Ratio’s 1×12 Road Upgrade Kit Converts 10 or 11 Speed to 12

Ratio’s new 1×12 road upgrade kit allows you to pair 10 or 11 speed mechanical SRAM shifters and a 1x-specific Exact Actuation™ derailleur with a 12 speed eTap™ AXS™ cassette and chain. With it you can gain all the advantages of greater gear range and closer gear ratios without the expense or weight of electronic shifting.

The Ratio 1×12 Road Upgrade Kit allows you to operate a SRAM eTap™ AXS™12 speed cassette and chain with your existing SRAM road 10 or 11 speed shifters and 1x-specific Exact Actuation™ derailleur.

Using a 1×12 Road kit gives you following advantages:

  • Greater gear range and/or closer gear ratios than 11 speed
  • Lower cost than wireless electronic. Save $1800 on a Force™ build; $800 saving on a Rival™ build
  • Lower weight. Save 160g on a Force™ build; 220g on a Rival™ build
  • No batteries to keep charged
  • The reliability and serviceability of mechanical shifting
  • #humanpowered

In your kit you will find:

  1. Ratio 1×12 Road ratchet, with shift spacing specially designed for AXS™ 12 speed cassettes
  2. Ratio 12 tooth jockey wheels with stainless Enduro bearings and labyrinth seals, specifically designed for AXS™ Flattop™ 12 speed chains
  3. M2.5 screw for shifter ratchet replacement
  4. Ratio chainstay sticker

To use this kit you will need:

  1. SRAM 10 or 11 speed road shifters. If using 10 speed shifters you will also need a cable spool available separately here
  2. SRAM 1x derailleur from the Force 1™, Rival 1™ or Apex 1™ groups
  3. A SRAM 12 speed eTap™ AXS™ 12 speed cassette from the Red™, Force™ or Rival™ groups
  4. A SRAM 12 speed eTap™ AXS™ 12 speed chain from the Red™, Force™ or Rival™ groups
  5. A chainring compatible with the 1×12 speed eTap™ AXS™ groups
  6. An XDR™ freehub.

Here’s a quick look at the install process

The kit is $99 direct from Ratio


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