Lightweight sprung type chain tensioner replaces derailleur for running a 1speed 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 pullup or pushdown function\n Superlight CNC machined alloy body, pivot bolt and sealed bearing pulley\n Steel nojump guide cage
- model:
- 110-Series upper
- S.H.I.S.:
- ZS44/28.6
- upper/lower:
- upper
- stack:
- 8mm