Redshift
Redshift ShockStop Suspension Stem for Gravel, Road, & MTB Bikes
Redshift ShockStop Suspension Stem for Gravel, Road, & MTB Bikes
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SHOCKSTOP SUSPENSION STEM
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 bikes, while reducing fatigue and strain. Along with the ShockStop Suspension Seatpost, this system works together to suspend the rider and smooth out rough terrain on the bike you already own, making your ride smoother, faster, and more comfortable. Great for bikepacking, gravel biking and commuter e-bikes.
Benefits of a Suspension Stem:
- Go further - reduce fatigue from bumps and vibrations
- Ride faster - energy that is normally wasted suspending your body is converted into forward motion
- Take control - customize your suspension feel to float over obstacles and maintain control over rough terrain
Suspension Stem Features
- The ShockStop Stem is available in two angle options and two steerer tube diameters: - +/-6 degree in 80, 90, 100, 110, and 120mm lengths (in both standard 1 1/8" steerer and the non-standard oversized 1 1/4" steerer which matches most Canyon and some Giant bikes) - +30 degree high-rise version in 80mm and 100mm lengths (only available for 1 1/8" steerer)
- Effective suspension travel: - Up to 20mm
- Includes 5 swappable elastomers to fine tune your riding style
- Check technical specs for compatibility
What's in the Box:
- 1 x ShockStop Stem
- 5 x swappable elastomers (2 pre-installed, 3 additional in box)
- All required hardware
Technical Specifications:
| Weight |
256 g +/- 6 deg, 80mm For oversized steerer, add 2-5 g |
| Steerer Clamp Diameter (A) | Standard 1-1/8 inch (28.6 mm) Oversized 1-1/4 inch (31.8mm) |
| Handlebar Clamp Diameter (B) | 31.8 mm |
| Effective Travel | Up to 20mm |
| Material | 6061 T6 aluminum |
| Rider Weight Limit | 135 kg (300 lb) |
| Steerer Tube Clamp Stack Height | 40mm |
| Compatibility |
Drop Bars and Flat Bars note: flat bars with large back sweep might reduce effectiveness; see our FAQ or contact us. |
| Intended Use | ASTM F2043 Class 2 - For on and off-road riding and drops less than 15cm (6"). |
Installing the ShockStop Stem (see below for 80mm elastomer install details):
Elastomer Install and Removal for 80mm ShockStop Stem:
Elastomer Selection Chart:
(See instructions and video for elastomer installation details)
The above chart provides a good starting point when first setting up the stem. The chart below shows the full list of elastomer combinations, in order of increasing stiffness:
