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SR52 Cage for SRAM 1x Mechanical

Use our derailleur cage to increase the maximum sprocket capacity of your SRAM 1x derailleur for wide-range 1×11 or 1×12 drivetrains. Convert a SRAM 1×11 derailleur with a 28t, 36t or 42t limit into a wide-range mech ready for 52t cassettes. If your derailleur is SRAM X Actuation*, add a Ratio Cable Fin to use it with your road shifters.

If you’re not sure which kit or parts you need, please check our Kit Guide.


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This SR52 Cage for SRAM 1x Mechanical features 7075 aluminium plates with Delrin jockey wheels, all machined in house by Ratio in the Lake District, UK. #madeinthelakes

The derailleur cage is compatible with mechanical SRAM 1×11 derailleurs with Type 2.x and Type 3 clutches including both road & MTB versions, as well as SRAM 1×12 Eagle derailleurs. Electronic Eagle AXS* derailleurs are not compatible.

Designed to increase the capacity of your 1×11 derailleur, or as a direct replacement for damaged SRAM Eagle* derailleurs, this cage makes your mech compatible with cassettes with up to 52 teeth. It comes pre-fitted with 12t upper & 14t lower jockey wheels, both spinning on sealed Enduro bearings. The jockey tooth profile builds on knowledge gained designing our Ratio Ring, and the lower jockey also features narrow-wide teeth for improved chain retention.

Want to use the SR52 Cage for SRAM 1x Mechanical to upgrade your 1×11 SRAM Road drivetrain to wide range 1×12? We offer it as part of our 1×12 Wide Ratchet & Cage Kit which also contains our 1×12 Wide Ratchet.

For information on how to install the cage, see our SR52 Cage instructions.

All products we offer for sale on our website are Ratio Technology products unless stated otherwise. All third-party products, company names and logos remain the property of their respective holders and use of them does not imply any affiliation with or endorsement by them.

Ratio Technology Limited is not in any way affiliated with, sponsored or endorsed by SRAM, LLC.

* AXS®, DoubleTap®, eTap®, SRAM®,SRAM APEX®, SRAM EAGLE®, SRAM FORCE®, SRAM RED®, SRAM RIVAL®, X0®, X01®, XX1® are registered trade marks owned by SRAM, LLC. Eagle™, Exact Actuation™, GX™, NX™, SRAM APEX 1™, SRAM Force 1™, SRAM RIVAL 1™, S-series™, SX™, WiFLi™, X-Actuation™,  XD™, XDR™, XPLR™, XX™, Zero Loss™ are trademarks of SRAM, LLC.

Weight 200 g
Cage Compatibility

SRAM 1x Mechanical

Cage Colour

Black, Full Silver – Limited Edition, Silver

1 review for SR52 Cage for SRAM 1x Mechanical

  1. Charles Cooper (verified owner)

    What a great value product. Really very pleased with this. The cage alone is a significant improvement on the SRAM original (I’m replacing a standard 12sp GX) and well priced for a stiffer more robust product. But you get the sprockets as well which a big upgrade on the SRAM originals and an equivalent sprocket upgrade costs a lot if bought separately from other third party manufacturers. But most of all, the service is exceptional. I didn’t receive my cage due to the carrier messing up (no fault of Ratio btw). I had a big trip planned, a wrecked cage and needed a new one promptly. Ratio simply sent me another as ‘next day’ delivery. Wonderful! Buy here!

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