Spotted: Ratio Prototype Direct-Mount Derailleur Could Beat New SRAM Eagle DM to Market

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Spotted: Ratio Prototype Direct-Mount Derailleur Could Beat New SRAM Eagle DM to Market
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Ratio are working on a prototype Direct-Mount derailleur upgrade kit for the UDH standard. Will it beat SRAM's rumored Eagle SL DM to market?

Spotted overnight on Ratio Technology’s Instagram, it seems they are developing a prototype Direct-Mount rear derailleur kit to work with SRAM’s latest UDH dropout/hanger standard.

rumored to be dropping any day now… perhaps Ratio could even beat the big drivetrain maker to market with a similar, but profoundly more affordable upgrade option…which would have been limited to a max 42T cog.upgrades the old mountain bike derailleur to 12-speeds and a big Eagle cassette up to 52T – for £90 or ~$80€.

Then, it looks like they have entirely removed the upper B-knuckle – easy enough on this top-tier derailleur fromsince its pivots were already rebuildable. And Ratio swapped in their own – presumably 3D-printed metal – B-knuckle with a direct-mount interface to the UDH-ready dropout. That’s it. That’s all we know for now. No word on if, when, or how much the B-knuckle would cost, or what existing derailleurs would be compatible.

But we’ve reached out for a comment, and will certainly be closely watching Ratio’s social media feeds for further teases and more concrete details.

We have summarized this news so that you can read it quickly. If you are interested in the news, you can read the full text here. Read more:

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