Pro is one of the most recognized cycling brands in the world, thanks in part to its sponsorship of World Tour teams, and atEscapa we have it for you.The Pro ZS56 40mm Inner Headset Cartridge isa bottom headset cartridge with high-quality steel bearings and double seals.
High-quality bottom headset
Double-sealed bearing
High-quality steel bearings
Anodized aluminum caps
Adapter sets available for 1.5" steerer tubes with 1 1/8" headsets