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Description
A bottom bracket built to outlast your frame - BB ALPHA features hardened stainless-steel races hand-built with grade-3 Silicon Nitride ceramic balls custom-engineered seals and precision dust covers delivering up to 500% better moisture protection while still providing ultra-low friction performance. All CeramicSpeed BB ALPHA models are handbuilt in Denmark and backed by a lifetime warranty.Hardened Stainless Steel races offer exceptional corrosion protection and provide an optimal surface for the hand-built grade-3 Silicon Nitride ceramic balls Internal ball bearing race has been redesigned to provide additional support allowing the bearing to better handle pre-load Custom-made light contact seals with stainless steel covering the backside strike the perfect balance between efficiency and protection while offering the trademark low-friction CeramicSpeed performance Incredibly stiff POM plastic dust covers to now sit flush making it increasingly difficult for debris to penetrate the dust cover and contaminate the bearing
| BB/Frame Interface | BB90 |
| Weight | 46 |
| Spindle Interface Type | RaceFace EXI |
Item Specific Details
UPC: 5711050143658
Manufacturer Part #: 115517
Model: BB ALPHA BB90 Road Bottom Bracket Bearing Kit
Black
Compatible with 24mm/Shimano Spindle
Road Optimized
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