SUNTOUR COTTERLESSSQUARETAPERCUT170mm LEFT HAND CRANK ALLOY PEDALARMNEWHARD TO FINDSQUARECUT170mm CRANKARMSQUARECUTRELATES TO THE POSITION OFCUTIN RELATION TOARM, MOST STANDARD COTTERLESS ARMS USUALLY HAVE A DIAMONDCUTPOSITION (if in doubt please ask BEFORE Buying )YOUR CHAINWHEEL MUST HAVE THE SAMECUTPOSITION OR THE ARMS WILL NOT LINE UP CORRECTLY. WE HAVE DIAMONDCUTALSO AVAILABLE SEE OUR OTHER LISTINGS OR CONTACTSUNTOUR NICE QUALITY POLISHED ALLOY LEFTHAND CRANK PEDALARMAN IDEAL REPLACEMENT FOR DAMAGED OR WORN OUT CRANKS170mm LENGTH (CENTRE TO CENTRE)9/16 LEFT HAND PEDAL THREADFOR USE ON LEFT HAND SIDE OF THE BIKE ONLYWEIGHT APPROX 270gramsSTANDARDJIS TYPE, WILL FIT MOST COTTERLESS CRANKSQUARETAPERED AXLES INCLUDING MOST SHIMANO , if in doubt please askCODERBP603