter • Multi-position mounting • Aluminum pull lever • MatchMaker X compatible • Weight: 122 grams
$49.00
The GX Eagle shifters for the Eagle 1x12 drivetrains are high performance, moderately priced, and put total control of your gear selection in one hand. - Includes 2200mm cable - Updated SRAM twist mechanism for higher precision and increased durability - Rear Der/Shifter Compatibility: SRAM X-Actuation
$20.00
The newly redesigned Eagle AXS Rocker Paddle gives the rider a traditional, familiar interface for their cutting-edge electronic control. Effortless electronic shifting paired with a more traditional-feeling actuation makes for quick assimilation of riders who are new to AXS and provides another ergonomic option for those who have run AXS previously. The controller's functions are customizable through the AXS app, allowing you to assign any action to any button. With AXS, you can truly make your cockpit your own. - Customize in-board and outboard shift options - AXS-enabled components can be programmed and personalized using the SRAM AXS App.
$9.00
SRAM's 3.0 Twist Shifters are simple to use and offer solid shifting and reliable construction. Using SRAM's 1:1 actuation ratio technology, the 3.0s are easy to set up and easy to adjust. Plus, with a simple twist of the wrist, you can shift all of gears at once. These shifters are indexed to shift three front chainrings, and feature micro-adjustments to keep derailleur alignment perfect.
$114.99
Shimano's Dura-Ace Bar-End Shifters are great for tourists, commuters, cyclocrossers, triathletes and time trialists. They provide precise and reliable shifting on double- and triple-chainring drivetrains.
$44.00
Get sharp, dependable X-Actuation shifting with SRAM's GX 2x11 Front Trigger Shifter. This left-side front shifter is compatible with SRAM’s GX 2x11-speed components (sold separately) and brings championship technology to everyone. • Dedicated 2-speed front trigger shifter • Multi-position mounting • Discreet clamp • Aluminum pull lever • MatchMaker X compatible • Weight: 122 grams
$12.99 - $24.99
Compatible with most Shimano drivetrains, microSHIFT thumb tap shifters have durable bodies with ergonomic shift levers that make it easy to get bikes going again. - Include shift cables - Visible gear indicator
$53.99 - $56.99
Imagination is the only limitation to how much the microSHIFT bar-end shifters can do. Their small, minimalistic designs are packed with precision machined mechanism that allows you to shift accurately with either index or friction mode. Go on any adventure without worrying about mechanical issues. - Includes stainless slick shift cables - Index/friction switchable - Shift lever and bracket built with anodized, cold-forged aluminum - 19.0 - 22.0mm clamp band
$39.00
SRAM NX Grip Shift with X-ACTUATION™ technology gives you sharp, dependable shifting. Built for precise and swift shifting across our wide range 11-speed cassette, the NX Grip Shift brings industry changing technology to everyone. - SRAM 1x™ X-ACTUATION™ for precise and dependable 11-speed performance - SPEED METAL™ shift indexing - ROLLING THUNDER™ ball bearing technology - JAWS™ lock-on grip technology
$118.00
Be it the fireworks of a finale, an ideal rhythm, climbing on the top, or a deep, dark place extracting the last kilojoule of effort on your bike split, you want to adjust your gear with the twitch of a finger. eTap Blip satellite shifters allow you to shift when you want, where you want. - Limitless remote shifting positions for drop and aero bars - Wired shift buttons can be positioned however the rider prefers - Connect to Blip Box or drop bar eTap levers - Compatible with SRAM RED eTap shift/brake controls
$32.00
Precise and easy to use, SRAM's Apex 1 flat bar shifter places a wide range of available gears right at your fingertip. - Exact Actuation technology for precise and dependable 11-speed performance - Weight: 142 grams - Speeds: 1 x 11 - Recommend Group: SRAM Apex 1 - Color: Black
$39.99
Shimano Rapidfire Plus flatbar shift levers for road and fitness bikes. Compatible with 2x8 and 3x8 Claris R2000 components. The levers are also equipped with 2-Way Release for different riding styles or shifting (index finger or thumb) from various riding positions. The upper lever still performs the same function, but it swings both ways. Pull it with your finger or push it with your thumb—you choose. - Optical display to quickly see what gear you are in - Quick-adjust barrel for fine-tuning shifting
$16.99
Changing gears is a snap with the Acolyte shifter. Discrete thumb and index levers and a crystal clear gear indicator simplify shifting decisions, making each action and reaction easy to understand. And, of course, it retains the light action and positive indexing that microSHIFT has made its name on. - Ergonomic trigger placement - Clear and easy to read indicator
$59.99
SHIMANO SORA SL-R3000 shift lever provides reliable and intuitive shifting for flat bar road bikes. The RAPIDFIRE PLUS left shift lever features 2WAY-RELEASE and SHIMANO's OPTICAL GEAR DISPLAY shows riders what gear position is selected while riding. FEATURE -SHIMANO STI (DUAL CONTROL LEVER) with internal cable routing BENEFIT - Clean cockpit area - Compatible with standard 9-speed rear derailleurs
$38.99
- 11-speed - Quicker lever access and light operation - Shifts max. 3 gears at a time (Main lever) - Clean and action-optimized cockpit - OPTICAL GEAR DISPLAY for easy visible gear position - Clamp Band
$44.99
The Box Three shifter makes good use of nylon composites in both top and bottom shells as well as the levers. Box Three is our performance and value tier. So this shifter sheds all the fancy trappings of the top 2 tiers but maintains their shifting characteristics. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).
$31.99
- 12-speed - Quick and easy shifting - Quicker lever access and light operation - Shifts max. 3 gears at a time (Main lever) - OPTICAL GEAR DISPLAY for easy visible gear position - Clamp Band
$209.99
M110 drop bar shifter levers allow for the use of a Shimano Shadow Plus 11-speed rear derailleur with road handlebars to create a drop bar 1x11 setup. They feature the same reliable, easy-to-use shift mechanism found on microSHIFT's R-Series shift levers. - Includes cable and housing - Separate dedicated lever for up- and down-shifts - Replaceable hood cover and face plate - External shift cable routing for low friction, smooth response and easy cable and housing replacement - Left lever has no shifter parts for a clean, dedicated 1x setup - Compatible 11-speed MTB rear derailleurs include Shimano DynaSys and microSHIFT XCD/XLE
$64.99
- 20% lighter rear shifts - Consistently stable shifting - RD new shadow design with optimized slant design - New shift cable with new hyper low-friction coating technology - Longer lever body - Anti-slip on main lever - Thumb Operation - I-spec II - Model Number : SL-M8000-I - Series : DEORE XT - Shift Lever Type : RAPIDFIRE Plus - Rear speeds : 11-speed - Front Shifting : Front Shifter Available - Instant Release : Yes - Multi Release : Yes - 2-way Release : Yes - Optical Gear Display : NO - Shift Cable Casing : OT-SP41 - Shift Cable : New low friction shift cable
$55.00
It has the proven SRAM shifter technology and authoritative lever feel, but the EX1 shifter has been engineered to deliver one perfectly accurate shift at a time, alleviating double shifting and over shifting. Single precise gear changes increase battery life and help to decrease component wear. - X-ACTUATION for precise and dependable performance - Single shifts reduce over shifting and increase battery performance - Weight: 122 grams - Speeds: 1 x 8-speeds - Recommended Group: EX1
$77.99
The Box One multi shifter is the only shifter on the market that comes factory stock with a hinged (and machined) clamp. It's top of the line and comes packed with other features such as a durable cast aluminum pull lever and top shell. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).
$77.99
The Box One multi shifter is the only shifter on the market that comes factory stock with a hinged (and machined) clamp. It's top of the line and comes packed with other features such as a durable cast aluminum pull lever and top shell. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).
$915.00
Zipp's Vuka Shift AXS 90 is more than an aero extension; it's a complete shifting system. Think of it as a supremely efficient solution to house the brains of your SRAM RED or Force eTap AXS time trial or triathlon bike. The Vuka Shift AXS 90 cleanly houses your aerobar extensions, shift-control, and head unit in one neat and clean package. This approach solves an emerging problem of the age of electronic shifting. The time for system integration is now—with this seamless solution. The extensions themselves feature the pro-proven Vuka Evo shape with a 90mm rise. The Vuka Shift AXS 90 is compatible with more than 90 percent of the integrated aerobar systems currently on the market. - AXS Integrated Aerobar shifting system - Length is trimmable, 10mm at front and 90mm at rear - Integrated Garmin/Wahoo/Bryton computer mount - Ships with SRAM Clics extension-end shifters and Blips shifting buttons for brake-lever position shifting - More than an aero extension, this is an integrated shifting system for the modern triathlon/TT bike - Cleans up your aero cockpit for simplicity and optimized aero efficiency
$109.99
The Firebolt Switch Unit control with intuitive operation is ergonomically designed for a MTB. It’s the ultimate in comfort and reliability as you switch between modes while blasting through the trails. - The e-MTB Switch Unit (SW-E8000-L) is ergonomically designed for the specific demands of MTB riding such as riding through tight singletrack and bumpy terrain - Accurate, smooth shifting between power-assist modes regardless of weather or terrain conditions - Switch between Boost, Trail, Eco and Walk settings in a flash during the ride. Shifters incorporate the same design and shifting feel as XT Di2 TECHNICAL SPECIFICATIONS - Four support settings to choose from: Boost, Trail, Eco, Walk - Boost: Complete support for a max boost and expert climbing - choose between high, med, or low level of assist - Trail: Intuitively smooth gradated support through even the most demanding singletracks. Automatically adjusts its level of support based on pedal pressure. Choose between high, med, or low level of assist - Eco: Solid support for those long expeditions - Walk: Assists you when you need to get off the bike and walk it—simple to activate
$38.99
With quick lever access and a light and responsive lever action, Rapidfire Plus SLX shift lever delivers smooth control out on the trail. The new I-SPEC EV lever offers a wide range of adjustments including increased lever slide range. - Instantaneous push and pull movements - 20% quicker main lever access and -35% shifting operation force (vs SL-M7000-IR) - Adjust to the optimal position for any riding style or rider preference with clean cockpit - Rider tunable
$21.99
Shimano Tourney SL-RS45 shift lever delivers easy and reliable shifting for all riders. The Revoshift shifter allows riders to maintain a secure and stable grip on the handlebar by requiring just a twist of the thumb and index finger for shifting. - Twist shifter - Optical gear display - Includes SIS40 shift cable set - Stationary grips not included
$22.99
For reliable mountain bike shifting, Shimano's ALTUS SL-M2010 RAPIDFIRE shift lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke. - Slim main lever body - OPTISLICK for smooth shifting performance - MEGA 9 LITE close ratio gearing - Gear display positioned below the handlebar - Numbered gear display indicates gear position at a glance - Light shifting operation, wider compatibility, and suitable for internal cable routing - Streamlined cockpit experience
$114.99
For triathlon and time trial bikes, Shimano DURA-ACE SL-BS79 bar end shifters deliver precision shifting with a sleek, aerodynamic design. - The right-side/rear shifter is 10-Speed, index-only - Left-side/front is 2/3-Speed - Mount Type: Bar End, Downtube
$73.99
Centos Xpress+ shifters are jam-packed with bearings for slick shifting action. The bearings are bikes' best friends, and when they meet with shifters, the result is minimal loss in transferring force from your fingertip into shift cables. - Cold forged body for minimalistic design - 4 bearings for smooth shifting action - Include shift cables
$129.00
Three decades ago, SRAM was founded on a product called Grip Shift, and an idea that shifting a bike should be easier, better and more intuitive. It’s more advanced than the original, but the X01 Eagle Grip Shift follows in the same tradition of making shifting easier, better and more intuitive. The X01 Eagle Grip Shift system includes robust internals that make it more durable and its shifting performance more precise. But just like the original, it is total control in the palm of your hand.
$37.99 - $41.99
- Ergonomically Designed For Reduced Shifting Effort - Consistently Stable Shifting - Easy To Install, Compact Design And Slim Brake Lever For Lightweight - Simple, Adaptable Cockpit - 20% Lighter Rear Shifts - Includes cables and housing
$21.99
MicroSHIFT ADVENT Xpress shifters feature ergonomic levers and precise, durable indexing for reliable performance in a variety of situations. - Sealed bearings for extra light shifting, especially when paired with clutch derailleur - Ergonomic trigger placement - Aluminum bracket - Compatible with microSHIFT ADVENT only
$18.99
Marvo LT shifters are smooth, simple, and easy to use. Compatible with Shimano 9-speed mountain derailleurs. - Trigger style shifting action - Straight cable entrance and exit routing reduce setup frustration - Includes shift cables - Visible gear indicator - Compatible with Shimano 9-speed mountain system - Left shifter works for double or triple
$53.99
R9 Xpress shifters are smooth, simple, and easy to use. - Compatible with Shimano 9-speed road and mountain derailleurs - Straight cable entrance and exit routing reduce setup frustration - Include shift cables
$523.45
Campagnolo's Super Record EPS Ergopower Shifter Set provides maximum smoothness during shifting thanks to the Ergopower inner mechanism, the low-friction rear derailleur, and dedicated cables and - The Ultra-Shift mechanism enables upshifting up to three gears at a time, and downshifting a full five - Unidirectional carbon fiber finish is sleek and durable - Offers additional brake lever positions for small hands - The "one lever-one action" feature assigns each lever one function to prevent shifting errors - Braking lever pivot is aligned with the slant of the Ergopower control so that more braking power is transmitted to the braking lever - The braking lever's double curve design helps to provide crisp braking in any hazardous situation - Re-designed lever hoods offer a better feel Specifications: - Front Der/Shifter Compatibility: Campy Record/Super Record EPS - Brake Lever Actuation: Short Pull - Rear Der/Shifter Compatibility: Campy Record/Super Record EPS - Adjustable Reach: Yes - Drivetrain Speeds: 12 - Weight: 280g
$215.00
- Electronic Controller - AXS SRAM Rocker 2 Button - Eagle AXS
$158.00
Simplicity and performance made for all day adventures. The pure shifting performance of Eagle AXS is now available with GX. Shift under load, over the roughest terrain, uphill, without changing your grip on the bar. GX Eagle AXS changes your level of control on the bike when you're under pressure and pushing hard. More than that, it changes your relationship with the bike. No cable, housing or wires to manage opened up design and engineering possibilities with the GX Eagle AXS controller. Featuring the proven ergonomic touchpoints that make shifting effortless, they are customizable to your preferences, allowing you to choose which button does what through the AXS App. - AXS enabled componentry software makes it possible to both program and personalize compatible SRAM and RockShox components - Touchpoints are totally customizable to your preferences, allowing you to choose which button does what through the SRAM AXS App - Customize inboard and outboard shift options - Compatible with SRAM MatchMaker X - System is completely water- and dust-proof to IP69K - Pairs with all derailleurs in the SRAM Eagle AXS ecosystem
$23.99 - $27.99
- Drivetrain Speeds: 2x9 or 3x9 - Front Derailleur/Shifter Compatibility: Shimano Mountain - Shifter Style: Trigger - Includes shift cables and housing
$150.99
Shimano's SL-RS700 Flat Bar Road Shifter Set are perfect for anything from a jaunt around town or a post-work fitness ride. - Double or Triple: Double - Drivetrain Speeds: 11 - Front Der/Shifter Compatibility: Shimano Road - Rear Der/Shifter Compatibility: Shimano Road - Shifter Style: Thumb - Weight: 280 grams
$23.09
- Indexed replacement twist shifters for triple chainring drivetrains - Shimano-compatible (2 to 1 ratio) - Shimano Equivalent: SL-RS45 / SL-RS35
$21.00
The Shimano Tourney SL-RV400 shifter set has a comfortable ergonomic grip design and lighter shifting operation for riders with smaller hands. It's easy-to-read display and the satisfying "click" of SIS INDEX shifting helps newcomers track gear position. - Ergonomic grip design with light shifting operation - 25% lighter operation compared to the SL-RS35 - Optical gear position indicator allows riders to easily identify what gear they are in - Cable replacement is quick and easy - Dual-diameter shift collar allows any hand size to get a secure grip on the shift collar - Cable housing is sold separately
$65.99 - $139.99
Shimano's Tiagra Rapidfire Plus Shift Lever (2x10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: SL-4700 - Series: Tiagra - Shift Lever Type: Rapidfire Plus - Cassette Compatibility: 10-speed - Front Shifting: 2-speed - Shift Cable Casing: OT-SP41
$114.99
- Easy Operation And Accurate Shifting - Wide Comfort Lever With Position Adjust - Effortless Multi-Shift - Multi-Shift Speed, Shimano Synchronized Shift - Ergonomic Rotary Switch - Short Stroke Perfect Click (Single Click, Auto Multiple Shift Only) - Customization Of Operation - Suspension Control By Left Switch
$19.99
Nexus Revoshift 3-speed shifter with optical gear display.
$59.99
The Shimano Deore XT SL-M8100-IL shifters is designed for 2 x 12 drivetrain systems. - I-SPEC EV creates a clean and action-optimized cockpit with a wider adjustment range to suit riders of various styles, preferences, and body types - Ergonomic design, quicker lever access, and light operation enhance rider comfort and concentration - Shift both up and down with a single lever - Instantaneous push and pull movements
$76.00
SRAM's GX 2x10 trigger shifters feature an aluminum lever, resulting in minimal weight with maximum durability. Pair the GX 2x10 trigger shifters with the MatchMaker clamp (sold separately) to streamline your handlebar setup. The GX trigger shifters maintain the legacy of X0 shifting with features and technologies optimized for 2x10 and Exact Actuation. • Dedicated 2-speed and 10-speed trigger shifters • SRAM’s 2x10 exact Actuation for precise and dependable 10-speed performance • Multi-position mounting • MatchMaker X compatible • Aluminum pull lever
$35.99 - $42.99
Shimano Deore M6000 shifters feature 2-way release triggers that offer the ability to shift from various riding position. - Ergonomic lever shape and easy lever access - Dyna-Sys10-Speed compatible - Double or Triple: Double, Triple
$463.00
Award-winning eTap shift logic, now with the connectivity of AXS. The SRAM RED eTap shift-brake levers build on this foundation while integrating our newest technologies. And, it offers many personalizations, from shifting sequence to brake lever reach. - AXS enabled for easy personalization - Simple and intuitive eTap shift logic - Customizable fit with Reach Adjust - Two ports for Blips on each lever - Large SRAM eTap paddles provide positive controls for rider input - For use with mechanical rim brakes
$139.99
Shimano's Tiagra Raidfire Plus Shift Lever (3x10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with cascaded technology from the Dura Ace line. Model Number: SL-4703 Series: Tiagra Shift Lever Type: Rapidfire Plus Front Shifting: 3-speeds Shift Cable Casing:Tiagra
$169.99
- Model no.: SW-R9150 - Position: On road Bar - Firmware update by E-TUBE PROJECT - E-TUBE connector - Average weight: 12 grams - Length: 261mm
$37.99
- 10-speed - Rapidfire Plus - 2 way release - Quicker lever access and light operation - Shifts max. 3 gears at a time (Main lever) - OPTICAL GEAR DISPLAY for easy visible gear position - Clamp Band
$96.00 - $129.99
Built for E-MTB, the X01 Eagle Single Click shifter meets the new world of E-MTB with a control center worthy of the task. It's designed to help eliminate premature chain wear and chain breaking by limiting the pull lever to a single engagement. - E-MTB specific—limits the pull lever to a single engagement to help eliminate premature chain wear and chain breaking - Master X01 Eagle group colorway to match all cassette and chain colors as part of Eagle Colorsystem
$179.00
Created for the specific demands of E-MTB, the XX1 Eagle Single Click shifter is for the dream E-build. It's designed to help eliminate premature chain wear and chain breaking by limiting the pull lever to a single engagement. With no detail spared, the carbon trigger and trigger cover save weight while gliding on precise, near-frictionless sealed cartridge bearings—you simply cannot find a better shifter for E-MTB. - E-MTB specific—limits the pull lever to a single engagement to help eliminate premature chain wear and chain breaking - Carbon trigger and cover reduce weight - Master XX1 Eagle group colorway to match all cassette and chain colors as part of Eagle Colorsystem
$29.99
On the trail, the goal is to think about your shifting as little as possible. MicroSHIFT's Trail Trigger Pro features millimeter-perfect ergonomics to put the shift levers exactly where you want them, giving you quick thumb access without compromising your grip over rough terrain. Light lever action is paired with super positive indexing to make sure you never miss a shift. There's even an integrated silicone gripper on the lower lever to make sure thumb traction is fully optimized. - Compatible with microSHIFT ADVENT X 10-speed drivetrains only - Silicon gripper pad provides superior traction in all conditions - Internal cartridge bearings allow for light lever throw and positive actuation under load - Precise ergonomics put the shift lever where you want them
$102.99
Imagination is the only limitation to how much the microSHIFT thumbies can do. Their small, minimalistic designs are packed with precision machined mechanism that allows you to shift accurately with either index or friction mode. Go on any adventure without worrying about mechanical issues. - Includes shift cables - Indexed or friction mode-convertible rear shifter - Indexed mode is compatible with Shimano 10-speed mountain systems