Full Suspension 12x21x5mm Heavy Contact Sealed Bearing

The same bearings found in Trek and Gary Fisher full suspension bikes.<br /> - Refer to dimensions for best compatibility<br /> - A heavy contact seal provides the best defense against the elements<br /> - Refer to Service Manual for assembly instructions and service<br /> - The same bearings used in our bike assembly for proven quality<br /> - Wheel bearings are not an approved substitute for full suspension bearings