Solid 34 tooth sprocket conversion replaces the compensator assembly, which is often slipping and noisy. Weighs more than 50% less than the OEM or Screamin' Eagle unit. Easy to install following the included instructions. Fits 2017 to present Touring & Trike and 2018 to present Softail, except FLFB & FLFBS Fat Boy, FXBR & FXBRS Breakout and FXDR.