SHIMANO R600 175mm 34/50 t compact, silver BB Shell Width: 68/70mmChain Compatibility: Shim/SRAM 10Chainring BCD: 110mmChainrings: 34/50TCrank Color: SilverCrank/FD Type: Road CompactCrankarm Length: 175mmCrankarm Length: 175mmCrankset BCD: 110mmCrnk Clr: silverInterface: HT2Length: 175mmPedal Spindle: 9/16"Rings: 34/50Speed: 2x10Spin: Not ApplicableSpindle Interface Type: Hollowtech IIWeight: 830g