Cane Creek 50-Series Headset IS41/28.6|IS52/40 Black MFPN=101365 The CeramicSpeed OSPW RS System

The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design

Lever features a stamped aluminum lever blade with a gloss black finish

but they don't have to be

}Shimano Alfine SG-S7001-8 Internal Assembly

Includes one16g cartridge

Cane Creek 50-Series Headset IS41/28.6|IS52/40 Black MFPN=101365 The CeramicSpeed OSPW RS SystemAdditional machining on the cups, but incorporating all the features of the 40 Series headset while offering the perfect balance of performance and value Machined, bevel and relieved 6061 T6 aluminum for minimized weight and maximized strength with ZN40 sealed cartridge bearings Compatible with Cane Creek Interlok spacers and traditional spacers. Spacers sold separately TECH SPECS