Crank length: 165MM,170MM
Crank material :AL-6061-T6
Crank finish : silver anodized/black anodized
Chainline: 44MM
BCD:    130MM
Spindle:116MM
Chainring: 42T,44T,46T
Chainring  material: alloy or steel
Chainring finish:  black /silver
Chainguard:  alloy anodized CNC