ETR-B

$60.00
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  • ETR-B
  • ETR-B
  • ETR-B

ETR-B

$60.00
Loading reviews...

The ETR-B is back! This bottom bracket chain tensioner does what no other chain tensioner can do. By applying the spring tension around the chainring, it allows the rear drop out area to be simple, uncluttered and lighter. No more deraillers sticking out and getting caught in anything! This can be used with or without our current arsenal of tensioners.
Choose your wheel position. With the ERT-B you can easily place your wheel wherever you want in the dropout without having to worry about chain tension.
You can easily swap gearings and still maintain the same wheel position.
No more loose or tight spots! Constant and consistent tension is applied to the chain.

Fitment Warning: This mounting configuration will require that the frame does not have: ISCG Tabs nor pressed in BB. Carbon frames with a different  Outside Diameter will also affect the fitment of the Adapter.

ETR-B Instruction (PDF)

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  • Customer Reviews

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