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Shimano Ultegra FC-6600 Crank Arm Fixing Bolt - Y1G311000

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Questions & Answers (2) Q & A
For use with Shimano Ultegra FC-6600 10spd Double Chainsets.

This Crank Arm Fixing Bolt can also be used on the following chainsets:

- Shimano Ultegra FC-6650-S
- Shimano Ultegra FC-6603-A
- Shimano Ultegra FC-6603
- Shimano Ultegra FC-6600-A
- Shimano 105 FC-5650
- Shimano 105 FC-5603
- Shimano 105 FC-5600
- Shimano FC-R700

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

If the correct Crank Arm Fixing Bolt is unavailable you can also use the Bolt from the following chainset:

- Shimano FC-R600

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

Genuine Shimano replacement part.
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Questions & Answers (2)
Does It Fit For Ultegra Fc6600 ? What Is The Diameter Of The Bolt ?
09 Feb 2016
I bought one M20 size from another source but turned out to be larger than it is supposed to be.

This is indeed the correct crank bolt for use with your FC-6600 Ultegra chainset. The diameter of the bolt is 15mm.

Can You Tell Me If This Will Work With Ultegra Sl 6601?
09 Jun 2015
Can you link me to 1 that will work with ultegra sl 6601 please?

This bolt has the wrong sized thread to fit the FC-6601 chainset, the correct bolt you need is SJSC part 14614.