Shimano XT/SLX M770/M660 Bottom Bracket

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Top Features:

  • Light weight seal structure helps to remove vital grams
  • Sealed cups keep out dirt and water
  • Maintenance free
  • Compatible with 68 mm and 73 mm shell
  • Durable silver anodised finish
  • Easy installation

Product Data

  • Bottom Bracket Type: Threaded
  • Bottom Bracket: BSA
  • Commuter: Yes
  • Touring: Yes
  • Cyclocross: Yes
  • Time Trial: Yes
  • Road: Yes
  • MTB: Yes

Description

The Shimano XT/SLX M770/M660 Bottom Bracket is extremely lightweight and durable, meaning you can keep your weight at a minimum without worrying about replacements through wear and tear. Sealed cups at either end have also been included to prevent any water and dirt from entering.

Returns

We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.

Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.

Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.
More information on Wiggle's return policy

Customer Reviews

Shimano XT/SLX M770/M660 Bottom Bracket is rated 4.5 out of 5 by 48.
Rated 4 out of 5 by from Good product that just works! Very happy with Shimano BB. I'd like them even more if the bearings lasted a bit longer BUT they're pretty good already!
Date published: 2017-11-22
Rated 5 out of 5 by from great price performance lightweight, reliable, affordable. what more coud you expect from BB?
Date published: 2017-01-04
Rated 5 out of 5 by from Bearing up Good product and good value. Doddle to fit and works as it should. Second Shimano BB I've replaced and only because I've used/abused them for some time so decided to replace prior to failure.
Date published: 2016-12-17
Rated 4 out of 5 by from Excellent quality, very smooth BB Well worth it for the money. Very smooth BB, easy to fit and virtually maintenance-free thereafter.
Date published: 2016-12-11
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Q & A

Will this replace my worn BB51?

Can I fit this in place of my worn out BB51 bottom bracket? thanks Chris
Asked by: saladfunky
This would be a suitable replacement.
Answered by: WigglePaul
Date published: 2015-05-06

Will this replace my worn shimano square taper BB?

I'm intending to also replace my worn crankset for a shimano hollowtech type.
Asked by: Rockster57
While the bottom bracket *may* fit the frame, square taper takes different cranks, so be aware that these would need changing too.
Answered by: wombat20
Date published: 2017-01-29

will this BB fit my shimano XT FC-M771 crankset 170mm

Asked by: Toback
It should be fully compatible with that crankset. I've run a very similar combo myself as do most I ride with.
Answered by: JimJunkie
Date published: 2015-04-19

Does this inclue bearings? follow-on

Can Wiggle clarify? I last replaced the bottom bracket a few years ago and from memory didn't need to buy barings separately: they are sealed inside the cups supplied.
Asked by: IJH1
Yes, the bearings are sealed inside the cups.
Answered by: Coaster51
Date published: 2014-11-23

Is this bottom bracket compatible with a Race Face X Type crankset?

Asked by: VBoost
Yes that's how l have used them. A perfect substitute.
Answered by: Hut307
Date published: 2014-09-13

Will this work with m760 cranks?

Asked by: WillTB
I can confirm this should be compatible without any issues.
Answered by: WiggleAndyE
Date published: 2014-06-03

Will this work with Shimano FC M590 deore triple chainset?

Asked by: tripletman2
You will require the following bottom bracket:
Answered by: WiggleKris
Date published: 2015-06-29

Is this English (BSA) or Italian threads?

Asked by: Casey7
This is compatible with compatible with 68 mm and 73 mm shells.
Answered by: WiggleKingL
Date published: 2015-09-18

Will this XT bottom bracket fit my FC-M7601 crank

( It looks the same as on the photo)
Asked by: Cycling22
I can confirm that this would be compatible with your chainset.
Answered by: WiggleChris
Date published: 2016-12-14

What bottom bracket do I need for my 2013 cube 120 ams

Asked by: lezah
Please can you drop us an email providing us with a little more information on your bike - http://www.wiggle.co.uk/ContactUsForm
Answered by: WiggleCraig
Date published: 2015-10-06
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