Feature:
* Carbon steel material， anti-corrosion and dustproof.
* Double dust cover design， effective isolation from the dust.
* It effectively reduce friction and provide higher speed.
Note:
1. Due to the bearing with a solid butter， the first time you use the speed is not fast. Mounted on the skateboard or skateboard shoes glide a distance， until the internal solid butter to scatter， you can reach the optimum speed.
2. Avoid use in damp places， and please wear gloves if there is sweat on your hands.
3. If the bearing was strongly impact when using， it may cause bearing a scar， indentation， fracture， etc.
How to remove the dust in the bearing:
Take off the bearing and place it in the oil for 1-2 days， then mix the oil. So the dust will fall off from the bearing， it can be used again.
Package included:
8 x Skateboard Bearings
