The 40-Series is the workhorse of Cane Creek's headset line-up. Representing the balance of performance, durability and value, the series incorporates all the features necessary for a robust, lightweight, long-lasting headset. External cups press into head tube. Steel crown race with integrated seals. Sealed black oxide bearings. Compatible with straight 1-1/8" steerer tubes, or tapered 1-1/8" to 1-1/2" steerer tubes with a 40mm crown race (sold separately). Item Specifications: Color, Black, Weight, 72, Crown Race, 30, Bearing Type, Cartridge, S.H.I.S Lower, IS52, Lower Stack Height, 1,.
eBay