Squire Chain Tensioner, Black

- Lightweight sprung type chain tensioner replaces derailleur for running a 1-speed drivetrain on a vertical dropout frame\n- Variable tension and position (can be used on rigid frames or suspension frames with varying chain length)\n- Supplied with 2 springs to provide pull-up or push-down function\n- Superlight CNC machined alloy body, pivot bolt and sealed bearing pulley\n- Steel no-jump guide cage