Park Tool SW-40 Four-Sided Spoke Wrench cassons Extensive comparative tests have demonstrated

Extensive comparative tests have demonstrated that the 9-tooth is as efficient as any 10 or 11-tooth sprocket on any system

Length: 89 inches / 226 centimetersThickness: 3

Charge time (hours) : 1:45

during assembly and disassembly

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 Extensive comparative tests have demonstratedThe 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.