The upper PRO IS headset with integrated cups comes with high quality double sealed cartridge bearing.
The delivery includes an ahead-cap, bolt and starnut.
The name
IS41/28.6
describes the integrated 1 1/8″ Ahead headset according to Cane Creek standard. The S.H.I.S. denotation (see attachment) of the upper part offered here is IS41/28.6.
Construction type (Ahead/Thread): ahead
Included in delivery: upper headset with aluminum cap, starnut, steel bolt
Material: aluminum, steel
Weight supplement: headset only – starnut, bolt, cap additional 25g – weighed by Bike24







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