Keep your bike's pivot points in perfect working order with the ISB bearings brought to you by Escapa.
Application: Wheel and Bottom Bracket. Series: ISB Sport Pro Series for High Performance
Ceramic bicycle bearings 12x21x5mm
Hybrid ceramic bearings
Stainless steel rings
SI3N4 Silicon Nitride ceramic balls
Nylon cage
Rubber seals
Water-resistant lubrication
Dimensions:
Inner: 12 mm
Outer: 21 mm
Width: 5 mm
*The color of the caps may vary from the image
