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1x13C Upgrade Kit

£99.50

This upgrade kit allows you to pair 10 or 11 speed mechanical SRAM shifters and a 1x-specific Exact Actuation™ derailleur with a Campagnolo Ekar™ 13 speed cassette and chain. You’ll gain all the advantages of greater gear range and closer gear ratios without needing a whole new groupset.

View our Support page here. For more information, check our compatibility guide.

SKU: 0032 Category:

The Ratio 1x13C Upgrade Kit allows you to operate a Campagnolo 13 speed Ekar™ cassette and chain with your existing SRAM road 10 or 11 speed shifters and 1x-specific Exact Actuation™ derailleur. Pair with our Ratio Ring for a 13 speed drivetrain with a minimum of new components.

Using a 1x13C Upgrade Kit provides a number of benefits:

  • Greater gear range and/or closer gear ratios than 11 or 12 speed
  • No need to purchase new shifters and derailleurs to upgrade to 13 speed
  • No batteries to charge
  • The reliability, serviceability and low weight of mechanical shifting
  • #humanpowered

In your kit you will find:

  1. Ratio 1x13C ratchet, with shift spacing specially designed for Campagnolo Ekar™ cassettes
  2. Ratio 12 tooth jockey wheels with stainless Enduro bearings and labyrinth seals, specifically designed for Ekar™ 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 Ratio cable spool
  2. SRAM 1x derailleur from the Force 1™, Rival 1™ or Apex 1™ groups, or a SRAM 1x derailleur from the 11 speed MTB groups with a Ratio cable fin and, if necessary for cable routing, a Ratio rear exit cable stop fitted. Ensure your derailleur has sufficient capacity for your chosen cassette size; note that 42t max derailleurs will shift perfectly on 10-44t cassettes.
  3. A Campagnolo Ekar™ 13 speed cassette
  4. A Campagnolo Ekar™ 13 speed chain
  5. A chainring compatible with the Ekar™ chain, such as our Ratio Ring
  6. An N3W™ freehub body

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 or Campagnolo SRL.

Weight 95 g
Dimensions 17.5 × 11.2 × 2.2 cm
Packaging

To reduce waste we will send orders of over 10 units as bagged kits with one set of instructions rather than individual kit boxes. You can find a PDF of the instructions on our website here https://ratiotechnology.com/support/ . If you have ordered less than 10 kits but would also like to reduce the packaging of your bulk order or have any questions please email us at info@ratiotechnology.com. Equally if you would like the full packaging for orders of 10+ kits drop us a line too.

Large orders

If you wish to order more than 50 kits please contact us directly via info@ratiotechnology.com

HS Code

HS8714995099

Country of Origin

GB

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