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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 (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 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 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
$23.45
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.
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 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.
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 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.
Kryptonite Kryptoflex 1018 Combo Cable
$23.45
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.
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.
Serfas Box Lock w/Bracket
$60.00
Steel Plated Key Lock - Hardened Steel Plates - Stainless Steel Rivets - Vinyl Coated - Includes Bike Mount With Quick Release Lock Holder - Lock Length: 2.5 Feet - Plate Link Thickness: 5.5mm - Weight: 554 Grams - Key Type: Internal Cut
ABUS Clutching Straps LH Adaptor
$8.99
These adapters are for mounting rear wheel locks to the bike frame.
ABUS Bordo Granit XPlus 6500 without Bracket
$179.99
Maximum strength for maximum security: the BORDO GRANIT XPlus 6500 Folding Lock is the top-of-the-range model in the best-selling BORDO family, offering an excellent level of security. The BORDO GRANIT XPlus 6500 Folding Lock is quite literally a tough nut for bike thieves to crack since it incorporates 5.5 mm bars manufactured from specially hardened steel and connected with special rivets, which offer protection against even the most determined of attacks. The ABUS Link Protection Shield ensures that these rivets are not only flexible but also extremely resistant to attacks involving sawing. - Extra-soft two-component casing to prevent damage to the bike's paint - Color-coordinated soft-touch silicone cover for the lock body - ABUS Link Protection Shield for a high level of protection against hinge sawing - The bars, the body and the load-bearing parts of the locking mechanism are manufactured from specially hardened steel - ABUS XPlus cylinder for extremely high protection against manipulation, e.g. picking - Ideal for securing high-value bicycles - Tool-free attachment using either a practical clamping bracket or non-slip Velcro straps
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
Evo Lockdown Mini
$23.99
- Doubledown double bolt security - 14mm hardened steel shackle - Mounting bracket included - 2 keys included
Evo LockUp Coil
$11.99
- 10mm coated steel cable - Think vinyl cable coating paint protection - 2 looped ends
Evo LockUp Combo
$15.99 - $17.99
- Medium-duty steel ball lock - Paint protecting thick vinyl coating - Resettable Combination - Mounting bracket included
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 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 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.
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 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
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.
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.
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.
Sunlite Coiled Cable
$8.99
• 8mm x 6ft • Vinyl coated (Water resistant) • Double ended • Heavy duty security cable
Blackburn Angola Cable Lock
$29.99
- Kevlar® layer increases cut-resistance 50% over steel cable alone - 6’ (185cm) x 12mm braided steel cable - 4-digit resettable combination - 10,000 possible lock combinations OR 3 laser-cut keys with key replacement program - Security Rating: 7
Kryptonite KryptoLok 685 Fold
$89.95
- 5mm hardened steel links for moderate security lockups - Includes easy-to-install transport bracket - Includes 2 keys - Key Safe Program - Product dimensions: Length 85cm - Product weight: 2.35 lbs
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"
Sunlite Key Lock & cable
$11.99
• 8mm x 6ft • Coated cable • Heavy duty laminated key lock
Sunlite Standard U-Lock (Long)
$17.99
• Hardened shackle • Weatherproof nylon coating • Flat tumbler lock w/ 3 keys • Bracket included • 4" x 11"
ABUS 1200 Combo Chain Web Lock
$14.99 - $19.99
Protect your stuff or it's gone. We don't care how nice the neighborhood looks. Use the ABUS 1200 Combo Lock. It's 3.5-feet long and resists prying and cutting for maximum protection wherever you park. This serious chain is wrapped in a durable cover to keep your bike's finish safe and the combination can easily be set to any number you want. Hint: don't use 1234.
ABUS 1500 Chain Web Lock
$14.99 - $19.99
Use the ABUS 1500 Lock and protect your stuff. It's 2-feet long and resists prying and cutting for security wherever you park. This serious 4mm-thick chain is wrapped in a durable cover to keep your bike's finish safe and it comes with two keys.
ABUS uGrip 585 Chain Lock (Standard)
$39.99
ABUS's uGrip 585 Chain Lock features a 5mm hardened steel chain with a durable cover to protect your bicycle's finish. And, it comes with two keys for added convenience.
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.
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
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 New York Noose (w/Evolution Series 4 Disc Lock) (2.25 feet)
$104.95
Kryptonite's New York Noose is a 12mm, six-sided link chain made of triple heat-treated, manganese steel giving it maximum strength. The chain includes a special larger cinch ring design for maximum usable length, lighter weight and less bulk than full length chains. It secures with Kryptonite's Evolution Series 4 Disc Lock that boasts a 14mm hardened steel shackle for top-notch security. Three keys are also included, with one featuring a high-intensity LED bulb for convenient, easy unlocking in the dark. This New York Noose has an anti-theft protection offer of $3,500.
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
ABUS Steel-O-Flex Microflex 6615K
$29.99 - $34.99
The lightest in the Steel-O-Flex family, the Microflex features 15mm overlapping steel shells that protect the inner steel cable. This lock is best suited to low theft-risk areas and is best used as a versatile theft deterrent and for quick stops. The ABUS snap closure makes locking a breeze–no key needed to close the lock! Just snap it shut and off you go. Nobody likes complicated installation and the 6615K takes it to the absolute next level of easy with its innovative SCMU bracket. It can be mounted to the bike without the use of tools in just seconds–saving you valuable time and effort. It rotates to allow the bracket to be mounted in multiple directions and easily accommodates a wide variety of frame shapes and sizes. The lock is PVC-coated with an attractive matte finish that protects your frame's paint and the automatic key cylinder offers solid drill protection. - 15mm overlapping steel shells protect the inner steel cable - PVC coating protects the frame - Two keys provided with lock - Automatic key cylinder makes locking even easier! - Innovative SCMU bracket makes mounting and transport a snap!
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.
ABUS Steel-O-Chain 5805K
$29.99 - $34.99
ABUS quality locking cylinder (hardened steel) with an automatic cylinder and reversible key. - Hardened 5mm square chain with a durable black textile sleeve that protects the bike's paint from scratches - Easily transported under the seat, wrapped compactly around the seat post
Kryptonite Keeper 665 Key Cable
$7.95
- 2 keys included - 6mm thick cable - 65cm in length
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 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"
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 Quick-Lock Key/Cable Lock
$7.59 - $8.99
- Self-coiling cable - Pick Pull and Drill resistant cylinder - Vinyl coated to protect surfaces - 2 laser cut keys - Length: 5 feet
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