Hellbender 70 SLAM IS41/IS52 Created for riders seeking to lower their handlebars as low as possible without compromising bearing longevity and proper preload.. Featuring some of the lowest stack height bearing cover options available. Premium stainless steel Hellbender bearing. 6061 T-6 Aluminum cups and covers. Item Specifications: Bearing Type, Sealed cartridge, Crown Race, 40mm, S.H.I.S. Upper, 52mm, Headset type, Integrated, S.H.I.S. Upper, 41mm, Material, Aluminum, Defined Color, Black, S.H.I.S. Designation, IS41/28.6/H4.6 | IS52/40, eBay Steerer Tube Diameter, 28.6mm, Headset Position, Complete, S.H.I.S. Upper, IS41/28.6/H4.6, S.H.I.S. Lower, IS52/40,.
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