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Everyone knows that Chris King is the most respected manufacturer of finicky components like headsets and bottom brackets. CK has been killing Shimano-compatible components for years, so it's great to see the SRAM Mountain Bottom Bracket, which packs the same quality into a BB that's compatible with SRAM, Truvativ, and Bontrager GXP cranksets with stepped 24mm axles.

The cups hold 24 stainless-steel balls in each cartridge bearing, and have King's awesome easy-to-clean design—to clean them, just squirt in clean oil and it'll do the rest all by itself. You can change out thicker and thinner oils in the same way, so you can usa a lower-friction oil on race day and a heavier-duty liquid for everyday riding.

  • 24 stainless steel cartridge bearings
  • Easy-clean design
  • Compatible with SRAM GXP, Truvativ GXP, and Bontrager GXP cranksets
  • Comes with two 2.5mm aluminum spacers

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Here's what others have to say...


Great Bottom Bracket

  • Familiarity:I've put it through the wringer

Went from the sram ceramic BB to this, and this is a great BB, smooth as butter and is very easy to maintain.


Ditch Sram

  • Familiarity:I've put it through the wringer

If you have a SRAM crank, ditch their flemsy plastic BB and spend the money on this one. Years and Years of flawless performance. Dont sell yourself short


SRAM X01 'BB/PF30'?

    I have a Specialized Enduro with a 'BB/PF30' bottom bracket, which a SRAM X01 crankset is mounted to/through.

    Is THIS bottom bracket compatible with it?


    Unanswered Question

    Having an issue with a stock Omnium setup...

    Having an issue with a stock Omnium setup on a new road commuter build in that the back of the spider comes in contact with the chainstay. BB shell on the bike is 73mm - hence the MTN type BB. Seeing as the BB has spacers, can I use...say...five 1mm spacers for the required clearance on the spider (and not have to worry about it still hitting when the crank/frame are under load)?

    Any feedback is appreciated.

    Unanswered Question

    I have a Shimano Deore XT and I was wondering...

    I have a Shimano Deore XT and I was wondering if this will work with this Chris King bottom bracket?