Cane Creek 40-Series Upper ZS49/28.6 Black CheckoutSpec= Standard Eyelet 57.5mm Pump Length 185mm Pump Weight

Pump Length 185mm Pump Weight 90g Valve Presta Air Release No Primary Color Black Bracket Side mount Pump Max PSI 180psi Pump Barrel Material Aluminum

The other drift has two sizes to press in cups with either 1-1/8" or 1-1/2" bearings

A great look and fit make this boot a winner

Temperature range +1°C to -7°C (34°F to 19°F)

Cane Creek 40-Series Upper ZS49/28.6 Black CheckoutSpec= Standard Eyelet 57.5mm Pump Length 185mm Pump Weight40 Series Solutions: separate top and bottom headset cup assemblies for tapered, reducer and conversion applications (mix & match system helps reduce inventory overlap) Same features and materials as 40 series complete headsets Top assemblies include star nut and top cap, while bottom assemblies include crown race (Carbon indicates a carbon top cover) Cane Creek Integrated 41. 0mm ID (36x45), Campy Hiddenset 42. 0mm ID (45x45) , ZS (ZeroStack), or EC