VR Fixie Crankset Chainring 44T Arm Length 170mm BCD 130mm Square Taper Pedal Spindle 9/16'' Chainring 44T for Fixed-Gear, Road, Single-Speed bicycle Aluminum alloy, anodizing and sandblast process Arm length 170mm, BCD 130mm Pedal spindle 9/16'' Crankset 430g, arm 220g