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 Weights100mm Black: 8.6 oz / 243 g105mm Black: 8.8 oz / 249 g110mm Black: 8.8 oz / 249 g115mm Black: 9.4 oz / 266 g120mm Black: 9.7 oz / 274 g125mm Black: 10.0 oz / 283 g130mm Black: 10.8 oz / 306 g135mm Black: 11.0 oz / 311 g140mm Black: 11.2 oz / 317 g145mm Black: 11.6 oz / 328 g150mm Black: 11.9 oz / 337 g155mm Black: 12.1 oz / 343 g160mm Black: 12.3 oz / 348 g165mm Black: 12.6 oz / 357 g
