1×12 Wide Upgrade Kit + Rear Exit SRAM GX Derailleur

£204.50

PLEASE NOTE: Our derailleurs are out of stock. We are expecting new stock in late April.

This upgrade kit allows you to pair 11 speed mechanical SRAM shifters with a 12 speed Eagle™ drivetrain. This is the neatest solution on the market, giving you all the performance advantages of a wide-range 1×12 drivetrain on a gravel, road or touring bike without the expense of electronic shifting.

The kit includes a GX™ Eagle™ derailleur for 10-50t and 10-52t cassettes. Thanks to the rear-exit cable stop, this kit is compatible with all frame cable routing variations.

View our Support and FAQs here.

Out of stock

SKU: 0006 Category:

As cyclists, we design the products we want on our bikes. The Ratio 12-Speed Upgrade Kit allows you to operate an Eagle™ derailleur with your existing SRAM 11-speed shifters, gaining an unbeatable 500% or 520% range and 12 evenly spaced gears on your gravel, road or touring bike. For reference, a traditional 50/34 compact chainset with 11-28 cassette provides only 374% range.

In this kit you will find:

  1. SRAM GX™ Eagle derailleur, pre-fitted with Ratio Cable Fin and Rear Exit Cable Stop*
  2. Ratio 12-speed ratchet with shift spacing specially designed for Eagle™ derailleurs
  3. M2.5 screw for shifter ratchet replacement
  4. Ratio chainstay sticker

To use this kit you will need:

  1. SRAM 11-speed shifters from the Red™, Force™, Rival™ or Apex™ groups or the 10-speed S-700 shifters.
  2. A SRAM Eagle™ 12 speed cassette. We can’t confirm that aftermarket cassettes will perform properly with your drivetrain
  3. A 12 speed chain for SRAM Eagle™ drivetrains
  4. A 1×12 speed compatible chainring

The perfect balance between cost-effectiveness and performance, the GX™ derailleur has the robust aluminium construction and rolling element bearings of its higher-tier siblings without breaking the bank. This second generation Eagle™ derailleur is compatible with both 10-50t and 10-52t cassettes, and has updated cage geometry for improved chain retention.

  • Fitted with our Ratio Cable Fin for compatibility with road shifters. The original X-Actuation™ fin is also included with the derailleur
  • Fitted with Ratio Rear Exit Cable Stop for compatibility with all cable routing types
  • Cage Lock™ is (one of) the best things since sliced bread. No more oily fingers – just engage the cage lock and you can easily remove and replace the wheel while staying stain-free
  • SRAM were the first on the scene with clutch derailleurs and still produce arguably the best clutch around. The maintenance-free roller bearing clutch keeps shifting smooth and chain slap to a minimum
  • The X-Horizon™ cage is designed specifically for the chainline on 1x systems. The orientation of the actuating mechanism means that vertical vibrations aren’t translated into ghost shifts, making the drivetrain much more reliable over rough terrain

To fit your ratchet to SRAM shifters for hydraulic brakes, see the following video*:

 

To fit your ratchet to SRAM shifters for cable brakes, see the following video*:

NOTE: On some older shifters, the reach adjuster will not spin freely when it bottoms out. Stop turning the reach adjuster screw as soon as you encounter resistance.

 

*Please note that modifying these components may void the original SRAM warranty. Ratio Technology Limited is in no way linked to SRAM LLC

Dimensions 20.5 × 20.5 × 11.5 cm

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