FSA Omega Compact 170mm 34-50t Crankset Black with Bottom Bracket BB Shell Width: 68/70mmBB Thread Type: EnglishChain Compatibility: Campagnolo 10,Shim/SRAM 10Chainring BCD: 110mmChainrings: 34/50TCrank Color: BlackCrank/FD Type: Road CompactCrankarm Length: 170mmCrankarm Length: 170mmCrankset BCD: 74/130mmCrnk Clr: BlackPedal Spindle: 9/16"Rings: 34-50Spin: Not ApplicableSpindle Interface Type: MegaExoWeight: 705gWeight: 1068g