Flywheel with connection rod. Fit's all All XR1200 and XR1200X models and Buell XB12 from 2008-2010.
We recommand to let a professional Harley or Buell shop, aline the bearing in the crank case and make the case bearings to size
The 2008-2010 flywheels have a larger crank pin for a higher redline.
Also the trigger wheel is built into the flywheel for the crank position sensor.
Twin Motorcycles Buell Support forever