Check the listing for details. Redshift ShockStop Suspension Stem 6 degree x 90mm. Color: Black, Condition: New. Listed at 179.95 USD. NEW Redshift ShockStop Suspension Stem 6 degree x 90mm 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.The minimal design of the ShockStop Stem blends seamlessly with the aesthetic of modern bikesGo further - reduce fatigue from bumps and vibrationsRide faster - energy that is normally wasted suspending your body is converted into forward motionTake control - customize your suspension feel to float over obstacles and maintain control over rough terrainUnwanted vertical movement is absorbed by twin interchangeable elastomersStem retains torsional rigidity