Park Tool SW-42 Four-sided Spoke Wrench AI Secret Chain Blend is the

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

The high-grip ADDIX Race compound inspires confidence through fast corners and technical descents

T25 and Phillips H2

For front or rear

Chain Length (Links): 120 links

Park Tool SW-42 Four-sided Spoke Wrench AI Secret Chain Blend is theUnique 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