IRD Defiant Compact Road Double Cranks

Product Description

Inspired by the Zeus and Sugino Mighty fluted cranks of the 70's, but these are cold forged before adding the fluting touches.

This makes for a stronger more reliable design.

- 110BCD

- CNC-machined alloy ring (50-34t)

- 9/10 speed compatible

- Cold forged aluminum arms

- JIS square taper (115mm, 118mm on some frames)

- Q-factor: 143mm