Equipped with a Hole Diameter 4mm Sleeve:Equipped with a hole diameter 4mm sleeve, original hole diameter 5mm, if the original sleeve is removed, the hole diameter can be changed to 6mm, 4/5/6 shaft pulley screw can be applied
High Quality Material:Adopting aluminum alloy and ceramic material, lightweight and , wonderful accessory for mountain
Various Speed:Our wheel fits for almost all mountain of 11T and 13T, suiatable for use 4 / 5 / 6 mm wheel screws
Safety Relax:Our wheel is sensitive and , let your cycling exprience more safety and relax
Notice:If you have any questions during the purchase or use, you are welcome to us, and we will try our best to provide you with a satisfactory solution