White Industries External Headset (Black) (1-1/8″) (EC34/28.6) (EC34/30)

The White Industries EC34/EC34 headset is designed to fit frames with straight 34mm/34mm head tubes and straight 1-1/8” (28.6mm) fork steerers. The “EC” stands for “External Cup” meaning the section of the cup that houses the bearing sits outside of the frame’s head tube while the “34” stands for the 34mm “skirt” that presses into the frame.

Features:

• Constructed from US sourced 6061-T6 Aluminum
• Machine engraved White Industries logos
• Easily replaceable bearings
• Split crown race makes for a tool-free installation

Specifications:
S.H.I.S. Upper: EC34/28.6
S.H.I.S. Lower: EC34/30
Steerer Tube: 1-1/8″ (Straight)
Upper Stack Height: 15mm
Lower Stack Height: 12mm
Upper Bearing Contact Angle: 36/45°
Lower Bearing Contact Angle: 36/45°
Crown Race: 30
Color: Black
Weight: 98g