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Locks/Security

It's your bike, keep it that way. From basic locks to more advanced u-lock protection, Trek locks provide peace of mind, thanks to rugged construction and durable materials.

ABUS Ultra 410 U-Lock (9-inch) + Cobra Cable
$49.99
Featuring a simple, strong, and aggressive design, ABUS' Ultra 410 is the ideal entry-level U-lock. It's simple design conceals a number of high-tech advancements in security. The addition of the Cobra Cable adds security and versatility. The 12mm double-bolting, temper-hardened steel shackle extends all the way through the lock body, providing excellent protection against cutting and torsion attacks in a simple yet innovative design. • Innovative soft-touch housing cover prevents damage to paint • Pass-through shackle provides anti-twist protection • Easy-to-mount SH 34 bracket mounts easily to frames with a 24-35mm diameter • Double-layered cylinder with special wafers and additional decoy cuttings protects against picking • Mechanism Type: Key • Diameter: 12 mm • Shackle Shape: Round • Shackle Height: 230 mm • Shackle Width Inner: 11.8 cm • 2 keys are supplied with the lock
Kryptonite KryptoLok Combo U-Lock
$51.95
The KryptoLok Combo U-lock is like a tough nut: you just can't crack it. Thanks to the 13mm hardened Performance steel shackle that resists cutting and leverage attacks, you get peace of mind while you run into the grocery store or lock up outside the coffee shop. A built-in four-digit resettable combination gives you easy unlocking and locking capabilities--no keys necessary! You can also take advantage of the Transit Flex Frame bracket for plenty of convenient mounting options. The KryptoLok Combo is 4 x 8-inches and has an anti-theft protection offer of $1,250.
Kryptonite New-U New York Lock Standard
$107.95
The New U, the U-Lock redesign from Kryptonite, features expanded double-deadbolt security, anti-rotation capability, and a fresh new design, all making life quite a bit harder for the bike thieves of the world. The New York Lock Standard is the perfect choice for bike security in major metropolitan areas and college campuses. Specifications and Features: - Security rating: 9/10 - 16mm hardened MAX-PERFORMANCE STEEL SHACKLE - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist and cut attacks - HIGHEST SECURITY DISC-STYLE CYLINDER is pick and drill resistant - Sliding dustcover to PROTECT FROM DIRT AND DEBRIS - 3 STAINLESS STEEL KEYS - including new design and one LED REPLACEABLE KEY FOB - Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport - Key Safe Program - Protective vinyl coating - Product dimensions: 4” x 8” (10.2cm x 20.3cm) - Product weight: 4.45 lbs (2.02 kgs)
Kryptonite Evolution Series 4 1016 Integrated Chain
$115.95
Kryptonite's Evolution Series 4 1016 Integrated Chain is a 10mm-thick, six-sided link chain made of triple-heat-treated, boron-manganese steel for maximum strength. At over five feet long, the Evolution gives you plenty of chain to lock up multiple bikes. It uses an integrated high-security cylinder that is pick, drill, and cut resistant. The links are covered with a weather-resistant nylon sleeve that protects your bike's finish. Three keys are included, including one that has a high-intensity LED bulb for convenient, easy unlocking in the dark. This chain has an anti-theft protection offer of $2,250, too.
Kryptonite New York Fahgettaboudit (5 feet)
$190.95
Big cities call for big protection, and Kryptonite's New York Fahgettaboudit delivers with 14mm six-sided chain links made from hardened manganese steel. Wrap this burly lock around your frame worry-free thanks to the durable nylon cover that protects your bike's paint from scratches, and leave with peace of mind knowing the 15mm hardened Max-Performance steel shackle is on duty. With a double deadbolt design to protect against twist attacks, would-be thieves with an eye on your bike can fahgettaboudit because you're the only one with access to your bike with three stainless steel keys--one of which is lighted for night access!
Kryptonite New York Fahgettaboudit (3.25 feet)
$151.95
Kryptonite's New York Fahgettaboudit is a 14mm, six-sided link chain made of triple heat-treated, boron manganese steel giving it extreme strength. The chain is covered with a durable nylon covering that protects your bike against scratches. This 3.25-foot chain secures with Kryptonite's New York Disc Lock that boasts a 15mm steel shackle for serious security. Plus, three keys are included, with one that has a high intensity LED bulb for convenient, easy unlocking in the dark. This New York Chain has an anti-theft protection offer of $3,750, too.
Kryptonite Kryptoflex 1004 Double Loop Cable
$10.95
The KryptoFlex 1004 Double Loop Cable is a 3/8-inch braided steel cable providing increased cut resistance. The double loops are for use with U-locks, disc locks and padlocks. The vinyl coating protects bikes and equipment from scratches. It includes the Hook-n-Loop strap for easy carrying. The KryptoFlex 1004 Looped Cable is 3/8-inch x 4-feet.
Kryptonite New York Chain (w/Evolution Series 4 Disc Lock) (3.25 feet)
$112.95
Big cities call for big protection, and Kryptonite's New York Chain delivers with 12mm six-sided chain links made from hardened manganese steel. Wrap this burly lock around your frame worry-free thanks to the durable nylon cover that protects your bike's paint from scratches. Leave with peace of mind knowing the 14mm hardened Max-Performance steel shackle mated to the Evolution Series 4 Disc Lock is on duty. With a double deadbolt design to protect against twist attacks, would-be thieves don't stand a chance. It comes with three stainless steel keys--one of which is lighted for night access!
Kryptonite Kryptoflex 1018 Key Cable
$23.95
The KryptoFlex 1018 Key Cable is a 3/8-inch braided steel cable to be used in low-crime areas or as a secondary security measure. An advanced cylinder provides protection from picking and a sliding weather guard protects the cylinder from dirt, water and road grime. Plus, the lock head rotates so lock-up and removal are a snap. The KryptoFlex 1018 Key Cable is 3/8-inch x 6-feet.
Kryptonite Keeper 785 Integrated Chain
$39.95
Kryptonite's Keeper 785 Integrated Chain features a 7mm-thick, four-sided link chain perfect for use in low- to moderate-risk locations. The triple heat-treated manganese steel chain has a durable nylon cover to protect your bike from scratches. Plus, it uses an integrated hardened deadbolt that is pick and drill resistant, and it thwarts most leverage attacks as well.
Kryptonite Keeper 12 STD U-Lock
$29.95
Kryptonite's Keeper 12 U-Lock is like a tough nut: you just can't crack it. Thanks to the 12mm hardened steel shackle that resists cutting and leverage attacks, you get peace of mind while you run into the grocery store or lock up outside the coffee shop. The shackle connects to the disc-style cylinder for exceptional security, and it all sits in the click-style transportation bracket so it stays stable during transport. To top it all off, you get a reinforced collar over the keyway for added protection, not to mention Kryptonite's $500 Anti-Theft Protection offer.
Serfas Latte Combo Lock
$10.00
Fits perfectly in your jersey or backpack and is ideal for, “just running in for a minute,” or to keep honest people honest. Great for jogging strollers & bike trailers too! Features: - 4-Digit Combination Lock - Vinyl-Coated Cable - Self-Coiling Specs: - Cable Length: 5 Feet - Weight: 130 Grams
Kryptonite Transit FlexFrame U-Bracket
$16.50
Kryptonite's Transit FlexFrame U-Bracket makes it easy to carry your U-lock on your bike so it's always handy. This simple mount fits on frame tubes from 25 to 80mm in diameter and it accepts most 13 and 16mm-diameter round-shackle U-locks. Plus, the clamp rotates so you can perfectly align the lock with your bike to keep it tucked out of the way.
ABUS uGrip Bordo 5700
$79.99
The innovative uGrip Bordo 5700 folding lock from ABUS is secure, slim and handy! This folding lock uses 5mm-thick steel bars to secure your bike to any convenient post or bike rack, and features special rivets to ward off twisting attacks. The soft silicone coating won't scratch your frame and comes in an array of fun colors. An ABUS Premium lock cylinder resists tampering and picking so you can park your bike with confidence.
Kryptonite Kryptoflex 1018 Combo Cable
$23.95
The KryptoFlex 1018 Combo Cable is a 3/8-inch braided steel cable to be used in low-crime areas or as a secondary security measure. The integrated, four-digit resettable combination lock has indexed number dials to provide error-free combination setting. The KryptoFlex 1018 Combo Cable is 3/8-inch x 6-feet.
ABUS Ultimate 420 U-lock (Standard)
$64.99
ABUS's U-locks offer strength, durability and protection you can count on. Their Ultimate 420 U-Lock boasts a hardened steel shackle and a hardened lock body to keep your bike safe and sound. Plus, its reversible key is easy to use, and you can carry the Ultimate on your bike with the included mounting bracket. The protective cover over the lock barrel keeps dust and dirt out of the key mechanism.
Kryptonite Kryptoflex 1218 Key Cable
$27.95
The KryptoFlex 1218 Key Cable is a 12mm braided steel cable to be used in low-crime areas or as a secondary security measure. An advanced cylinder provides protection from picking and a sliding weather guard protects the cylinder from dirt, water and road grime. Everything stays in place while you ride thanks to the Transit Flex Frame Bracket, a tool-free, adjustable system that gives you plenty of mounting options.
OnGuard Terrier (7 feet)
$16.95
OnGuard's Terrier is a compact, lightweight cable lock perfect for low-risk areas. It features a resettable 4-digit lock, so you don't have to worry about forgotten keys. The raised dials are easy to use with gloves, a Velcro strap keeps the lock neat so it fits in a pocket, and the vinyl coating protects finishes. Lock up your bike during quick coffee runs or secure your snowboard to the rack—you'll find a million uses for this versatile little lock!
Serfas CL-501 Combo Cable Lock
$25.00
Serfas' Combo Cable Lock offers convenient protection. The 12mm-diameter cable reaches over 6-feet and self coils for easy storage. A 4-digit customizable combination lock, surrounded by molded rubber, ensures your bike stays put. And, a vinyl coating protects your bike's finish so it looks just as good when you return to ride it.
Kryptonite Kryptoflex 1230 Combo Cable
$34.95
The KryptoFlex 1230 Combo Cable is a 12mm braided steel cable to be used in low-crime areas or as a secondary security measure. With an integrated, four-digit resettable combination lock that features indexed number dials to provide error-free combination setting, lock up and release are a snap. During transit, the Hook-n-Loop strap supports the cable while the Transit Flex Frame Bracket provides plenty of tool-free mounting options.
OnGuard Doberman Combo (185cm x 15mm/6 feet x 0.59 inch)
$34.95
With OnGuard's Doberman Combo lock, all you need is your bike, the lock, and a number you can remember. This combination lock uses four numbers and can be reset any time. It's made from a strong steel cable covered with tough vinyl to protect both itself and your bike. The Doberman Combo is also self-coiling for easy transport.
ABUS Cobra Cable
$14.99 - $19.99
ABUS' Cobra Cable is made of strong, flexible, 10mm-thick steel to keep your bike safe, while its soft, durable coating protects your bike's finish. Plus, its looped ends make attaching your favorite lock (sold separately) a snap.
ABUS Ultra 410 Mini LS U-Lock (7-inch) + Cobra Cable
$44.99
Featuring a simple, strong, and aggressive design, ABUS' Ultra 410 is the ideal entry-level U-lock. It's simple design conceals a number of high-tech advancements in security. The 12mm double-bolting, temper-hardened steel shackle extends all the way through the lock body, providing excellent protection against cutting and torsion attacks in a simple yet innovative design. The addition of the Cobra Cable adds security and versatility. • Innovative soft-touch housing cover prevents damage to paint • Pass-through shackle provides anti-twist protection • Easy-to-mount SH 34 bracket mounts easily to frames with a 24-35mm diameter • Double-layered cylinder with special wafers and additional decoy cuttings protects against picking • Mechanism Type: Key • Diameter: 12 mm • Shackle Shape: Round • Shackle Height: 180 mm • Shackle Width Inner: 10 cm • 2 keys are supplied with the lock
Kryptonite Keeper Fold 695
$56.95
- Flexible hardened steel with 360-degree link rotation - Compact, easy-to-transport on bike using included carrier - High-quality neoprene cover protects the bike - 6mm hardened steel chain links - 95cm long - Includes two wafer style keys - Key Safe Program
Sunlite Defender D3 Key/Cable Lock
$13.99 - $15.99
- High security locking mechanism - Heavy duty self coiling cable - Pick, pull, and drill resistant cylinder with dust cover - Quick release mounting bracket - Vinyl coated to protect surfaces - Includes 2 laser cut keys
Sunlite Defender U Long
$27.99
- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x11.5"
Sunlite Defender D1 Combo Lock
$16.99 - $18.89
- Middleweight cable lock with scratch-free outer casing - Includes bracket with quick release for ease of transport - Resettable combination - Length: 6'/183cm
ABUS Star Combo Coil 4508c
$19.99
- Good protection at low theft risk - Recommended for securing entry level and children bicycles - 8mm strong, high quality and flexible steel cable - Synthetic coating to prevent damage to the bicycle's paintwork - Dark-touch-function facilitates use in the dark thanks to special imprinting - Two component moulded digits guarantee life-long visibility - Individually settable code - Snap Cage bracket (SCMU) for universal code
Kryptonite Keeper 665 Combo Cables
$7.95
- 3-Digit Non-Resettable Combination - 6mm thick cable - 65cm in length - Combo Safe Program
Sunlite Defender D3 Coil Cable
$9.99
- Multi-purpose looped ends - Extra flexible steel cable - Self coiling - Vinyl coated to protect surfaces - Length: 6 feet
Sunlite Defender U Medium
$23.99
- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Mounting bracket included - 2 laser cut keys - Length: 3.5x7"
Serfas KL-15 Key Cable Lock
$26.00
Serfas' Key Cable Lock offers strong protection. The 15mm-diameter cable reaches 6-feet and self coils for easy storage. A key combination lock, surrounded by molded rubber, ensures your bike stays put. And, a vinyl coating protects your bike's finish so it looks just as good when you return to ride it.
Sunlite Straight Cable
$8.99 - $10.99
Lock up more than just the frame, use Sunlite's Straight Cable to lock up your wheels, too. Large loops on both ends make it easily compatible with most locks. Weatherproof protective coating on the cable ensures it will stay strong for years.
OnGuard PitBull Mini
$49.95
OnGuard's PitBull Mini is a sturdy U-lock that defends your bicycle with 1/2-inch hardened steel and OnGuard's X4 quattro-bolt lock. And thanks to the included mounting bracket the PitBull will be along for every ride. This lock also comes with five keys, including OnGuard's Microlight key which has a built-in light.
OnGuard Doberman Key (185cm x 10mm/6 feet x 0.39 inch)
$22.95
OnGuard's Doberman is a strong self-coiling steel cable secured with OnGuard's stout X2 double-bolt lock which resists picking, drilling, and cutting. The cable has a tough vinyl cover which protects your bike. For convenience, the Doberman comes with a mounting bracket so you can carry the lock on your bike. And you get five keys, including OnGuard's Microlight key which has a built-in light.
Sunlite Integrated Key Cable
$11.99 - $13.99
• Heavy duty cable w/ tough coating • Integrated key lock • Bracket included • Length: 6 feet
ABUS Bordo Centium 6010/90
$149.99
- Good protection at medium theft risk - Recommended for securing good bicycles - 5mm steel bars with synthetic coating to prevent damage to the bicycle's paintwork - Link construction allows compact folding - Stainless steel case with manual cover for the keyhole against dirt and corrosion - The bars, the links, as well as supporting elements of the locking system are made of special hardened steel - Bars are linked with special rivets - ABUS Plus cylinder for high protection against manipulations, e.g. picking - Two keys are supplied with the lock - Easy transport thanks to practical holder - Flexible mounting with non-slip Velcro straps - Mounting on nearly every part of the frame possible, the lock can be easily removed sideways
ABUS NutFix Solid Axle Wheel Locks
$34.99
Don't come back to your locked bike only to find a sad frame missing its wheels and saddle. ABUS's NutFix system protects wheels and seat posts against theft using a physical trick. Thieves don't know the trick, but you do, so you can open them with a standard wrench. Solid axle nuts sold in pairs.
Kryptonite Kryptoflex 818 Cable and Key Padlock
$14.45
The KryptoFlex 818 Cable and Padlock is an 8mm braided steel cable providing increased cut resistance. The double loops on the ends easily lock with the included key padlock, while the vinyl coating protects bikes and equipment from scratches. The KryptoFlex 818 Cable & Padlock is 8mm x 6-feet.
OnGuard Bulldog Mini
$32.95
OnGuard's Bulldog Mini is always ready for a ride. This small U-lock is as strong as larger locks, yet much more compact. The 13mm-thick hardened steel and OnGuard's stout X2 double-bolt lock resist cutting, picking, pulling, bumping, and drilling. And you can carry it on your bike with the included bracket, or easily stow it in a pack, or even your pocket. This mighty mini also comes with five keys, including OnGuard's Microlight key which has a built-in light.
OnGuard Doberman Combo (185cm x 12mm/6 feet x 0.47 inch)
$24.95
With OnGuard's Doberman Combo lock, all you need is your bike, the lock, and a number you can remember. This combination lock uses four numbers and can be reset any time. It's made from a strong steel cable covered with tough vinyl to protect both itself and your bike. The Doberman Combo is also self-coiling for easy transport.
OnGuard Bulldog STD
$34.95
OnGuard's Bulldog STD boasts a 11mm-thick hardened-steel shackle and OnGuard's stout X2 double-bolt lock that resists drilling, picking, bumping, and pulling for serious protection. And thanks to the included mounting bracket you can bring the Bulldog along for every ride. This great U-lock also comes with five keys, including OnGuard's Microlight key which has a built-in light.
OnGuard Rottweiler (100cm x 20mm/3.2 feet x 0.78 inch)
$39.95
OnGuard's Rottweiler locks provide years of unwavering protection. This lock comes in several different cable widths, offering various levels of security. All are easy to use and tough. Plus, they all boast OnGuard's reliable, safe X2 double-bolt locking mechanism that resists drilling, picking, pulling, and bumping. It comes with five laser-cut keys, including OnGuard's Microlight key with a built-in light.
ABUS Granit Plus 470 U-Lock (9-inch)
$99.99
ABUS' U-locks offer strength, durability and protection you can count on. The Granit Plus 470 U-Lock boasts a burly 12-mm thick hardened steel shackle and a seriously tough double bolted lock body to keep your bike safe and sound. Its quality ABUS Plus lock cylinder is highly tamper resistant and it's a snap to carry the Granit Plus 470 on your bike with the included bracket. This lock includes two keys, one with an LED light, and an automatic keyhole cover to protect the lock against dirt and corrosion.
Sunlite Standard U-Lock w/Bracket
$17.99
• Hardened shackle • Weatherproof nylon coating • Flat tumbler lock w/ 3 keys • Bracket included • 4" x 7.75"
Serfas Mini Chain Combo Lock
$15.00
• 3mm-thick chain links • 4 digit combination lock • Nylon casing around chain • Lightweight at 308 grams • Chain length: 3 feet
Serfas ULC-165 Combination U-Lock
$35.00
• Unique combination U-lock • 4-digit resettable combination • 12mm-thick hardened steel shackle • 165mm shackle length • Rubber coated shackle
OnGuard Chain Lock Key Version
$49.95 - $99.95
- Titanium-reinforced hardened square link chain mated to an integrated X2P Dual Lock Down head - Featuring new double rubber cover for better protection against bumps and hits.
Kryptonite Keeper 665 Key Cable
$7.95
- 2 keys included - 6mm thick cable - 65cm in length
Serfas UL-290C U-Lock w/ Cable
$40.00
When security is your priority, the Serfas U-Lock has you covered. Its hardened steel and double dead bolt construction will keep your bike safe and secure, while a durable rubber coating protects your finish. The additional 4-foot coiling cable provides extra locking options. Plus it includes a mounting bracket so you'll never leave home without it.
Sunlite Key Lock & cable
$11.99
• 8mm x 6ft • Coated cable • Heavy duty laminated key lock
Kryptonite Keeper 465 Key Chains
$10.95 - $11.95
- 2 keys included - 4mm thick chain links - 65cm in length
Sunlite Coiled Cable
$8.99
• 8mm x 6ft • Vinyl coated (Water resistant) • Double ended • Heavy duty security cable
Sunlite Standard U-Lock (Long)
$17.99
• Hardened shackle • Weatherproof nylon coating • Flat tumbler lock w/ 3 keys • Bracket included • 4" x 11"
Evo LockUp Coil
$11.99
- 10mm coated steel cable - Think vinyl cable coating paint protection - 2 looped ends
MSW KLK-100 Keyed Cable Lock
$14.99 - $24.99
MSW Keyed Cable Locks are easy to carry along on your rides, providing basic security for lower risk situations. They're plastic coated to protect your bicycle and available in a variety of cable diameters. - Two keyed-alike keys included - Plastic coated to prevent damage to bike - Pre-coiled for easy storage and transportation - Sliding protective cover over key entry - KLK-108: 8mm thick, 5' long - KLK-110: 10mm thick, 6' long - KLK-112: 12mm thick, 6' long with mounting bracket
Evo Lockdown Chain
$17.99
- Heavy-duty smooth steel ball lock - Durable nylon sheath - 2 keys included - Tough 6mm thick heat-treated steel links - Length: 75cm / 29.5-inches
ABUS Clutching Straps LH Adaptor
$8.99
These adapters are for mounting rear wheel locks to the bike frame.
Evo Lockdown Mini
$23.99
- Doubledown double bolt security - 14mm hardened steel shackle - Mounting bracket included - 2 keys included
Evo LockUp Combo
$15.99 - $16.99
- Medium-duty steel ball lock - Paint protecting thick vinyl coating - Resettable Combination - Mounting bracket included
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