Enduro Ceramic Outboard BB Bearing Upgrade Kit.
- Grade 5 Silicon Nitride ceramic balls, graphite/nylon retainers
- Ceramic bearings provide superior smoothness, reduced weight and extended bearing life
- Replaces Shimano, FSA, or Race Face external cup BB bearings with 2 each 2437 ceramic bearings and 4 each seal and shims
- Suggested for use with AB-9010 (outboard BB bearing replacement tool)
- 3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturer
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