For all classic and retro frames, PROMAX offers a headset designed and developed for 1-1/8 " external steerers running on 1-1/8" straight steerer tube. It has precision annular bearings as well as Aluminum cups and compression star.
FEATURES :
• SHIS: EC34/28.6 | EC34/30
• 45° x 45° angular contact bearings
• CNC machined 6061-T6 aluminum cups
• Aluminum compression star nut
• Weight: 165g
COMPATIBILITY:
• Fits 1-1/8" standard threadless head tube frames (not integrated or internal)
• Fits 1-1/8" Steerer forks
Warning: Last items in stock!
Headset Types | External - EC |
Steer Tube Diameter | 1-1/8" |
Upper Outer Diameter | 34mm |
Lower Outer Diameter | 34mm |
Upper Inner Diameter | 1-1/8" (28,6 mm) |
Lower Inner Diameter | 1-1/8" (30,0 mm) |