BB90 Bottom Bracket for Trek Shimano
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Product description
BB90 is the Trek oversized bottom bracket standard and is only found on Trek road bikes. The shell is 90.5mm wide and is designed to work with 24mm spindles and road cranks and have the bearings inside the shell. The CeramicSpeed Bearings come as two bearings, which are then pressed into the frame.
Those two bearings consist of either CeramicSpeed Standard or Coated Bearings. Both feature super smooth, super round CeramicSpeed Balls contained in hardened-steel races. The Coated version has a metallic coating laid onto the races, making it even smoother and harder, resulting in lower drag and longer life.
In The Box
- 2 BB90 bearings.
- 2 seals.
- 2 dust covers with integrated spacers.
- All Round Grease.
- Sticker Sheet.
Lowest Friction
Optimized Power Transfer
Longest Product Lifetime
This product is rated 4.8 of 5.0 stars.
It has received 25 reviews.
General Maintenance for CeramicSpeed Bottom Bracket and Wheel Bearings
Installation of Shimano cranks on CeramicSpeed Bottom Brackets
CeramicSpeed Bottom Bracket Installation Guide for BB30 and BB90 Bearings