Designed to be reminiscent of the Campy Strada and Sugino Mighty cranks of the 1970's.
But instead of CNC'ing from billet, IRD cold forges these before adding the fluting details.
This makes for a stronger, more reliable design.
- CNC-machined 7075 aluminum rings
- 110bcd 48-36-24t
- Cold forged 6061 T6 aluminum arms
- JIS square taper BB required (122.5mm, some frames may need 127.5)
- Q-factor: 152.3mm