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 spider gear. Works with square tapered spindles only. Rider weight limit is 100lbs on ALL crank arm lengths

Weights

100mm Black: 8.6 oz
105mm Black: 8.8 oz
110mm Black: 8.8 oz
115mm Black: 9.4 oz
120mm Black: 9.7 oz
125mm Black: 10.0 oz
130mm Black: 10.8 oz
135mm Black: 11.0 oz
140mm Black: 11.2 oz
145mm Black: 11.6 oz
150mm Black: 11.9 oz
155mm Black: 12.1 oz
160mm Black: 12.3 oz
165mm Black: 12.6 oz