https://redshiftsports.com/products/shockstop-suspension-stem

90mm length, +/-6 deg, 266 g, up to 20mm suspension. 

Cost $305 with tax - Sale $200.  

30 day money back guarantee if not satisfied.

I am selling as I'm buying the 55mm length ShockStop stem which fits my bike better.

The patented ShockStop Suspension Stem smooths out road imperfections, reducing fatigue and strain. Whether you're on a local group ride, or exploring gravel back roads, the ShockStop Stem will make your ride smoother, faster, and more comfortable.

-For drop handlebars on road/gravel bikes

-Steerer: Standard 1-1/8 inch (28.6 mm)

-90mm length, +/-6 deg, 266 g 

-Effective suspension travel: Up to 20mm

-Includes 5 swappable elastomers to fine tune your riding style