Oversized Non-Standard 1-1/4" ShockStop Suspension Stem
Oversized Non-Standard 1-1/4" ShockStop Suspension Stem
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90 day risk free trial
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Description
Technical Specifications
| Weight | 256 g +/- 6 deg, 80mm 266 g +/-6 deg, 90mm 278 g +/-6 deg, 100mm 290 g +/-6 deg, 110mm 302 g +/-6 deg, 120mm For oversized steerer, add 2-5 g |
| Steerer Clamp Diameter (A) | Oversized 1-1/4 inch (31.8mm) |
| Handlebar Clamp Diameter (B) | 31.8 mm |
| Stem Length | Oversized 1-1/4 inch stems are available in 80, 90, 100, 110, and 120mm. To be notified when shorter (55 & 70mm) lengths are available signup here. |
| 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"). |
Instructions
Download Instructions (PDF):
Instructions - ShockStop Suspension Stem - 90-120mm lengths
Instructions - ShockStop Suspension Stem - 90-120mm lengths (Torx Bolt Version - Torx Tool Included)
Instructions - ShockStop Suspension Stem - 80mm length
Installing the ShockStop Stem (see below for 80mm elastomer install details):
Elastomer Install and Removal for 80mm ShockStop Stem:
Elastomer Selection Chart for 80mm ShockStop Stems
(See instructions and video for elastomer installation details)
Elastomer Selection Chart for 90-120mm ShockStop Stems
(See instructions and video for elastomer installation details)
The charts linked above provide a good starting point when first setting up the stem. This chart shows the full list of elastomer combinations, in order of increasing stiffness.
Shipping Info
90 day risk free trial & returns
Smooth. Controlled. Effortless. The Future of Suspension
Years of research, cutting-edge technology, and rider-focused design—built to revolutionise your ride.
Adjustable Stiffness
Fine-tune your ride with customizable settings, optimising comfort and performance for any terrain.
Precision-Engineered Shock Absorption
Eliminates road buzz and dampens impact forces, reducing strain on hands, wrists, shoulders and back.
Optimised for All Riding Styles
Whether you're racing, exploring or commuting, we have an option that is designed to improve your riding experience.
Redshift trusted by
200,000+
As seen in
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Spencer
Bought this post because of the AWFUL Chicago streets, and I am overjoyed at it's performance. I love that it is adjustable, feels extremely well-made, and enhances the look of my e-bike. Thank you for such a thoughtful product, my butt especially thanks you. Money well spent!
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William S
This is a great addition to my gravel bike. It took a few adjustments to get the right elastomers but, it definitely smooths out the ride. Will be purchasing a set for my road bike.
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Scott C
This seat post is a game changer!! Absolutely love it on my gravel bike .gonna get one for my hard tail Mtb now
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TD
Love the stem!! It really takes out all the worse bumps from your ride, and on rough trails really did offer a smooth comfortable ride.
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Lawrence C
I hesitated buying this stem wondering would it work, was it a waste of money but I’ve had three off road rides with my new stem and I love it. I usually get pins and needles in my hands after riding for a while but that’s gone now. Added to the comfort is the improved handling on bumpy tracks and roads. I can ride a corrugated road now without feeling like I will get shaken off the bike. Very happy.
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Jim G
I love my Redshift post! I recently had a lumbar contusion and the post has smoothed and cushioned the roads and trails. I’m able to stay on the bike while healing.
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Ian S
After much thought I bought a red shift suspension stem and initial thoughts are that it's good, think they will become standard across all my gravel bikes.
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Stephen H
I just finished my first ride with the Resdhift Shockstop Suspension Stem and I noticed the difference immediately. Having ridden for many years with rigid front ends (I’m 64) I now wish I had discovered this earlier in my life. The chatter that it removes from my wrists, arms and shoulders is easily noticed. This experience has been so good that now I’m considering the seatpost Redshift offers as well. The interesting thing for me is that I’ve promoted and sold these products for years based upon input from others. I just didn’t think I needed one myself. Get yourself one! You’ll never go back.
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Mark G
The shock absorber was easy to install and works as described cuts down on the impact. I recommend it if you're going to do gravel, writing and bumpy bumpy roads
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Karlos R
Wow, once I got the fit dialed on this seat post I thoroughly understood why everyone was upgrading their set ups with these products. Riding a long distances is what I do for fun and for a living and this seatpost made all the difference in the world. Pay attention to the recommended Sag settings as its key to finding comfort and keeping a proper pedaling extension. 10 out of 10 would recommend.
Perfect For
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Gravel Riding
Absorbs rough terrain and vibrations, improving comfort and control on long gravel rides.
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Road Cycling
Reduces road buzz and impact from potholes, allowing for a smoother, more efficient ride
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Bikepacking & Touring
Minimises fatigue on long-haul adventures, making multi-day rides more comfortable
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Commuting
Handles city streets, curbs, and uneven surfaces with ease for a more enjoyable daily ride.
- Reviews
- Questions
United KingdomGreat product for those with hand/wrist issues
It might seem unnecessary buying this for a road bike, but if you’re familiar with UK roads you’ll relate! I’ve suffered with wrist/hand pain for a number of years and have thrown just about everything at the problem. The stem gives a noticeable improvement in hand comfort, even on ‘regular’ tarmac. It’s not intrusive, but it does feel like you’re riding a road bike shod with big mountain bike tyres instead of road ones. I’m even seeing an improvement in average speeds as I’m less impacted by that constant buzz through hands and wrists. Would thoroughly recommend if you’ve suffered like I have!
CanadaSuspension stem review
I purchased my suspension stem, however, because I live in a northern climate, ( lots of snow) I have not used the new stem , hence unable to give a proper review until April 2025, or when the snow cover will be out.
SpainEl cambio que necesitaba
Mis salidas de gravel han cambiado de forma drástica con esta potencia. Ahora puedo aguantar más tiempo por sendas sin tanto cansancio en las manos y brazos. Una maravilla,
United KingdomChanged how I ride
Excellent not only off road but on road with the terrible state of uk roads,my Orro terra c gravel bike is a totally new experience before I was suffering with tennis elbow but now nothing at all,considering putting one on my giant defy road bike definitely recommend.
AustraliaExcellent product
Outstanding. Light speed delivery. Excellent installation instructions. Simple installation. Great ride feel. So much easier on the body with the edges knocked off the bumps.
AustraliaDelivers on the claims made
Great suspension that does what Red Shift say it does. Happy with the increased comfort and control taking out road vibrations and it was very easy to fit and adjust. I've been using the suspension stem for a month now, all seems very reliable.
