Park CT-4.3 Chain Tool. Specially designed to work with the tight tolerances and narrow profiles of 10- 12-speed chains, but also works on 1/8″” and older derailleur chains.

• Integrated Link Pocket ensures precise alignment
• Replaceable, rotating pin
• Includes peening anvil that allows for peening of Campagnolo11-speed chains, which pivots out of the way when not in use
• Compatible with Sram Eagle hollow pin chains
• Type: Pin Tool
• Drivetrain Speeds: 12