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Shimano Deore XT FC-M780 Double Gear Fixing Bolt & Nut Set - A Type - M8 x 9.1mm - Y1MM98090

£18.99
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£18.99 Please note this product has selling restrictions to your country. was
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Details
Product Reviews (0)
Questions & Answers (2) Q & A
Details
For use with Shimano Deore XT FC-M780 10spd Triple Chainsets.

This Double Gear Fixing Bolt & Nut Set can also be used on the following chainset:

- Shimano Deore XT FC-T781

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

If the correct Double Gear Fixing Bolt & Nut Set is unavailable you can also use the Bolt & Nut Set from the following chainsets:

- Shimano Deore XT FC-M770-10
- Shimano SLX FC-M660-10
- Shimano FC-T551

These are a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.

Genuine Shimano replacement part.
Specification
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Questions & Answers (2)
What is the difference between type A (Y1MM98090) and Type B (Y1MM98120)?
By
05 Nov 2018
Both descriptions say for use on a triple crankset but there must be a difference.
Hi

The B-Type chainring for this chainset doesn't have a recess around the bolt hole unlike the A-Type so the chainring bolt design in slightly different & given a different Shimano part code. I hope this helps.

Regards 05/11/18
10 speed Shimano FC-M780 to 9 speed
By
29 Oct 2018
I have an unused Shimano FC-M780 crankset. My intent is to set it up for 9 speed use, preferably with TA Chinook rings (SJS Cycles part nos. 3055T24, 16605S32, 16608S44). What is your general advice (esp. regarding the chainring width)? Are these the right bolts? Which bolts would be needed for the inner ring?
We have not tried or tested this set up, we could not advise to the correct bolts etc.

Thanks - 30/10/18