SURLY Singleator Chain Tensioner - Black Compatio_Enriched One oversized spindle to work

One oversized spindle to work across every bottom bracket standard

Compatible with both road and mountain bike brakes

a native of South Africa

Two piece set

SURLY Singleator Chain Tensioner - Black Compatio_Enriched One oversized spindle to workSurly 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 Source: Quality