Length:165, 170, 172.5, 175. Finish: Black or polish silver anodized.
● Chain rings: 54/39, 53/39, 52/42, 52/39, 50/39……,
alloy 7075 CNC, Black or silver anodized.
● Chainring bolt & nut: Cr-Mo steel.
● Compatible B.B: square/ ISIS.(Option:Octa
● Chainline: 43.5mm.
● Weight: 695g (53/39T square)