*SURLY* 1X1 singleator (black)

"1X1 Singleator" chain tensioner from SURLY.

The masterpiece chain tensioner developed by Pete Geigle a Midweat single-speed legend.

It allows you to convert your bike into single-speed by putting this thing on the derailleur hanger of your frame.

Features of strong spring tension and covers a wide range of gears.
Easily adjustable and it keeps a chain in place firmly.

Compatible with both "Push Down" and "Push Up".
1X1 Singleator comes with "Push Down" spring installed and "Push Up" spring in the package.

You don't have to use an eccentric hub or BB for single-speed anymore!

Goes great with both 1/8" (BMX) and 3/32" (geared bikes) chains.

*"Push Up" spring included.