FSA Orbit XL 2 1 1/8 Inch Aheadset

I recommend this product

This weighs 120g with top cap, star nut and bolt. It has 36x36 degree sealed bearings in two different sizes. They are not common and so you are pretty well locked in to the genuine article. There is an additional seal for the gap between the fork crown and the lower cup. This and some other parts are available as spares. It did not come with any instructions but SJSC have posted a link to the assembly drawing.

I recommend this product

I bought this headset twice on two different bikes and it was the same pleasure ton install, the bearings are very smooth And it comes with all you need, as shown on the picture It seems to be a bargain at this price