SRAM S-300 1.1 Courier Crankset - 165mm Single Speed 48t 130 BCD GXP Spindle Interface BLK MFPN=RR21STLDM30TSHI12BLK } Great entry level pump

} Great entry level pump in a compact form

Cog Details 101112131415161719212428 Speed 12 Finish Rainbow Cog Material Steel Cassette Spider Mat

44mm offset description 1

Primary Color Grey Color Carbon Grey Size M Size Category Adult

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SRAM S-300 1.1 Courier Crankset - 165mm Single Speed 48t 130 BCD GXP Spindle Interface BLK MFPN=RR21STLDM30TSHI12BLK } Great entry level pumpSRAM S 300 1. 1 Courier Crankset 165mm 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