Surly Singleator Chain Tensioner (Black)

Price: $50.00
Discontinued Online
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
Note: Manufacturer does not allow coupons

Surly Singleator mounts right up to your derailleur hanger and provides a simple, effective, and adjustable means of tensioning the excess chain slack found in vertical dropout single-speed drivetrains.


  • Triple-sealed spring, large cog capacity and chain guides
  • Stainless steel pivot bushing
  • Includes two springs for upward or downward tension adjustment
  • Do not use with a coaster brake, fixed gear, multi-cog or multi ring drivetrains
  • Works best with cogs 24T and under
  • Not suitable for use on full suspension bikes
  • Can be configured to push down or push up on the chain. Ships with spring set to push down

Tools Required For Installation:

  • 18mm Cone Wrench
  • 4mm Allen Wrench
  • 5mm Allen Wrench
  • Small flat head screwdriver (Needed for changing spring configuration)
  • Torque Wrench w/ 5mm Allen Head (Torque to 9Nm)

This product was added to our catalog on January 26, 2021