SRAM S-300 1.1 Courier Crankset - 170mm Single Speed 48t 130 BCD GXP Spindle Interface BLK MFPN=HB12AR31.8STE and SL Speed stems

and SL Speed stems

Made in the USA and CNC machined from hardened steel with electroless nickel plating

and antibacterial properties make it ideal for exercising at both high and low intensity

Manganese: 7mm rails made of a Manganese and CrMo alloy for excellent durabilty and value

SRAM S-300 1.1 Courier Crankset - 170mm Single Speed 48t 130 BCD GXP Spindle Interface BLK MFPN=HB12AR31.8STE and SL Speed stemsSRAM 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