Columbus | Cicli Corsa
Expander for Carbon Steerer
The Columbus Expander, designed for threadless carbon steerers, is perfect for any Columbus carbon fork with a carbon steerer.
Carbon expanders are available in two sizes, 1" and 1-1/8". They have a dual, knurled aluminum expander wedge-rings for securing and setting compression tension with threadless headsets.
Includes: expander kit with bolt and aluminum stem cap.