Wheels come assembled with the bearings in them

Bearing type: Sealed

then these are more than likely the replacement brake pads you need

100% cotton

Medium: 14 - 16in

Triple 8 RD Wristsaver Wrist Guards - Sale Spitfire Wheels come assembled with theThese wristguards come with uncompromising protection. Triple Eight's newest wristguard was designed with a wider palm splint and snug fit body to withstand the rigors of derby. Sizes: S, M, L Extra wide palm splint for greater coverage and energy disbursement High density, impact resistant, replaceable splints positioned on front and back of wrists for support Sweatsaver brow wipe on back of hand Terry cloth inside lining for comfort Reinforced