Protaper 033400 PTR Rear Sprocket - Aluminum helmets-helmet-accessories-replacement-parts-hardware 1974-1976 BMW R90/6

1974-1976 BMW R90/6

Also works on trailers

2018-2022 Ducati Panigale V4

94703-00333-00

Padded chin strap

Protaper 033400 PTR Rear Sprocket - Aluminum helmets-helmet-accessories-replacement-parts-hardware 1974-1976 BMW R90/6Race Spec (RS) Rear Sprockets feature our revolutionary Angled Mud Groove. This exclusive design creates a self cleaning effect during operation, shedding away mud that would otherwise lead to horsepower loss and sprocket wear. With their precise CNC machining and unique layout, these grooves also allow an increase in tooth surface area of up to 40% over competing sprockets. As a result, contact with the chain is significantly improved, leading to a