![40-Series Lower, IS52/40 Black 40-Series Lower, IS52/40 Black](https://cdn11.bigcommerce.com/s-rwox88pq5a/images/stencil/300x300/products/140443/130061/dc1766__15053.1637352796.jpg?c=1)
`- 10-Series Solutions: separate top and bottom headset cup assemblies for tapered, reducer and conversion applications (mix & match system helps reduce inventory overlap)\n- Same features as the 40-Series headsets with simpler machining and more economical materials\n- Top assemblies include star nut and top cap, while bottom assemblies include crown race\n- Please see: www.canecreek.com/headset-fit-finder for fit information
- model:
- 10-Series lower
- S.H.I.S.:
- IS52/40
- upper/lower:
- lower
- stack:
- 1mm