Steel sprockets in sizes 40T-46T.
Stock 525 Chain Size.
This is a hardened steel sprocket.
Stock USA Gearing is:
Note: When installing this sprocket on an '04 or newer model, the engraving is installed facing outwards. In other words, the cut away (pictured) side faces outwards.
To use this sprocket on a 98-03 RSV Mille, 00-03 Falco, or 02-05 Tuono, install the engraving so it faces inwards. In other words, have the smooth flat side facing outwards
*Please note: NOT FOR vehicles with the Updated Rear Sprocket Fitting Kit 2R000270