MATERIAL: CNC machined in the U.S.A. from 7075 series aluminum, 3-D design
FIT: 19mm and 22mm spindles
CHAIN FIT: 1/8"
BOLT REQUIREMENT: Fits standard gear bolt that comes with 2-pc and 3-pc cranks.
CRANK REQUIREMENT: For use on 2-pc or 3-pc cranks with 19mm and 22mm spindle (gear spacers included)