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Shimano BB-MT800 Pressfit Bottom Bracket

Item #: BB212M03
USD$13.99 SAVE 46% USD$26.00 msrp
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Shimano BB-MT800 Pressfit Bottom Bracket

Shimano BB-MT800 Pressfit Bottom Bracket

XT has gone 11-speed, and the new Shimano XT Cranksets are spinning on XTR/Dura-ace inspired bottom brackets. They have a smaller bearing size to enhance rolling efficiency and for shaving some weight. They are also better sealed to reject whatever muck mother earth conjures up and tries throw at them.

Shimano BB-MT800 Pressfit Bottom Bracket Features:

  • Small Ball Bearings for Better Rotation
  • Better Sealing
  • Fits Press Fit 92mm BB Shells
4.8 / 5.0
13 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
11
1
1
0
0
Not PF30
I normally don't write reviews so quickly, but i wanted to mention that I confirmed with a Jenson employee that this is not PF30 (the description, as of this review post date, is incorrect), but BB92.

This fits my 2014 Giant Trance 27.5 frame perfectly, for anyone else wondering. Spins smoothly and no creaks on the test ride. Longevity is obviously TBD.
August 3, 2015
Location:
Socal
Smooth
Nice combo with my 2x XT Crank. Very smooth! Very Happy with my purchase.
March 21, 2017
Purchased
7 months ago
Location:
Dubai UAE
Does the job for little $
Bottom Brackets are wear items and should be replaced annually. The MT800 makes it reasonable to do so. At 13.99, its a no brainer. Jenson Customer service helped me choose the right replacement since mine was outdated and replacedwith new #'s. They actually recommended the cheaper of the two possibilities for this press fit BB. 5 stars for both the product and customer service.
August 3, 2017
Purchased
3 months ago
Location:
Atlanta
Wood by again
Always fast delivery and great communications from Jenson USA.
October 19, 2016
Location:
Caldwell, NJ
Of course I'd buy again
Fast service
November 17, 2016
Location:
So. Cal.
Bang for the buck
Very fast delivery and the guys at Jenson were able to help me get the right bottom bracket for my COMMENCAL am v4 build
October 6, 2016
Location:
San Juan Capistrano
BB
New Procalber

PROS: Lightweight

BEST USES: Upgrade, Mountain Biking, New 29er Wbo
March 14, 2016
Location:
The Woodlands, TX
BB-MT800
Fast shipping and packaged securely
August 16, 2016
Location:
Bolingbrook, IL
Shimano BB-MT800
The order was easy, shipping was fast and installation was a breeze

PROS: Easy To Install
December 20, 2015
Location:
Rolesville,nc
Excellent product
Very light and works great
August 26, 2016
Location:
Colombia

Q & A

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Browse 8 questions Browse 8 questions and 11 answers
I'm having trouble trying to figure out if this is the right BB for my 2015 Giant Trance. I am running the stock Shimano Deore Crankset. Thanks
Joe on Aug 2, 2016
Hi, i have scalpel team . today its run with sram and BB30 pressfit. i want to change to shimano xt crank. do i need the xt mt800 or the pressfit version?
moshik on May 5, 2017
Shimano BB-MT800 Pressfit Bottom Bracket
Shimano BB-MT800 Pressfit Bottom Bracket
Shimano XT BB-MT800 Bottom Bracket
Shimano XT BB-MT800 Bottom Bracket
BEST ANSWER: neither of the xt m800 bottom brackets will work in that bike because it uses the bb30 shell. There are companies that make adapters to fit 24mm size cranks into your existing bottom bracket
I've got a Raven Focus 1 2014
does this fit on my bike
PIÑON on Sep 15, 2016
BEST ANSWER: Does this bottom bracket work with the older Shimano XT cranks (hollow tech)?
I have a SM BB 70 bottom bracket on my bike...is the BB MT800 compatible ?
ERIC W on Apr 26, 2017
BEST ANSWER: I did not use the bottom bracket I purchased for your questioned application, but in looking around on the net it appears that the MT800 will easily replace the older BB70 version - just make sure you match the inner bearing inner diameter to your current crankset shaft outer diameter so the parts fit correctly.
will this fit on a 90mm bb press-fit shell (2014 Xprezo wuuu)?
Billy G on Mar 9, 2017
BEST ANSWER: Yes it will but you might have to use a 1.5mm spacer on the drive side if the non drive crank arm doesn't tighten in to preload the left side bearing, when using a Shimano xt crankset.
I have a Specialized Stumpjump comp 2012, diameter 46mm and 73mm witdh. This BB works?
Rafael O on May 29, 2017
BEST ANSWER: Looks like that frame has a PF30 bottom bracket. If you're looking to run Shimano cranks your best bet is a pressfit to threaded adaptor with a threaded bottom bracket. I have attached both.
Shimano XT BB-MT800 Bottom Bracket
Shimano XT BB-MT800 Bottom Bracket
Sram/Truvativ PF30 To 68/73mm BB Adaptor
Sram/Truvativ PF30 To 68/73mm BB Adaptor
hi,
i need a new bottom bracket, i've got a rocky mountain instinct 2014 970msl
does this fit on my bike
jimb on Jun 5, 2016
BEST ANSWER: From the specs chart i found on your bike it shows that it uses a BB92, so it should fit.
What tools are needed to remove and install this?
A shopper on Aug 24, 2017

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.