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Shimano Deore XT WH-M778-F Steel Ball Bearings 5/32 Inch - 34pcs - Y4FE98030

Customer Reviews (1)
5 / 5| Write your review
£3.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
For use with Shimano Deore XT WH-M778 front wheels.

These Steel Ball Bearings can also be used on the following:

Rear Hubs
- Shimano 105 FH-R7070
- Shimano FH-MT400-B
- Shimano FH-MT400
- Shimano FH-RS470

Front Wheels
- Shimano Deore XT WH-M776-F

Rear Wheels
- Shimano Deore XT WH-M8020-TL-R12-275
- Shimano Deore XT WH-M8020-TL-R12-29
- Shimano WH-MT600-TL-R12-B-275
- Shimano WH-MT600-TL-R12-B-29
- Shimano WH-MT600-TL-R12-275
- Shimano WH-MT600-TL-R12-29
- Shimano WH-MT500-CL-R12-B-275
- Shimano WH-MT500-CL-R12-B-29
- Shimano WH-MT500-CL-R12-275
- Shimano WH-MT500-CL-R12-29
- Shimano WH-MT35-R12-275
- Shimano WH-MT35-R12-29
- Shimano WH-MT15-A-R12-275
- Shimano WH-MT15-A-R12-29
- Shimano WH-RS171-CL-R12-650b
- Shimano WH-RS171-CL-R12-700c
- Shimano WH-RS170-CL-R12

These are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

Genuine Shimano replacement part.
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Questions & Answers (3) Q & A
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Product Reviews (1)
Overall Product Rating 5 / 5
Ball Bearings
By James
23 May 2018
5 / 5
I recommend this product
ConsSmall and easy to loose.
Not much to say about them really. They're round, quite small, shiny. Bought to replace my FSA headset bearings during routine maintenance. Shimano seem to do the best quality loose ball-bearings. Have tried others over the years, such as Weldtite, and they've gone rusty in the past.
Questions & Answers (3)
Quality/grade of these balls and can they be used in headsets?
23 Apr 2018
What is the grade of these balls?
And can they be used in headsets?

Looking for balls for the following 2 headsets -
Shimano 105
Shimano 600 ultegra tricolor
Hi there,

Yes, providing these are the correct size you could use them in a headset.
The only information we have is that they are steel.

Will These Balls Suit My Deore Xt Rear Hub?
10 Apr 2017
Ref Shimano 5/32" balls

Unfortunately these will not be the correct replacement bearings for your XT hub. You'll need to check the age of your hub as some of the very old ones use 1/4" balls wheres as most of the current ones use 3/16" balls.

Shimano Bearing Compatibility
08 Nov 2016
I need some 5/32" bearings for my Shimano Ultegra WH-R600-R rear wheel but the parts are out of stock (SJS part # 32684, Shimano part # Y4BR98130).

You have some Shimano Deore XT WH-M778-F bearings of the same size in stock (SJS part # 32691, Shimano part # Y4FE98030).

Is there any reason why I couldn't fit the XT bearings to my Ultegra hub? Are they a different material or grade that would not be recommended?

These bearings can be fitted instead, they will be a grade below what you currently have fitted but they are still high quality bearings.