March Special: Save 20% on select gravel components and accessories through 3/29. Discount applied at checkout. Custom bearings and high perfor. . .

Replacement 6806 bearing and dust seal for many model year 2015 and newer e*thirteen 30mm spindle bottom brackets. Not compatible with 24mm spi. . .

Replacement APS adjuster kit. Fits e*thirteen cranks machined to fit APS adjuster. Versions are specific to crank arm type, choose between APS f. . .

Tool to install and remove e*thirteen BB's (except BB92), chainring/spider lockring, and Gen 1 cassette lockrings.

Replacement crank boots for e*thirteen LG1R, TRSR, e*spec Race carbon cranks.

Replacement crank boots for e*thirteen Helix Race /Helix Core /e*spec Plus EP8 cranks.

Replacement crank bolt and extractor tool for e*thirteen cranks using a 1 degree spindle taper. Not compatible with 3 degree cranks. 1 deg crank. . .

Our BB30 and PF30 bottom brackets are thread-together systems, which eliminate the creaks common in non-thread-together bottom brackets. Our BB9. . .

Lighter, stronger and better looking than our original Guiderings; the Guidering SL is intended for use on TRS, LG1 and legacy e*thirteen cranks. . .

March Special: Save 20% on select gravel components and accessories through 3/29. Discount applied at checkout. UL Chainrings are the lightest 1. . .

Replacement Crank Fixing/Tightening bolts and Self Extractor Kits. Fits e*thirteen cranks of various generations as indicated below. Please see . . .

Chainline spacers and lockring kit for Gen 3 and Gen 4 cranksets. Fits Race LG1/TRS/XCX and Plus LG1/TRS

Style (and Performance) for Days Customize your ride with The Helix Race Direct Mount Chainring. Made from ultra-lightweight and durable AL-70. . .

PROVEN CROSS-COMPATIBILITY APPLIED TO AN ULTRA-LIGHTWEIGHT, DURABLE AL-7075-T6 CHAINRING. HIGHLY CNC'D TECHNICAL FINISH. AVAILABLE TO MATCH HEL. . .

The Helix Plus Direct Mount Chainring is a direct OEM replacement, engineered with our advanced M4 narrow-wide tooth profile for maximized chain. . .

Upgrade your e-bike drivetrain with our Bosch e*spec Direct Mount Chainrings. Our M3 narrow-wide tooth profile reduces weight without compromi. . .