Cane Creek 40-Series ZS (Zero Stack) assemblies feature press-in cups with bearings inside the frame. The 40-Series is the work-horse of Cane Creek's headset line-up and incorporates all the features necessary for a durable, lightweight and long-lasting headset while offering the perfect balance of performance, durability and value.

Separate top and bottom assemblies are available by Cane Creek allowing you to mix-and-match to fit your frame and fork needs.