The Ritchey WCS External Cup EC Threadless Headset is the dependable workhorse of the Ritchey threadless headset range, built to deliver smooth, reliable performance ride after ride. Lightweight, precision-machined alloy cups combine with sealed 45/45-degree cartridge bearings for consistent steering feel, while the sealed construction helps minimise ingress from the elements for lasting durability.
Features
 • Lightweight, precision-machined alloy cups
 • Sealed 45/45-degree cartridge bearings for smooth steering
 • Sealed design helps minimise penetration from the elements
 • Reliable threadless headset for consistent everyday performance
 • Supplied with Ritchey Grease
Specifications
 Material: Alloy
 Stack height: 28mm (1"), 28.5mm (1 ?”)
 Stack height upper: 15.5mm (1"), 15.4mm (1 ?”)
 Stack height lower: 12.5mm (1"), 13.1mm (1 ?”)
 Headtube ID: 30.2mm (1"), 34mm (1 ?”)
 S.H.I.S. upper: EC30/25.4 (1"), EC34/28.6 (1 ?”)
 S.H.I.S. lower: EC30/26 (1"), EC34/30 (1 ?”)
 Bearings 1": 41.0/30.15/7mm 45°/45° sealed cartridge (ACB)
 Bearings 1 ?” upper: 41.0/30.15/7mm 45°/45° sealed cartridge (ACB)
 Bearings 1 ?” lower: 41.8/30.5/8mm 45°/45° sealed cartridge (ACB)
 Weight: 106g
 Type: Threadless