CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK MFPN=SCH020300S0100 The narrow-wide chainring is designed

The narrow-wide chainring is designed to retain the chain without the need of a chain device

30 Folding 60tpi Single Compound Black

Perfect for rides that are mostly smooth

Color Black Defined Color Black Material EVA Foam Thickness 3 Adhesive Yes

CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK MFPN=SCH020300S0100 The narrow-wide chainring is designedCeramicSpeed OSPW Pulley Wheel Aero System for Shimano 9100 9150 and 8000 SS 8050 SS Coated Races Alloy Pulley Carbon Cage Black. CeramicSpeed's OSPW Aero system has been developed in close collaboration with one of the world's leading aerodynamicists. The development process behind the OSPW Aero spanned over two years where extensive wind tunnel testing influenced multiple design iterations. The end result is an entirely new cage structure wrapped