BikeYoke Dehy Reverb mechanical cable conversion

Device simplifies dropper by converting hydraulic cable to mechanical

Components
Dehy is manufactured incredibly well.

The Dehy is manufactured incredibly well.

The RockShox Reverb is one of the dominant players in the dropper post market. But maintenance and installation can be challenging, with an internal hydraulic cable. BikeYoke aims to simplify that with the Dehy.

RockShox’s Reverb is one of the top performing dropper posts on the market, with its smooth, controllable, infinite position action. But maintenance can be a pain, as bleeding the system requires many hands because bleed ports must be exposed at both ends and bled while still in the frame. And if the post needs servicing from RockShox, it may come back perfect, but the hydraulic cable still has to be disconnected and bled to get it back into your frame.

1x compatible lever is very ergonomic and is drilled out for better thumb grip in all weather conditions.

The 1x compatible lever is very ergonomic and is drilled out for better thumb grip.

The BikeYoke Dehy simplifies this system by converting the hydraulic cable to a mechanical one. This is done using a 20-gram add-on that attaches to the bottom of a Reverb Stealth dropper and introduces the hydraulic plunger system at that bottom of the dropper. This converts the hydraulic pressure needed to activate the post to mechanical action at the beginning of the cable instead of the end near the handlebar lever.

It’s an elegant solution, as there are less seals, less fluid, and less opportunity for leaks. And it simplifies the bleed and cable installation process. One could argue that a hydraulic cable is better sealed against the elements compared to a mechanical one. But with the advent of internally routed posts, this is really not an issue anymore.

Dehy system simplifies the RockShox Reverb cabling.

The Dehy system simplifies the RockShox Reverb cabling.

The other bonus is you can use a multitude of mechanical levers for the RockShox Reverb. The Reverb lever was a novel concept when it was introduced, as it used a familiar interface as their fork lockout levers and it played nice with very cluttered handlebars. But it’s now less ideal with cleaner cockpits and 1x. Instead paddle shifters on the left side that mimic the right hand shifters are the current preferred interface. And on 2x drivetrains, a left side, over-the-bar lever is more common.

The Reverb hydraulic lever is a straight plunger system and although effective, it uses no leverage to push the fluid. Thus riders with weak or injured thumbs may find it difficult to activate the lever. Conversely paddle style shifters offer more ergonomic options.

The Dehy device only weighs 20 grams.

The Dehy device weighs 20 grams.

While installing and using the BikeYoke Dehy, we were impressed at the craftsmanship and the elegance of the solution. The Dehy is absolutely minimalist, adding only 20 grams of weight and barely adding any length, which otherwise could interfere with short seat tubes. The lever is dialed, mimicking the look and feel of common shifters. The paddle is drilled out not for weight saving and added traction in wet conditions. The lever plays well with SRAM and Shimano shifter systems, too.

SRAM Matchmaker compatible mount pictured here.

In combination with a SRAM Matchmaker compatible mount.

Total weight for the Dehy system is 102 grams including the cable and lever. A Reverb hose and lever system weighs about 100 grams when filled with fluid.

Price for the system, including lever, is $110. The Dehy by itself is $69. It is currently not compatible with late 2016 version RockShox Reverbs, but that update should be available soon. In the U.S., BikeYoke is being distributed by X Fusion.

For more information please visit http://www.suspensionlink.com/.

Photo Thumbnails (click to enlarge)
About the author: Francis Cebedo

The founder of mtbr and roadbikereview, Francis Cebedo believes that every cyclist has a lot to teach and a lot to learn. "Our websites are communal hubs for sharing cycling experiences, trading adventure stories, and passing along product information and opinions." Francis' favorite bike is the last bike he rode, whether it's a dirt jumper, singlespeed, trail bike, lugged commuter or ultralight carbon road steed. Indeed, Francis loves cycling in all its forms and is happiest when infecting others with that same passion. Francis also believes that IPA will save America.


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