Park Tool introduced the three-way hex wrench over 40 years ago. Our Y-shaped wrenches fit perfectly in the palm of your hand and offer excellent leverage, making them a mechanic's favourite.
Super narrow chain for 3x10-speed
A special chain connector tool (TL-CN23/CN32) is required for the CN-6600
Not compatible with 9-speed systems
Weight: 280g (116 links)