LT Easiyl 20pcs Inline Skates Spacer Wheel Bearing Spacers Aluminium Alloy Speed for Rollerblade & Roller

Application: these spacers fit between the bearings, which makes the wheels and bearings easy to support, and they easily fit the male and female skating axles. The spacers ensure even movement and prevent your bearings from collapsing. Minimise drag: this graduated skate spacer can minimise the resistance of the bearings and make the movement of the bearing smoother. Material: these spacers are made of an aluminium alloy and can be easily removed. They are durable than other plastic accessories. Inner diameter 6.3mm, outer diameter 7.9mm, length 23.5mm. Fit for 6mm axles. Necessary Accessories: If there is no bushing, the bearing will stand still. This is a necessary condition for your replacement.