Technical De
Top Head Tube Inside Diameter:42mm.
Stem Clamp Diameter:28.6mm
Bottom Head Tube Inside Diameter:52.10mm
Crown Race Seat Diameter:39.8mm
Top Stack height:5.5mm
Bearings;2 x angular contact cartridge beaings.
Weight: grams(include top cap ,alloy bolt)
Colors:Black/Silver/Red/Blue/Gray/Gold/Pink/Green.