Black Ceramic High Speed 8mm Bearings Bearing Style:Closed | Dust Proof Most of the new models

Most of the new models of CCM

Comfort Felt Tongue – Softer tongue that allows for more flex and comfort

it can be used for Cycling

Bone ball bearings are not ABEC rated

Black Ceramic High Speed 8mm Bearings Bearing Style:Closed | Dust Proof Most of the new modelsJT Skate presents new improved high quality Black Ceramic bearings with P5 highest precision for fastest, smoother and longest spinning professional bearing in the market. Less noise than ordinary stainless steel ball bearing, especially corrosion resistance. ABEC 11 certified and P5 policed made it better than any other bearings in the market. Tested and Guaranteed. Features: Silicon Nitride Black Ceramic Ball Ceramic Balls to prevent it from water