Park Tool Chainring Nut Wrench

Park Tool CNW-2 Chainring Nut Wrench makes chainring bolt installation and removal easier. If there rusted be sure to use shop rags to protect your knuckles! It securely holds the slotted nut to prevent spinning when tightening or loosening the bolt. And, it’s double-ended to fit most slotted-type nuts, including Campagnolo chainring bolt nuts.

Product details

1. Makes chainring bolt set installation and removal easy
2. Securely holds the slotted nut to prevent spinning of the bolt
3. Double-ended to fit most slotted-type nuts
4. Outer width of both ends of the are nominally 12mm wide
5. One end has a two outer tips nominally 2.7mm wide each
6. One end has tips of 3.8mm wide each
7. The blade thickness is nominally 1.35mm