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Item # SRM0378

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  • One Color, 68/73 ($24.99)
  • One Color, 70 Italian ($24.99)
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Item # SRM0378

Description

Typically unsung, this SRAM GXP Team Bottom Bracket is what you'll find supporting your SRAM road or Truvativ mountain crankset. It's identical to the bottom brackets used in the Force and X0 groups.

SRAM's bottom brackets, while interchangeable between all SRAM and Truvativ cranksets, are brand specific -- meaning, they can only be installed with SRAM cranks. The key element that makes them different from a Shimano or FSA bottom bracket is that the left side bearing has a smaller diameter to mate with the stepped spindle of the SRAM crank. This design allows the inner race of the left side bearing to be captured between the crankarm and the spindle, effectively locating the crank. The right side bearing "floats" on the spindle handling only radial loads as you pedal. The SRAM design optimizes bearing load, minimizes drag, and gives you durability.

The GXP Team Bottom Bracket has alloy cups, anodized in Dark Silver. It's compatible with all SRAM road and Truvativ mountain cranksets. It comes in English threading only and will fit 68mm or 73mm bottom bracket shells (spacers included for 73).

  • Compatible with all SRAM road, Truvativ mountain cranksets
  • Fits 68, 73mm bottom bracket shells (comes with spacers for 73mm)
  • English threading

Tech Specs

Material:
(cups) alloy, (bearings) steel
Shell Width:
68 mm 73 mm
Threading:
English
Actual Weight:
One Color, 68/73: 119g
Recommended Use:
spinning those SRAM cranks
Manufacturer Warranty:
2 years

Reviews & Community

REVIEWS

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Works as expected.

  • Familiarity: I've used it several times

Great tool for the job. When your old GXP bb wears out, pick this up and you will love how smooth your pedaling becomes. At this great price point it is definitely worth getting a new BB for your bike. Do it!

Works Fine

  • Familiarity: I've put it through the wringer

Bottom brackets are a "wear and tear" item; you'll need to replace them more frequently the more you ride (and even more frequently if you ride in wet/gritty/muddy/salty/humid conditions) and this is the proper choice for a GXP spindle and 68/73mm threaded frame.

Gets the job done

  • Familiarity: I've put it through the wringer

This SRAM BB will get the job done, it's reliable and will hold up for quite some time. If you are looking for a more efficient BB, consider a Steel Chris King or a Ceramic BB.

Solid, good price point

  • Familiarity: I've put it through the wringer

I like the SRAM GXP system. Simple to install and remove the BB and Crankset. The team gxp bb is at a good price point. I don't like spending a bunch of money on the BB since they wear out like chains and tires. Only annoying thing is that the dust cap seems to pop off easily when the crank is not installed but it's a non issue once the crank is installed.

Avg. ride time: 9h 21m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Tried and true!

  • Familiarity: I've put it through the wringer

This is a standard...what else can be said!?

Avg. ride time: 4h 40m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Last and lasts

  • Familiarity: I've put it through the wringer

I have only 10k miles on this BB and it's still going strong. I don't ride at all in the rain or mud though. Mainly typical CA weather. Solid BB and never needed any servicing.

Pressfit like BB30 or BB86? I didn't notice any issue with this but I guess I'm on the lighter side.

Works

    Never an issue with these threaded BBs. Reliable and last for a long time if you take care of your bike. I'm in UT so it's pretty dry here, if you're in a wetter environment they might not last as long.

    Works like a bottom bracket

    • Familiarity: I've used it several times

    seems like it will be a fine bottom bracket. Obviously if you have the money go Chris king or even sram ceramic. But if youre like me then this will do just fine.

    Unanswered Question

    Hi There,
    I have a SRAM gxp chainset, it came with an English bottom bracket. My bike has an Italian bottom bracket shell (70mm wide, rather than the English 68mm). Will the axle length be OK, if I buy an Italian threaded gxp bottom bracket? Do sram make the cups 2mm narrower, so that the distance between the cranks is still the same, or do I have to buy Italian specific cranks?
    Thank you.

    Avg. ride time: 1h 56m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Shouldn't have to sell you

    • Familiarity: I've used it several times

    SRAM makes great stuff. Shouldn't have to sell you on this bottom bracket. Incredible value and super smooth pedaling.

    If you are considering buying this, buy it.

    Shouldn't have to sell you
    Unanswered Question
    Avg. ride time: 2h 57m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    i want upgrade my drivetrain to x01/xx1, and my bb frame is BSA, is this the right BB to use?

    This says "needs spacers to be used as a 73mm" that is fine but the last one I bought that worked on 68/73mm (not this brand) just used a "spacer"/"washer" type thing on the threads to "shrink" a 73mm for use as a 68mm... I don't want that type of setup.... I just want a 68mm. does this one start out as a 68mm? Thanks

    You'll always need a washer or a couple with this BB. I think its one with a 73 and 3 with a 68. The only time you wouldn't use one is with a E-type front derailleur which are rare these days. Refer to instruction manual for exact numbers to use and which side to use them on.

    If you are using a MTB crankset on a bike with a 68mm shell, you use the included spacers. If you are using a road crankset on a 68mm shell or a MTB crankset on a 72mm shell, you won't need the spacers.

    Ok, but the included instruction page for a SRAM crankset indicates that the spacers should be used for all but a 72mm shell.



    I never much liked the graphic only type instructions and its a bit confusing as I did not think you should use the spacers for a road 68 shell but they seem to indicate otherwise????

    Avg. ride time: 8h 20m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    It works

    • Familiarity: I've put it through the wringer

    Installed it this summer. Logged 3,000 uneventful miles on it. No problems. Seems to do just fine in the rain.

    Avg. ride time: 12h 32m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Smooth Character

    • Familiarity: I've put it through the wringer

    Only one season on this BB, but thus far it's been running as smooth as a roadie's calves. Pretty inexpensive way to keep the cranks running smooth all season.

    3rd season now and it still works great!

    • Familiarity: I've put it through the wringer

    I've put almost 10,000 miles on this bottom bracket with my SRAM Red cranks and have not had any problems. 2x a year I will remove the BB, clean it, grease the threads, and put it back together. I don't ride in the rain very often, but I do ride through the winter when the BB is exposed all the sand and other crap.

    I'm not sure how often you are supposed to replace a BB, but I can see getting another year out of this one (at least) and if I have to replace it, I know it won't hit my wallet hard at all.

    Avg. ride time: 4h 19m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Works good

    • Familiarity: I've put it through the wringer

    It lets my cranks spin real smooth like