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SHOCKSTOP SUSPENSION STEM

redshift sports shockstop suspension stem

redshift sports shockstop suspension stem

redshift sports shockstop suspension stem

SHOCKSTOP SUSPENSION STEM

Six or so months ago, I built a ‘gravel grinder’ out of my Giant TCT Advanced road bike. During this time, I have ridden it both on-road and off-road, for off-road, mainly hard-pack trails. For those that missed this great series, here is part 3 – http://biketestreviews.com/part-3-extended-gearing-for-the-road-bike/, where I put it all together.

So far, everything has worked out perfect on this build. Looking back, the Wolftooth components are ROCK-SOLID and the drivetrain selection couldn’t be better.

But, the only drawback is that since I converted a road racing bicycle, the largest tires that fit are 700×28. Compared to the 700×40 for other gravel bikes (ex, OPEN), these 28mm tires are not quite wide enough to mitigate vibration, even at lower pressures. So, when REDSHIFT sent me a suspension stem to test, this couldn’t have come at a better time!

After opening the box, I laid all of the parts and directions out on the workbench. Included was a +/-6° x 100mm Redshift Sports Shockstop stem. At first glance, the instructions seemed a little daunting, but, breaking these down into small steps, all they really were saying is to (a) select your weight then (b) match to the recommended elastomer pieces and (c) place elastomer piece(s) in TOP PART OF STEM OPENING ONLY, NEVER PLACE IN THE BOTTOM SLOTS.

Each elastomer piece has a different durometer, or hardness rating from 50 to 90. At my weight of 185lbs, REDSHIFT recommended an 80 and a 70 (green and blue). Again, this is a recommended starting point and after a ride or two, you can swap out elastomers to increase or decrease the amount of flex resistance. With the SHOCKSTOP stem, you can go all the way down to an ultra-soft 50 durometer to an ultra-firm 170 durometer. The great thing about this stem is that you can fine tune it to meet your needs.

redshift sports shockstop suspension stem

Above: Select your elastomers based on your weight
Below: Select the orientation that you would like your stem to be then drop in the elastomer piece(s).

redshift sports shockstop suspension stem

HOW DID THE STEM PERFORM?

The stem is a quality build. For my riding, I thought the recommended 150 durometer (70+80) was a little too firm so I dropped down to 130 durometer (60+70) which worked out better for me, especially since I am still using this as a road bike. If I would be riding the TCR Advanced exclusively as a gravel bike, I would go even softer, starting with 110 (50+60) and maybe even going to a single Black 90. But, that is what is so great about this stem, many, many possible configurations!

redshift sports shockstop suspension stem

FURTHER READING

While I was writing this review, I found this article which I highly recommend you read. It not only includes a detailed test of the SHOCKSTOP but goes into the history of suspension stems. A must read!

http://www.elessarbicycle.it/shockstop-stem-by-redshift-sport-review/

SUMMARY

This is a very simple stem to assemble and really does absorb shock from the road and/or gravel trails.

You also have a choice of 15 different firmness options as well as 4 different stem lengths for +/-6° and 1 stem length for +/-30°. Tested here is the +/-6° in 100mm.

All-in-all, this is a great choice for a stem and with its vast adjustability, can be used as your road stem or your gravel stem. You can quickly adjust to dampen just the right amount of ‘road’ vibration.
This stem is a keeper and is staying on the TCR!

10 PHOTOS OF SHOCKSTOP ON TCR

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