Surly Singleator Single-Speed Chain Tensioner - Black MFPN=117101-41 Compatible with the Shimano 105

Compatible with the Shimano 105 5700 / Tiagra 4600 10-speed road systems Adjustable Reach No Brake Lever Actuation Short Pull Cassette Spacing Shimano RD 10 Color Black Defined Color List Black Drivetrain Speeds 10 Rear Der/Shifter Compatibility Shimano Road

Do NOT fit on the cranksets for Shimano DA 9000 / Ultegra 6800

Mini Strap and Accessory Mount

Ideal for folding bikes such as Brompton Tern Dahon and others

Surly Singleator Single-Speed Chain Tensioner - Black MFPN=117101-41 Compatible with the Shimano 105The Surly 1x1 Singleator offers a reliable adjustable solution for tensioning chains on singlespeed drivetrains with vertical dropouts. Designed to mount directly to a standard derailleur hanger the Singleator features a triple sealed spring floating 11 tooth pulley and fully adjustable chain line. Its forged body and stainless steel pivot bushing ensure long term durability while chain guides and a wide cog capacity support consistent quiet