The 10-45T Rhythm Step cassette still offers an excellent 450% range but is designed with the perfect ratio in mind

Who's this item for: Designed specifically for aggressive gravel riders

All packed neatly into a handy little pouch

Anti-Bacterial formula kills 99% of germs

The backsweep is crucial for creating a straight line from forearm to hand

Enduro BKCJ-0402 Pulley Wheels - Pulley Wheel - SRAM Road & Gravel - Black - 12 Tooth - XD-15 Ceramic Hybrid Bearing Heavy/Bulky The 10-45T Rhythm Step cassetteBKCJ 0402 12 tooth, XD 15 Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 12 speed SRAM Road and Gravel Derailleurs (4mm bolt upper 5mm bolt lower) The ultimate upgrade pulley. Guaranteed to last forever against corrosion Precision machined Delrin Derailleur pulleys featuring XD 15 Ceramic Hybrid, radial bearings for enhanced shifting performance and longevity. Designed and manufactured for performance, these pulleys feature CN (tight