Specialized Stumpjumper FSR 2015, 2016, 2017. and 2018 Mountain Bike Frame Suspension Pivot Bearing Kits - 5 Year Warranty - These Kits Fit All Full Suspension Specialized Stumpjumpers regardless of frame size including 26, 27.5, 650B, 6Fattie, and 29 inch Carbon or Aluminum Frames for Model Years 2015 2016 2017 and 2018. - Exceeds OEM Specifications - 5 Year Warranty - Extreme Close Contact NBR Seals - Proprietary Synthetic HD Off-Road Water and - Rustproof Grease - High Precision - If you are not sure what model year your bike is you can contact us and attach a picture to your question. - These kits include all 16 of the necessary replacement pivot suspension bearings. - 2 x Bottom Bracket Pivot Bearings - 4 x Rear Dropout Pivot Bearings - 2 x 'S' Link Seat Tube Pivot Bearings - 4 x 'S' Link Seat Stay Pivot Bearings - 4 x 'S' Link Yoke Pivot Bearings - Internal Part # Spec033