Park Tool SW-40 Four-Sided Spoke Wrench cassons The stem is one piece

The stem is one piece of solid 7000 series aluminum extruded billet precision

during assembly and disassembly

Charge time (hours) : 1:45

Wider tyre option: With 25mm clinchers becoming the standard if not the new minimum sizing for road riding and racing

Park Tool SW-40 Four-Sided Spoke Wrench cassons The stem is one pieceThe 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.