Yamaha XJR1300 all models from 2002-2003. Rear Wheel Bearings Kit 3x Japanese Bearings (includes sprocket bearing). The answer is easy, Pyramid Parts Oil seals are all Low Stiction (low friction) seals designed specifically for motorcycles.
RSProRiders - Rear Wheel Bearings & Seals Compatible with SUR-Ron Ultra Bee
KTM Front & Rear Wheel Bearings EXC EXCF SX SXF 125 144 150 250 300 450 500 400
Rear Wheel Bearings & Seals for Yamaha YZF-R6 1999-02
Yamaha YZF R6 600 Rear Wheel Bearings & Seals 1999 - 2002
Rear Wheel Bearings & Seals for Yamaha YZF-R1 98-99