Bearings are sold as a set – This set is (2) bearings
Onewheel Ceramic Hybrid Bearing – The 6907 Series (35mm X 55mm) Ceramic Hybrid Wheel/Axle bearings are produced with steel races and ceramic balls and have rubber seals to keep the elements out.
put on my xr after 2000 miles of riding and seriously is like riding a new board. Not too hard to do after watching bids on YouTube. Seriously wish I would i would of done earlier.