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4-Jeri Tensioner

Product code: 10179

$21.19

In stock

4-Jeri Tensioner

- Great value coil sprung single speed tensioner from 4-Jeri products.
- CNC machined main supporting arm offers excellent strength against knocks but keeps the weight low.
- Coiled spring offers high tensioner and is more durable than normal springs.
- Infinitely adjustable and secure chain alignment is catered for by the steel wheel-support arm and locking bolt.
- Generously sized (removable) aluminium cages surrounding the jockey wheel ensure the chain stays where it should no matter how rough the terrain.
- Plastic jockey wheel runs on smooth bushings and is nice and quiet.
- Available in black anodised finish.
- 110g in total.

Additional Information

Please note that we recommend double wheel tensioners for 15T and smaller rear sprockets. This is to ensure a healthy amount of chain wrap and help to eliminate the chance of the chain skipping.

Questions

Edward Weiszbeck

Does this tensioner push up or push down on the chain when it is mounted up? Thanks

Posted by Edward Weiszbeck

Reply from TartyBikes

Hi Edward!
This tensioner pushes down on the chain when it's installed on your bike.
Hopefully this helps, but get in touch if you need any more info.

Edward Weiszbeck

Does this tensioner bolt on to your older style vertical dropout derailleur hanger ? Thanks

Posted by Edward Weiszbeck

Reply from TartyBikes

Hi Edward!
This mounts to any conventional mech hanger. If you have any doubts about compatibility, feel free to e-mail us a photo of your frame and we can check for sure for you.
As before though, it fits to any standard or conventional mech hanger so for most frames it should be fine.

Edward Weiszbeck

Hi folks. So what size chain does this prefer to run ? Thanks

Posted by Edward Weiszbeck

Reply from TartyBikes

Hi Edward!
You can use either a 3/32" or 1/8" chain with this tensioner.
If you have any more questions, please ask.

Reviews

Write a review

80%

Based on 1 customer rating

Dave

Real simple for ver dropout frames

Posted by Dave

This was so much betters than any other tensioner I have used. Simple to fit and it doesn't interfere with any other part of the drive or frame or hub. Good stuff 4-Jeri, strange name however.

Reply from TartyBikes

Hi Dave - I'm glad it's worked well for you. The name itself is a play on the word 'Forgery'. Thanks for the review!

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  • © TartyBikes Ltd, 2020
  • Tel. (UK). 01772 32 33 33
  • Tel. (Intl). 0044 1772 32 33 33

TartyBikes Ltd, Units 3-4, Club Street, Bamber Bridge, Preston, PR5 6FN

  • Company No. 6131482
  • VAT. GB 860 0270 59

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