Surly Singleator Black Teeth-36T BB Shell Width (mm) 100

BB Shell Width (mm) 100 BB/Frame Interface English Bottom Bracket Shell I

And that muscle is needed when zipping around cars and corners at full pace

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Surly Singleator Black Teeth-36T BB Shell Width (mm) 100Surly Singleator Black. 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