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Union Dynamo Bracket for Left or Right Hand Fitting Bottle Dynamos

Customer Reviews (2)
4.5 / 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 : 
Fits to front or rear of bike.

Grub screw not included.

Finish: Bright plated.
Product Reviews (2)
Questions & Answers (2) Q & A
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Product Reviews (2)
Overall Product Rating 4.5 / 5
It works
By Forbes Stewart
10 Jun 2021
4 / 5
I recommend this product
ConsBolts not hex key
ProsIt works
It works fine, one again thanks to SjS for stocking this
Dynamo Bracket
By mark
15 Feb 2011
5 / 5
I recommend this product
Consno earthing grub screw
Perfectly decent dynamo bracket. However it comes without grub screw so you can't use it for earth return through the bike frame. Not a problem as I double wired my setup. I use an AXA dynamo which works well. It cost 11 Euros but for some reason is not available at sjsc.
Questions & Answers (2)
11 Apr 2020
What would be the minimum diameter required?

Do you have measurements when both clamps are fully pushed together?

Thank you
Hi, the minimum tube diameter is 11mm. But you could use packing or a spacer for smaller tube. Thanks 13/04/2020
Maximum size front fork fitment?
04 Apr 2018
The front forks on my trike are 36.5 wide (diameter).

Will this clamp/bracket be suitable (if I use longer bolts than those supplied with the bracket)?

If not, do you sell anything that would be suitable? I would be using the clamp/bracket to support an AXA HR bottle dynamo.

Thanks in advance.


Hi there, the maximum this would take is 20mm.

For that sort of size we would recommend having something custom made.