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Ratio Mech
- modular wide-range 1x mechanical rear derailleur, with all-new geometry based on Ratio drivetrain modelling
- 7075 alloy hanger, outer links, cage & pulleys
- alloy parts CNC-machined in-house by Ratio
- Polyamide 12 Nylon polymer knuckles and inner link plates
- Multi Jet Fusion technology PA12 3D-printed in the UK
- self-contained “wrap spring clutch” mechanism built-in for chain retention
- max 46T short cage or max 52T long cage options (swappable with one T25 bolt, without any loose spring)
- Cage Stop lock makes wheel removal and servicing easy
- conventional Hanger mount or UDH-style Direct Mount (aka SRAM Full Mount)
- mounts-type can be interchanged with the appropriate Ratio small parts kit
- modular cage fins available for “all modern 1x drivetrains, including road, gravel and MTB, SRAM and Shimano“
- cable routing layout (with barrel adjuster) designed to be “compatible with all road, gravel, and MTB frames“
- user serviceable and rebuildable with no special tools
Ratio Mech: Hanger mount, Short cage
Direct Mount, Long cage
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