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Bionicon C.Guide Eco Chain Tensioner

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5.0 out of 5 (1 rating)

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works well but does not fit well

This really quiets the chain on bumpy descents, as well as preventing the frame from getting scratched up (well, it's too late to avoid that for me).

But, the mount does not fit well unless the frame or chain guide is parallel to the chain.

Per other review comments I read elsewhere, I jammed several layers of an old inner tube on one side of the mount to even it out the horizontal level, but there was nothing I could do to change the twist (is it yaw?) angle.

Also note that using this means the chain must be 2 or 3 links longer - don't get this unless you are also buying a new chain, or are ready to add extra links to your current chain.

I give it 5 stars for functionality, 2 for price, and 2 stars because it can't be easily or properly installed on my bike.

Pros: Eliminates chain slap.

Cons: Does not fit well unless the frame or chain guide is parallel to the chain.

Expensive for 14 grams of plastic. (Anyone have a 3D printer?)

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: June 11, 2014
Reviewed by: Patrick M.

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