Park Tool SW-40 Four-Sided Spoke Wrench E1 such as high-speed descents

such as high-speed descents

and once it gets a little stinky

best fit for performance cyclists

The ergonomic shape of the handle fills the ball of the hand well

metalworking ability and mechanical skill are all equally showcased in these beautifully built cassettes

Park Tool SW-40 Four-Sided Spoke Wrench E1 such as high-speed descentsThe Park Tool SW 40 uses the same world famous design and high quality materials as our three sided spoke wrenches, with a unique four sided wrench design for extra strength and support to help prevent slipping and deformation of nipples. Each SW 40 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. Features Sized for spoke nipples with 3. 23 mm (0.