Ceramicspeed BB90 SRAM GXP Alternative Bottom Bracket

Ceramicspeed BB90 SRAM GXP Alternative Bottom Bracket


Regular priceRs. 24,000
Tax included.

🚚 Delivery Estimated between 11 December and 16 December.


Trek developed its own bb standard to optimize its frame designs.
BB90 has a 90.5mm shell width and 37mm inner diameter and is designed so that the bearings of external cups can hide within the frame.

The CeramicSpeed kit comes with 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 rotating in hardened-steel races.

The Coated version has a metallic coating laid onto the races, making it even smoother and harder, resulting in longer life and lower drag.


Technical Data

The BB90 standard is limited to Trek. This kit makes it possible for 24/22mm thru-axle cranks from Quarq and SRAM to mate with your Trek.

Standard Bearings last at least 3 times longer than other bearings. That’s a result of hardened-steel races and ceramic balls that are 100% smoother & 15% harder than the ceramic competition. These bearings have a frictional drag of 0.3-0.4 watts per set, which boasts an average 75% drag reduction compared to stock bbs.

The Coated Bearings increase bearing life by 60% and reduce drag by 50% compared to Standard Bearings.

To better modify the performance for your needs, consider the grease you’re using. All Round Grease comes installed but can be changed for lower drag Race Day Grease, or higher durability Long Life Grease, which adds a bit of drag but stays in when riding through messy conditions.

Installation of BB90 Bottom Bracket for Trek SRAM GXP

If you don't have any experience installing bottom brackets and bearings, we recommend that you have your local bike shop fit your new bearings. Find your nearest retailer.

Maintenance of CeramicSpeed Bottom Brackets

We recommend that you follow our instructions on how to maintain your CeramicSpeed Bottom Brackets to achieve the lowest friction and the best longevity.

In The Box
  • 1 24mm BB90 bearing
  • 1 22mm BB90 bearing for GXP.
  • 2 seals.
  • 1 integrated 24mm dust cover.
  • 1 metal GXP dust cover
  • Wavy washer + spacers
  • All Round Grease.
  • Sticker Sheet.
Type Pressfit
Bearing Type Ceramic
Length  -
Shell Width 90.5 mm
Thread type  -
Spindle Diameter 37 mm

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