MATERIAL: CNC machined from 7075 T-6 aluminum
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 spacer included)