Park Tool HWC-17 Cog and Bottom Bracket Wrench insight saddle Box or Answer plates with

Box or Answer plates with specific background colors

Lightweight and durable for long-lasting use

Constructed with an aerodynamic poly-alloy shell for reduced drag and enhanced performance

These are designed to handle the biggest jumps and cases without bending

Park Tool HWC-17 Cog and Bottom Bracket Wrench insight saddle Box or Answer plates withThe HCW 17 features two different radius hooks for a precise fit on many cassette hub and fixed gear lock rings. The HCW 17 has two different ends. USE: For cassette fixed gear lock rings FEATURES: *Sized to fit rings with an outside diameter of 41 44mm. *Also fits cassette hubs using lock rings with external notches *11 5 8 (29cm) in length for excellent leverage.