Description The Answer Mini Race crank arms are precision CNC machined from 7075 aluminum with deep grooves on the back of each arm to help shed weight without sacrificing strength or stiffness. Includes a removable machined 5-bolt 110mm BCD spider gear and spider/gear bolts. Works with square tapered spindles only. Rider weight limit is 100lbs on ALL crank arm lengths 100mm Black: 8.4 oz 100mm White: 8.8 oz 105mm Black: 9.0 oz 105mm White: 8.8 oz 110mm Black: 9.0 oz 110mm White: 9.0 oz 115mm Black: 9.6 oz 115mm White: 9.6 oz 120mm Black: 9.7 oz 120mm White: 9.7 oz 125mm Black: 10.2 oz 125mm White: 10.2 oz 130mm Black: 10.8 oz 130mm White: 10.8 oz 135mm Black: 11.2 oz 135mm White: 11.0 oz 140mm Black: 11.2 oz 140mm White: 11.4 oz 145mm Black: 11.6 oz 145mm White: 11.8 oz 150mm Black: 12.0 oz 150mm White: 12.0 oz 155mm Black: 12.6 oz 155mm White: 12.2 oz 160mm Black: 12.4 oz 160mm White: 12.4 oz 165mm Black: 13.8 oz 165mm White: 12.8 oz
