Cane Creek 40.ZS49 Conversion Top Reduction Headset Upper Part 1.5 to 1 1/8 Inches - ZS49/28.6

The 40-Series sets the standard for performance, durability and value. Drawing from the Premium 110-Series Design, the 40-Series incorporates all the features necessary for a durable, light-weight, long-lasting headset. To make it easier, Cane Creek developed consistent graphics, interchangeable parts and over 40 configurations to meet almost every need. Sold in straight and tapered assemblies or tops & bottoms, Cane Creek's 40-Series offers one of the largest compatibility range of any headset line on the market. Precision engineered by Cane Creek in Fletcher, NC. Compatibility: Interlok® spacer compatible. Internal parts are cross-compatible across the 10, 40 and 110 series. Reduction headset upper part from 1.5" to 1 1/8". The name 40.ZS49 describes the semi integrated (also known as press fit or zero stack) Ahead reduction headset for 1.5 to 1 1/8" conversion and frames with a 49mm inner diameter headtube. The S.H.I.S. denotation (see attachment) of the upper part offered here is ZS49/28.6 . Material: Cups and Covers: 6061 T-6 aluminium Crown Race: Split Glass-Reinforced Polyamide Bearings: Black Oxide Weight supplement: manufacturer information