Want to keep your headset tight and hate the star nuts? Well here is a great solution that also has a built in safety feature. The Sinz Stem Lock clamps from the top of the stem to the bottom of your fork, holding everything in place and your headset tight.
Available in 1” or 1 1/8th , the stem lock adjusts from 175mm to 270mm.

Model #	Size	Weight
	1" or 1 1/8th	2.5 oz.