Bundle and save with the RS1 Driveline & Carrier Bearing Combo! Rated 3 times stronger than stock our upgraded driveline consists of larger U-joints, yokes, larger diameter shafts with double the wall thickness 0than the stock/OEM drivelines from Polaris. When you operate your RS1 over 40 MPH you are exceeding what the driveline is rated for, our driveline was engineered for your machines capabilities & much, much more. This combo includes our GEN3 carrier bearing!