Check the listing for details. Cane Creek Hellbender 70 Slam Upper Headset - IS41/28.6/H4.6, Black. Color: Black, Condition: New. Listed at 54.99 USD. HEADSET CC INT HELLBENDER 70 SLAM UPPER 1-1/8 BK IS41/28.6/H4.6The Hellbender 70 Slam is a premium headset created for riders seeking to lower their handlebars as low as possible without compromising bearing longevity and proper preload. Premium stainless steel Hellbender bearings with 6061 T-6 aluminum cups and covers. Features some of the lowest stack height bearing cover options available. Item Specifications: Size, 1-1/8`, Color, Black, SHIS, IS41/28.6, Cup, 41, Steerer OD, 28.6, Bearing Angle, 36°/45°, Stack Height, 4.6, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us