SRAM S-300 1.1 Courier Crankset - 170mm Single Speed 48t 130 BCD GXP Spindle Interface BLK Chainring BCD-104 Includes English threaded GXP cup

Includes English threaded GXP cup and bearing set

Crank arms are forged aluminum use the same bottom bracket interface as high end models

}Full Speed Ahead MegaExo Stainless Mountain Bottom Bracket 68/73mm English Threading

SRAM engineered the oversized DUB spindle to work across every bottom bracket standard simplifying crankarm compatibility

42 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Weight 127 BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB/Frame Interface BB30

SRAM S-300 1.1 Courier Crankset - 170mm Single Speed 48t 130 BCD GXP Spindle Interface BLK Chainring BCD-104 Includes English threaded GXP cupSRAM 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