Park Tool SW-42 Four-sided Spoke Wrench AI while RaceGuard puncture protection adds

while RaceGuard puncture protection adds extra defence against road debris and everyday hazards

Compatible with standard QR & 12mm thru axle dropouts

Secret Chain Blend is the only hot wax lubricant to have a specifically matched and compatible drip wax which can be used to 'top off' the wax as needed

Sold individually

the insert has been designed to be cut according to the desired wheel diameter

Park Tool SW-42 Four-sided Spoke Wrench AI while RaceGuard puncture protection addsUnique four sided design provides extra strength and support and helps prevent slipping and deformation of aluminum nipples. Uses the same world famous design and high quality materials as our three sided spoke wrenches. Specifications Four sided Sized for 0. 136" (3. 45mm) nipples Same size as the SW 2 (red) Fits common Edco, Wheelsmith and DT square nipples, among others