PRO Headset Lower Part 1.5 Inches IS52/40

Due the high number of combinations for upper and lower headsets PRO offers its upper and lower headsets separately. So you can arrange your own individual solution for your frame and fork. The lower PRO IS headset with integrated cups comes with a high quality double sealed cartridge bearing. The delivery includes an ahead-cap, bolt and starnut. The name IS52/40 describes the integrated 1.5" Ahead headset according to Cane Creek standard . The S.H.I.S. denotation (see attachment) of the lower part offered here is IS52/40 . Construction type (Ahead/Thread): ahead Included in delivery: lower headset with crown race, cap, starnut, bolt Material: aluminum, steel Weight supplement: headset only - starnut, bolt, cap additional 25g - weighed by Bike24