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  • Brand-X Chain Tensioner
  • Brand-X Chain Tensioner
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  • RRP$26.49
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Brand-X Chain Tensioner

A two piece chain tensioning system. The upper body secures to the chainstay via a hinged clamp and bolt, the bottom section swivels and has a roller guide incorporating a cog which will move with each gear shift to maintain a proper chain line. Ideal for trials or street use.

Brand-X Chain Tensioner Features:

  • Hinged clamp
  • Durable roller
  • Lightweight design

Buy Brand-X Chain Tensioner from Chain Reaction Cycles, the world's largest online bicycle store.

  • Colour: Red, Silver, Black
Rated 3.5 out of 5 by 24 reviewers.
Rated 5 out of 5 by Dave's Chain Device on steroids fantastic and versatile little tensioner. A bit old school in principal, but gives you the versatility to choose your own tension. I did have to reverse fit it to the chain stay to get optimal position for it, but does the job perfectly at a fraction of the price of integrated BB chain device. BTW it also works great for tensioning a single speed mtb set up when using vertical drop outs. excellent quality Alu. 05 February 2014
Rated 4 out of 5 by Product arrives in great condition Cant review this as it does not fit on my Xc , the part the tensioner has to lock onto has to be rather thin and cyclindical , couldnt have this put on my bike as it has a more of a Rectangular and Thick tube. 27 January 2014
Rated 3 out of 5 by Per single speed non è il massimo. Montato su city bike single speed ma non risolve bene il problema di caduta catena. O si tende troppo la catena oppure, quando si prendono buche, la catena scende ugualmente e ci si deve fermare a rimettere le cose a posto. Migliora ma non risolve. 09 January 2014
Rated 5 out of 5 by y..not for me :( Product solidly constructed. Severe ... ;/ A minus. I bought it thinking about my arm GIANT REGIN 2/2013 .. unfortunately does not fit. Terminal does not cover my frame. I tried to even change the bolt and does not work. You will have to sell it now. If one looks at weight - I do not recommend. If one looks at the design - would recommend. It must be checked in the field. I gave a good note because I think it is worth the price. 02 December 2013
Rated 4 out of 5 by Good value Good value hard wearing i keep it quiet with some vegetable oil. Ive mounted it logos facing inwards on mine just cos i mainly use the smaller sprockets on the rear and it has started to get a bit stiff after a couple hundred miles. Easy to strip and clean and keeps the chain on my 1 x 9. Would recommend to anyone. Looks great on bike too. 28 September 2013
Rated 5 out of 5 by Отлично работает Мне идеально подошло, встало на перо как влитое. Простота установки. 21 August 2013
Rated 1 out of 5 by Strange size Well i bought this product to help keep the chain on a Carrera titan dual sus bike. The mounting bracket is too small for the chainstay in that it will only fit very close to the rear sprockets making it useless as the tension on the chain would be extreme. Maybe this is item is suitable for single speed bikes. 16 August 2013
Rated 3 out of 5 by Bueno, pero mal amarre. El tensor esta bien pero no es universal, para mi bici le he tenido que adaptar cortandolo enderezandolo y atronillandolo a una abrazadera nueva con la sujeccion que trae el tensor. No es valido para Giant trance, ni reing, que son las que yo tengo, valdria para bicis con bainas finas, tipo bicis rigidas o semirigidas. deberia tener 3 bisagras o de diferentes amarres para que fuese universal. 13 February 2013
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2 Questions : 2 Answers

Product Q&A

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Hi I note many reviewers saying it will not fit their chainstay. Are there any magic dimensions / shapes / geometries to determine whether it will fit before I buy.

The bike is an Islabike Creig 26 which has a 28 tooth chainset ie a kids bike.

I am looking at it as it has a 1 X 10 setup with a top chain guide but is still dropping. Will this act as a guide as well as a tensioner?

I am presuming that if it does fit it should really help as there seem to be less options for bikes with 28 teeth and no isdg tabs.

Look forward to your reply.
Age: 45 to 54
Gender: Male
1 month, 2 weeks ago
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DUNDEE,GB
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Answer: 
The clamp on these was designed for earlier model bikes, with 20mm round or 20x25mm oval chainstay tubes. Anything taller than 30mm and the clamp will not close effectively; you could try a longer bolt but it's less likely to line up straight if you do.

The jockey wheel is not fixed, so it is more of a tensioner than a guide, but will provide a bit of extra guidance. A BB mounted tensioner such as the Blackspire Stinger may help too (the smallest listed size is 32t, but it should work ok with a 28t. You could always take a Dremel or similar tool to mount the roller wheel a little closer to the ring if needed).
Age: 25 to 34
Gender: Male
Attitude: Just for Fun
 
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1 answer

Se puede utilizar en una Scott Genius?

Tengo una Scott genius y una Genius LT, podría utilizarla en sus vainas? Son bastante gruesas, una mide 4x2,5cm y la otra 5x2cm?

Es válido para triple plato?

A la espera de sus comentarios.

Un saludo.
2 months ago
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Answer: 
No recomendamos usar este producto de baja calidad con una bici de alta gama como la Scott Genius. Te recomendamos contactar con Scott para que te recomienden el tensor de cadena apropiado para tu bici.
1 month, 2 weeks ago
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