Park Tool SW-6 Spoke Wrench - 3.7 mm giant working with most 10 speed

working with most 10 speed and 11 speed chainrings

Owner's Manual

Solocush is our most streamlined cushioned construction

adhesion is guaranteed by industrial-grade acrylic glue

The new Graphene + Silica compound is engineered for long mileage

Park Tool SW-6 Spoke Wrench - 3.7 mm giant working with most 10 speedOur iconic spoke wrenches have been a mainstay of our product lineup since we introduced them over 50 years ago. With their simple design and professional quality, they're still the favorite of bike mechanics around the world. Each Park Tool SW 6 is made in the USA, and is heat treated and nickel plated for long service. Park Tool spoke wrenches are vinyl dipped to indicate the size at a glance. Specifications Sized for spoke nipples with 3. 7 mm (0.