Full Speed Ahead NO.55R/57-A Headset - For 62mm OD Head tube 1.5" w/TH-874-1 Anodized BLK MFPN=HQ2101-9 0 bead folding type tubeless

0 bead folding type tubeless color anthracite/black weight 805g

Boost front hubs are designed as precision mountain tools

6 Crown Race Diameter 40mm Bearing Grade Stainless Steel S

Tooth Count 42 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 11 Drivetrain Speeds 10 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

Full Speed Ahead NO.55R/57-A Headset - For 62mm OD Head tube 1.5" w/TH-874-1 Anodized BLK MFPN=HQ2101-9 0 bead folding type tubelessThe Full Speed Ahead NO. 55R 57 A is designed for use with 62mm outside diameter head tubes and features high performance 1. 5" Angular Contact Bearings (ACB) with black seals. For use with 62mm outside diameter head tubes Designed for 1 1 8" to 1 1 2" tapered forks Aluminum top cover 1. 5" angular contact bearings provide smooth movement while the black seals offer protection from the elements Compatible with Intense M1 frames S. H. I. S Upper ZS56