Madera Protocol cranks are made from tubular CrMo with CNC CrMo bosses.
Available in 175mm or 180mm.
Madera cranks are made in America.
Protocol Cranks share the same GDH hollow chrome moly BB spindle of their older brother, the Profile Race Crank.
Available in black, snow white, and silvervein arms. Left and Right Hand Drive compatible. 180mm available in Black only.