Spacers for inside your wheels help avoid stress on axles making them last longer and stay straight.
Spacers that go inside the wheel in between the two bearings. Spacers should always be used to properly lockdown the bearings and create overall wheel and axle strength and stability. Choose Rollerskate wheel length – 7mm long (fits 7mm or 8mm axle size). For Skateboards or Inline choose the 10mm length. Priced per spacer.