e*thirteen e*spec Steel Direct Mount Chainring - 34T Bosch CX Gen4 CL 53/55 via Spacer BLK Casing-XCC Bearing Dimensions 10x22x6mm Bearing Grade

Bearing Dimensions 10x22x6mm Bearing Grade 3 Number 6900

Side knobs have a more round profile with accordion siping and arched cutaways for predictable loading

}Ergon GP5 GFK Right Hand Bar End 2015 and Newer

S1 (formerly Z-410): bushing-less design for normal BMX and Singlespeed use

e*thirteen e*spec Steel Direct Mount Chainring - 34T Bosch CX Gen4 CL 53/55 via Spacer BLK Casing-XCC Bearing Dimensions 10x22x6mm Bearing Gradee*thirteen e*spec Steel Direct Mount Chainring 34T Bosch CX Gen4 CL 53 55 via Spacer Black. New e*spec Steel Direct Mount Bosch CX Gen4 Chainrings feature 53 55mm adjustable chainline with included spacer. They utilize e*thirteens M3 narrow wide tooth profile which reduces weight and minimizes system wear and noise without sacrificing chain retention. Steel rings provide great performance and long wear life at an affordable price. TECH SPECS Color