Model: 4 Top Stepdown Top ZS49/28.6 Bottom F-EC49 40
Size: Top 28.6mm and Bottom 40mm
Application: Downhill, All Mountain, Enduro, Cross Country, Trail
Upper Cup: 1.5"
Steerer Tube: 1 1/8" , 1 1/8" - 1.5" tapered
Material: T6 Alloy
Item grade- B (Seen use, but in excellent functional condition, smooth bearings.-no defects)-Unboxed.
Weight 111gr Including Cabletie- So likely 105gr.
Cycletrade Comments: This step down headset is designed to fit frames which are sized to accept 1.5" integral cups, where the fork has a 1 1/8 inch steerer. The headset includes custom made stainless steel bearings (which are replaceable). The cups, taper ring and crown race (which is split for easy installation and removal) are all machined from 2014 T6 aluminium.
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