Drivetrain Parts

- One-piece bottom bracket cup set - Bearings included - Fits smaller american juvenile/youth sized BB - Shell: 65mm - Cup Material: Steel - Weight: 173 grams

- 6-speed freewheel - 14 – 28T

• Square taper interface • Only includes left crank • 175mm length

- One-piece bottom bracket cup set - Bearings included - Shell: 68mm - Spindle Type: OPC - Cup Material: Steel - Weight: 265 grams

- Steel body - Steel cups - Chromoly spindle - Sealed bearings - Interface: English - Square Taper JIS - Weight: 305-320 grams

• Square taper interface • Only includes left crank

- Forged steel - 24 TPI

8-speed SIS compatible freewheel

- 7-speed SIS compatible Freewheel

- Horizontal square interface - Only includes left crank

- Steel chainring with forged alloy crank arms and double chainguard - Compatible with 3/32" chains - 45mm chainline - Spindle Type: 118 SQR JIS

- 8-speed Road crankset - Square taper interface - Does not include BB - Bolt pattern: 110 x 5-bolt - Crank length: 170mm

The SunRace MZ 12-Speed Cassette offers a wide ratio design. - Shimano compatible 12-speed cassette

The SunRace MX 11-Speed Cassette is a wide-ratio cassette designed for XD driver bodies. - Largest sprocket crafted from A7075 aluminum - Black chrome finish - 460% range - Cassette Body Type: SRAM XD 11/12 Speed - Drivetrain Speeds: 11 - Weight: 502 g

- Chrome plated CrMo steel chainring bolt/nut sets (Track is NJS approved)

Not all chainrings are created equal, and if you need proof of this, look no further than these chainrings that Praxis made exclusively for Specialized. - Custom design Praxis rings For Specialized only - Cold-forged, Heat-treated, and hard anodize 7075 T6 Aluminum - Compatible with Campagnolo, Shimano, and SRAM 10-/11-speed cranksets

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

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - Fits many older Shimano pre-Hollowtech II cranksets with Octalink V2 or square spindle bottom brackets - Middle chainrings from Octalink (Hollowtech I) and square spindle cranksets are not interchangeable with middle rings from Hollowtech II cranksets

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: 8T - Chain line: 47.5/50mm - Chain stay angle: 66-69 - Top gear teeth: 42T - Total capacity: 18T

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - 6700-G and 6750-G chainrings are OEM for Ultegra "Glossy-Gray" cranksets

Shimano Sora 9-Speed replacement chainrings gets your drivetrain operating smoothly again.

The Shimano Tourney TX800 front derailleur offers precise shifting with HYPERDRIVE technology for 3x7 and 3x8 speed drivetrains. - Action: Top Swing - Applicable Top-Mid tooth difference: 10T - Cable Route Type: Dual-Pull - Chain line: 47.5/50mm - Chainstay angle: 63-66° - Top gear teeth: 42T/48T - Total capacity: 20T

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

Shimano ST-EF500 shift/brake lever provide an ergonomic, integrated solution for both brake and shifting controls. - Optical gear display - Adjustable reach - 4-Finger lever, compatible with cantilever, roller, linear-pull, and mechanical disc brakes

- 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

- 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

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - Compatible with 4-bolt, 104/64 pattern crank arms

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