Surly Tuggnut Tensioner. Tuggnut Chain Tensioner. For Horizontal type Surly dropouts Incorporates Bottle Opener. Forged Stainless Steel. Features 2 axle holes for large range of fore & aft adjustment &
Includes:: 10/6mm adaptors to allow either nutted axles or QR skewers to function with these tensioners.NB Sold EACH