OSPW for Shimano 9000/6800 Brake while the wing-like shape of

while the wing-like shape of the bar top aids aerodynamics

Frame/cup: BB86

and pulley wheel bearings

19 mm inner width

OSPW for Shimano 9000/6800 Brake while the wing-like shape ofDeveloped and designed entirely by CeramicSpeed, the Oversized Pulley Wheel (OSPW) System for Shimano 9000 6700 provides the ultimate optimization of your bicycle's drivetrain. This OSPW System features a set of 17 tooth aluminium Pulley Wheels, available in red and black, housed in a specially designed polyamide (PA) and carbon cage. The upper and lower 17 tooth oversized aluminium pulley wheels come fitted with either standard or coated CeramicSpeed