Park Tool SW-40 Four-Sided Spoke Wrench E1 Compact minipumpDesigned to be carried

Compact minipumpDesigned to be carried on ridesMagnet Lock systemResin barrelLightweight and compact designPresta/Schrader compatibleMaximum pressure: 11 Bar/160 PSI

deep coverage on the sides for stronger protection and the Lazer TurnSys system for an easy to adjust fit on the go

The design team nailed it and capped it off with a clean aesthetic

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

Separate face-plate clamps allows for a highly accurate fit

Park Tool SW-40 Four-Sided Spoke Wrench E1 Compact minipumpDesigned to be carriedThe 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.