Drivetrain

Experience the precise, positive feel of SRAM with their X7 Trigger Shifters. They're perfect for casual and serious riders alike thanks to their aluminum and composite construction that both reduces weight and boosts strength. And, the X7s feature SRAM's 1:1 actuation ratio for the ultimate in crisp shifting.

Shimano's Tiagra cassette offers crisp shifting and lightweight performance. Hyperglide sprockets incorporate computer-designed shift ramps and tooth profiles for improved shifting. This cassette comes in a range of sizes to suit your riding style and terrain.

Race Face aluminum chainring bolts for inner chainrings. Includes four 12.5mm bolts.

These are the correct connecting links for SRAM's PowerLink 8-speed chains. They are great for installing new chains and fixing chains on the road and trail, too.

Shimano Dura-Ace R9100 Cassette Spacers

- 3-spline steel cogs for use with Sturmey 3-speed (and 5-speed) internal gear rear hubs - Flat or dished for tuning chainline. Xylan coating for greater durability

Race Face Crank Arm Fixing Bolts - For EXI Cranks - Bolt Puller Cap Washer for self-extracting bolt

These are the correct connecting links for SRAM's PowerLink 9-speed chains. They are great for installing new chains and fixing chains on the road and trail, too.

Designed for use with T-Type chains, the Eagle Transmission PowerLock provides the same rugged dependability as its predecessors. - For use with T-Type chains - No tools required for installation

M8 Capless Crank Arm Bolt Kit - For square-taper & Powerspline

Dimension Steel Cogs are splined for BMX and singlespeed hub compatibility. - Steel with chrome finish - Cogs are splined for Shimano BMX and singlespeed hub compatibility - Compatible with 1/2-inch and 1/8-inch chains

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a 2:1 Shimano rear derailleur.

Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains.

SRAM's PC 830 Chain offers accurate shifting, excellent durability, and superior power transfer for 8-speed drivetrains.

Dimension American bottom bracket for one-piece cranks. - Include cups, bearings and cones - 24 tpi

CINCH Crank Bolt with Washer

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.

- Chainrings for SLX FC-M675 double cranks - Please refer to compatibility: 38T chainrings are available for 24T or 26T inner chainring and are not cross-compatible.

Mezzo front derailleurs offer durable construction and seamless compatibility with existing systems, making repairs and upgrades easy. - Aluminum bracket, plastic body - Includes 31.8mm clamp adapter

Genuine replacement parts Revive your ride with a new bottom bracket. Original equipment replacement bottom bracket for Trek Roscoe kids' bikes. - Unsealed system is fully serviceable - Includes spindle

Z6 is a basic, affordable replacement chain for use on 6 and 7 speed bikes. - Features inner plate chamfering to smooth shifting - Z-bridge shape - Links (links): 116 - Width: 7.3 mm - Drivetrain Speeds: 6 , 7 - Chain Connection Type: Reusable Master Link

The Z8.1 chain features inner plate chamfering and a z-bridge shape, making it suitable for a variety of riding styles. - Inner plate chamfering to smooth shifting - Z-bridge shape - Links (links): 116 - Width: 7.1 mm - Drivetrain Speeds: 6, 7, 8 - Chain Connection Type: Reusable Master Link

Dimension classic 4-hole cruiser chainwheel, with offset to allow chainline adjustment. - Classic 4-hole cruiser chainwheel - Offset ring allows chainline adjustment - Polished steel - Fits 1-piece crankarms - Requires 1/2-inch x 1/8-inch chains

Trail riding can be tough on your gear. The ends of your alloy cranks can take a lot of abuse as the trail rushes underneath you and your bike. Protect your cranks from any damage with Race Face crank boots - now made in a smaller version to fit most alloy MTB cranks. Made from a durable Race Face proprietary plastic blend, leave no doubt and go with the originator in crank end protection. Wrap it up and protect the tips. Compatible with: - Race Face - Turbine Cinch - Atlas Cinch - Atlas (24mm Spindle) - Turbine (24mm Spindle) - Aeffect Cinch (175mm length ONLY) - Most other popular alloy MTB cranks (except some alloy DH cranksets)

Trail riding can be tough on your gear. The ends of your Next SL G4 cranks can take a lot of abuse as the trail rushes underneath you and your bike. Protect your cranks from any damage with Race Face crank boots. Made from a durable Race Face proprietary plastic blend, leave no doubt and go with the originator in crank end protection. Wrap it up and protect the tips!

Compatible with DUAL SIS index shifting, the Shimano Tourney TY front derailleur is perfect for 3x7 and 3x6 speed drivetrains. - Action: TOP SWING - Angled clamp band design - Applicable Top-Mid tooth difference: 10T - Chain line: 47.5/50mm - Chain stay angle: 66-69 - Top gear teeth: 48T - Total capacity: 20T

- Material: Heat-treated 4130 Chromoly - Splines: 8 - Diameter: 19mm - Length: 5.7/8" (150mm) - Spindle Bolts: 8x1mm (Included) - Compatibility: Fits Stolen OEM/MOB/SIC Mission Transit, Rant 8-S, Sunday Saker and most other 19mm, 8 spline cranks

- 42-34-24t and 48-38-28t compatible, suitable for most Shimano 3x7/8sp drivetrains - Top swing with alloy base bracket/clamp - Dual pull design is convertible between top-pull and bottom-pull cable routing - Multi-clamp insert converts the 34.9mm clamp to fit 31.8mm and 28.6mm seat tubes - For standard 66-69 degree chainstay/seat tube angles - 143g

SRAM’s cranks are strong and tough, ready for any kind of ride. So it’s inevitable that pedal strikes and debris will chip away at the end of the crank. SRAM’s Carbon Crank Boot is an upgrade that combats the wear and tear that comes with hard riding. The boot protects the crank from surface damage and keeps the rider’s style perfectly intact. - For Descendant Carbon and non-Eagle XX1 and X01

64BCD chainring for MTB cranksets

Claris R2000 series 8-speed chainrings are a reliable option for long touring, town cruising, and daily commuting. - Direct replacement for R2000/R2030 cranks - Hyperglide technology ensures smooth and reliable shifting - Compatible with 4-arm crank design

- Replacement plate for M7000-GS rear derailleur - Choose Inner or Outer

TruVativ Crank Arm Fixing Bolts - Monocoque carbon crankset with hollow-arm design - FSA Mega Tooth chainring design greatly improves chain retention - FSA BB392 compatibility allows use in nearly any frame - Bottom bracket not included

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems - Long cage for double or triple cranksets and 32T max cassette cog - Includes frame hanger attachment for use with older frame designs

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems

MS-series twist shifters are quantity-tested, easy to use, and quick to setup. - Includes shift cable - Indexed left shifter works for double or triple

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

SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a SRAM or Shimano front derailleur. These shifters are indexed to shift three gears, and feature micro-adjustments for perfect front derailleur alignment.

- HG technology has chamfered inner plates to optimise shifting performance on HG sprockets - Durability is assured through the heat treatment of rollers, pins, and plates - Includes connecting link - Weight: 335 grams

FSA ATB chainrings deliver flawless shifting for any mountain drivetrain. Available in alloy and steel options.

Heavy duty 3/16" single speed chain great for hardcore street rippers who need the strongest chain possible. - Extra-wide, for non-derailleur bikes: BMX, cruisers and tricycles - Compatible with 1/8" x 1/2" single speed set-ups but oversized for extra strength and durabilityLinks (links): 98 - Width: 13.1 mm - Drivetrain Speeds: Single Speed 1/2" x 3/16" - Chain Connection Type: Reusable Master Link - Half Link Chain: No - Weight: 800g

The KMC S1 is a single-speed chain suitable for use with internally geared hubs, or any single speed drivetrain. - High pin power with reinforced durability - Offers a quieter riding experience - Anti-drop design - Inner plate chamfering helps to provide fast and smooth shifting - Internal gear hub system compatible - Links (links): 112 - Color: Silver - Width: 9.3mm - Drivetrain Speeds: Single Speed 1/2 x 1/8-inch - Half Link Chain: No

Z7 is a basic, affordable replacement chain for use on 6 and 7 speed bikes. - Features inner plate chamfering to smooth shifting - Z-bridge shape

The Z8 chain features inner plate chamfering and a z-bridge shape, making it suitable for a variety of riding styles. - Inner plate chamfering to smooth shifting - Z-bridge shape - Designed for use with internally geared hubs - Compatible with Shimano, SRAM, and Campagnolo drivetrains - Suitable for MTB, road, and comfort riding - 1/2 x 3/32"

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 a handful of gears at once.

Super hardened steel designed for high torque Singlespeed and BMX use.

Solid pins, inner and outer plates make for an economical chain choice with all the performance of higher level X-Series chains. - Includes KMC Missing Link I - Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting - Mushroom riveted pins for the highest pin power and allows shifting under heavy loads - Stretch Proof heat treatment so the chain last longer and goes farther - Half nickle plated - 1/2" x 3/32" - Weight: 286 gr

M-series rear derailleurs are designed to work with 7, 8, and 9-speed Shimano-compatible mountain and road shifters. These legendary M26 rear derailleurs put cyclists of all ages back on their saddles with as little frustration as possible. - Robust composite and steel construction - Compatible with Shimano 7, 8, and 9-speed mountain and road systems

Enjoy quality and reliability with the Shimano Tourney 6/7-speed rear derailleur. It makes use of Shimano SIS, HyperGlide, and Double Servo technologies for smooth, accurate shifts. - Maximum cog size: 34t - Total capacity: 43t

Enjoy quality and reliability with the Shimano Tourney 6/7-speed rear derailleur. It makes use of Shimano SIS, HyperGlide, and Double Servo technologies for smooth, accurate shifts. - Maximum cog size: 34t - Total capacity: 43t

- Compatible with 6 and 7-speed SIS Index Shifting drivetrains - Includes BMX/track frame hanger

Shifting performance has helped Full Speed Ahead to become a world leader for high-end chainrings. No one studies the design and manufacturing of each system, and each tooth, as carefully as we do. Our dedication shows in every revolution of the crank, and every perfect shift achieved. To meet or exceed the needs of any drivetrain, Full Speed Ahead has developed sophisticated design, testing and manufacturing protocols. This allows Full Speed Ahead to match your needs as perfectly as our chainrings match a chain. We offer more options, levels, and finishes than our competitors. We use the best materials available, imported from the USA, Europe, or sourced from our qualified vendors in Asia, to guarantee the durability, performance, and appearance will out-perform, and outlast the competition. Full Speed Ahead chainrings have powered multiple World, Tour de France, and Olympic champions, and will exceed your expectations. True value and performance are found in this FSA road chainring. It offers both long wear life and smooth shifting. - Stamped AL7075/T6 - N11 chainrings are compatible with all 10 speed drivetrains, and compatible with FSA, SRAM and Shimano 11-speed drivetrains - Ramped and pinned for excellent shifting - FSA 110 BCD - 4-Bolt - Material: Aluminum - Ring Position/Type: Inner

SRAM's PC-850 Chain makes a trusty partner over hill and dale. It's easy to install, too, thanks to the no-tools-needed PowerLink. Quiet, smooth, reliable and very affordable, the PC-850 is a fine value.

SRAM's PC-1 Single Speed Nickel Chain is designed for singlespeed bicycles so it won't jump off when you're laying down the power. It comes with a connector link for easy installation and removal.

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

Enjoy quality and reliability with the Shimano Tourney 6/7-speed rear derailleur. It makes use of Shimano SIS, HyperGlide, and Double Servo technologies for smooth, accurate shifts. - Wheel-type cable guide - Maximum cog size: 34t - Total capacity: 43t

Shimano's Tourney long cage rear derailleur incorporates advanced Shimano functions and styling that sets the standard for entry level components. - TY model comes with resin bracket and plate body for reduced weight - Zinc-plated adjustment screws for corrosion resistance - MegaRange compatible - Includes frame hanger - Maximum cog size: 34t - Total capacity: 43t