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Thorn High Quality Alloy Chainguard for 130 PCD Rings up to 42T - Black

Customer Reviews (1)
5 / 5| Write your review
£19.99
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£19.99 Please note this product has selling restrictions to your country. was
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Details
Product Reviews (1)
Questions & Answers (2) Q & A
Details
This chainguard fits in place of an outer chainring on a double/triple, can be made to fit as well as three rings by using longer bolts and 4.6mm spacers if the crank has enough space between the arm and the outer ring. If in doubt ring for advice.
Specification
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Product Reviews (1)
Overall Product Rating 5 / 5
At Last!
By
14 Aug 2011
5 / 5
I recommend this product
ConsExpensive
ProsSolid, well finished
Solid piece of kit which keeps your chain where it belongs!
Questions & Answers (2)
Can this be fitted to Alfine 39 t?
By
24 Sep 2018
I have an Alfine FC S400 with 39 T chainring and no guard, will this fit, and what length bolts would b needed? Also will it fit a Brompton crank with replacement 39 T chainring
No it will not fit a Brompton crank as they are designed for an inner ring only, bolting to the outside is unsafe. It would sit quite proud from the chainring as it is designed for a 42t not a 39t.

Thanks
Thorn Alloy Chainguard
By
31 Aug 2015
Hi, I have FSA Vero SINGLE RING 5 bolt chainset 130 bcd and I have converted from 1/8'' width ring to a 39 tooth, 10 spd chainring for use with a 10 spd block and no front changer. I want to use a chaingring guard and found the Thorn one. I think it will work but I would need correct length chainring bolts and spacers to mount the guard clear of the ring. Not sure what to order, can you help? Regards, John
Hi,

You'll need a set of longer double chainring bolts, the basic ID ones are SJSC part 27234 (just select the double option) and you'll need a set of spacers, these are SJSC part 33189, we'd recommend selecting the 3.8mm size option.

Thanks.