SRAM S-300 1.1 Courier Crankset - 170mm Single Speed 48t 130 BCD GXP Spindle Interface BLK 500 LB integrated chain tensioner

integrated chain tensioner

such as cobblestone and gravel

Lower Headset - 28g

5mm shell spacers

and Turnkey (lockout) upper

SRAM S-300 1.1 Courier Crankset - 170mm Single Speed 48t 130 BCD GXP Spindle Interface BLK 500 LB integrated chain tensionerSRAM S 300 1. 1 Courier Crankset 170mm Single Speed 48t 130 BCD GXP Spindle Interface Black. Crank arms are forged aluminum use the same bottom bracket interface as high end models. AL 6061 forged arms AL 7075 ring Includes English threaded GXP cup and bearing set TECH SPECS Drivetrain Speeds Single Speed 3 32" Rings 48 Defined Color Black Spindle Interface Type SRAM Truvativ GXP Number of Chainrings Single Chainring BCD 130 Crank Intended Use Road