Free Shipping on Orders Over $99

Free Shipping Policy

Free Shipping applies to all orders placed for $99 and above
(pre-tax value). Some restrictions apply:

  • Offer valid in the Lower 48 States only
  • Excludes Travel Cases and some other oversize items (prices can be calculated in the cart before checkout)

Surly Singleator Chain Tensioner

Installing horizontal dropouts on your frame can be difficult and/or expensive, particularly if your steed is of the aluminum variety. The 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 drive trains.


  • Triple sealed reversible spring with greater spring tension and wrap capacity
  • larger cog capacity
  • chain-rejection protection
  • fully adjustable chain line
  • floating tension pulley
  • stainless steel pivot bushing

    Please note: this is intended to be used with a free-wheel only don't use it with a fixed gear setup

  • $50.00
    Item is in stock


    No reviews. Be the first. Write Review