Answer Mini Crank Arms Crank Arm Length:150mm 75" has a chromoly core

75" has a chromoly core inside a replaceable plastic sleeve

You will usually use the short chromoly or standard alloy chainring bolts (unless you use Profile or some other thicker chainring)

2° up WEIGHT: 204 gramS 7

Size: Front: 20x100mm | Rear: 20x110mm

3K Weave Carbon Fiber

Answer Mini Crank Arms Crank Arm Length:150mm 75" has a chromoly coreLight weight machined aluminum crank arms with aluminum 5 bolt 110mm spider. Available in several sizes from 125mm to 165mm. One of the lightest arms on the market, the Answer crank has been reinvented. The highest strength to weight ratio of any mini crank on the market. J&R Helpful Hint: This crank set requires a square spindle bottom bracket and typically needs a 113mm length. You will need a crank arm puller for these cranks (and to possibly