This is a replacement 2015+ Demo Carbon Main Pivot Bearing. 50 x 62 x 6mm. Please consult your specific bikes manual/parts list to confirm compatibility. This item is used on the following models: Model Year Category Model 2020 DEMO DEMO 8 I ALLOY 27.5 2019 DEMO DEMO 8 I ALLOY 27.5 2018 DEMO 8 FSR DEMO 8 FSR I ALLOY 2018 DEMO 8 FSR DEMO 8 FSR I CARBON 2018 DEMO 8 FSR DEMO 8 FSR SW CARBON 2018 DEMO 8 FSR DEMO 8 FSR SW CARBON FRM 2017 DEMO 8 FSR DEMO 8 FSR ALLOY FRM 2017 DEMO 8 FSR DEMO 8 FSR ALLOY FRM LTD 2017 DEMO 8 FSR DEMO 8 FSR I ALLOY 2017 DEMO 8 FSR DEMO 8 FSR I CARBON 2017 DEMO 8 FSR DEMO 8 FSR II ALLOY 2017 DEMO 8 FSR DEMO 8 FSR SW CARBON 2017 DEMO 8 FSR DEMO 8 FSR SW CARBON FRM 2016 DEMO 8 FSR DEMO 8 FSR ALLOY FRM 2016 DEMO 8 FSR DEMO 8 FSR I CARBON 2016 DEMO 8 FSR DEMO 8 FSR SW CARBON 2016 DEMO 8 FSR DEMO 8 FSR SW CARBON FRM