Ritchey WCS handlebar

The Ritchey WCS External Cup EC Threadless Headset is the reliable classic in the Ritchey headset range. Lightweight, precision-machined aluminium cups and high-quality, sealed 45°/45° cartridge bearings ensure smooth, long-lasting steering performance. The headset is pre-assembled with Ritchey grease, and the fully sealed design minimises the ingress of water and dirt – ideal for demanding use in all weather conditions.
Note: Product labelling may vary due to the transition to the new WCS logo.

Technical specifications

• Material: Aluminium
• Stack height: 28 mm (1"), 28.5 mm (1 ⅛")
• Top stack height: 15.5 mm (1"), 15.4 mm (1 ⅛")
• Stack height at the bottom: 12.5 mm (1"), 13.1 mm (1 ⅛")
• Head tube ID: 30.2 mm (1"), 34 mm (1 ⅛")
• S.H.I.S. top: EC30/25.4 (1"), EC34/28.6 (1 ⅛")
• S.H.I.S. bottom: EC30/26 (1"), EC34/30 (1 ⅛")
• Bearings (1"): 41.0/30.15/7 mm, 45°/45°, sealed cartridge (ACB)
• Bearings (1 ⅛"):
  – EC34/28.6: 41.0/30.15/7 mm, 45°/45°, sealed cartridge (ACB) – EC34/30: 41.8/30.5/8 mm, 45°/45°, sealed cartridge (ACB)
• Weight: 106 g
• Colour: Black

Compatible frames:
Suitable for classic frames with a 1" or 1 ⅛" head tube. A perfect fit for Surly, Brother Cycles and selected Cinelli modelswith a straight head tube (not tapered).