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  • PowerTap - GS AMP 35/50 Carbon Clincher Wheelset -
  • PowerTap - 3/4 Back -

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  • PowerTap - GS AMP 35/50 Carbon Clincher Wheelset -

PowerTap GS AMP 35/50 Carbon Clincher Wheelset

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8 Reviews


Power mix.

While the key feature of the GS Amp 35/50 Carbon Clincher Wheelset is inarguably its PowerTap GS rear hub, the added stability of the mixed-depth rims deserves special mention. We love the effortless way that 50mm rims maintain speeds around 23mph, but 50mm up front can make for trying times in the wind. This is especially true if, like us, you tend to futz around unnecessarily with head units, water bottles, and anything you happen to have in your pockets on a given ride — all of which activities require hands-free riding, which is dangerous when the front wheel is a side-wind grabbing sail. By popping a 35mm rim in the front, PowerTap reduces the handling issues associated with deep rims while still taking advantage of aerodynamics in the rear wheel, where the power is produced.

Handling aside for now, the power you do produce on these wheels is measured by eight strain gauges with a claimed +/- 1.5% accuracy rating — numbers that to support PowerTap's role as the industry standard. As you send watts down to the pedals, the GS sends these numbers up to the head unit via the ubiquitous ANT+, so chances are good that your current head unit is already compatible with the hub. Changing the battery, updating firmware, or servicing the meter can all be effected in minutes with the use of PowerTap's handy little tool, making this one of the most home mechanic-friendly power meters on the market.

The hubs are laced to rims built by Reynolds, a carbon rim manufacturer who really needs no introduction. The brand's reputation for quality carbon construction manifests in both the PowerTap branding on the rims and as cost savings in the four-digit range when compared with GS-equipped carbon hoops from manufacturers whose decals add a premium to the cost. The wheels are anything but bargain bin, though. In addition to the mixed set's added stability, the rims feature the same slightly rounded spoke face that's become so common across the industry for its ability to temper the violent lateral forces of crosswinds and yaw angles.

The rims also adopt the increased width of more expensive models, sitting at a healthy 17mm, internally. Wider rims increase structural integrity while also letting the tire bead sit wider than on rims with a more common internal width of around 15-16mm. This allows for more tire volume and a larger contact patch with the road, resulting in lower rolling resistance, more confident cornering in all conditions, straighter sidewalls that better deform around obstacles in the road, and the opportunity to indulge in a little low-PSI fetish for a cushier, more supple road feel that doesn't sacrifice efficiency.

  • Item #PAP000P

Tech Specs

Rim Material
[rim] unidirectional carbon fiber, [brake track] 3K carbon fiber
Wheel Size
700 c
Tire Type
Rim Depth
[front] 35 mm, [rear] 50 mm
Rim Width
[internal] 17 mm, [external] 24.5 mm
Brake Compatibility
PowerTap GS w/ABEC 5 bearings
DT Swiss AeroComp
Spoke Nipple
Spoke Count
20 / 24
Wheel Bag Included
Claimed Weight
[set] 1,712 g
Recommended Use
road cycling
Manufacturer Warranty
2 years

Tech Specs

  • Reviews
  • Q & A

What do you think about this product?

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Can't Connect to Verify Firmware

  • Familiarity: I've used it several times

Used the wheels on a 7 day trip. Had no problems connecting to my Garmin. Tried to check firmware and could not connect to computer. Called support, tried their beta program couldn't connect. They sent a new unit that attaches to wheel and still could not connect. Bought 2 sets, 1 is going back. Rides nice though.

Best deal going

  • Familiarity: I've used it several times

I pondered this for a long time before buying (long enough that I missed the free cassette, but shame on me). Received the wheelset this week and riding them has been a joy. Immediately gave me 2 mph speed advantage, very lightweight on climbs and not as bad in cross winds as I thought they might be. You do get some push, but it is manageable. I was knocked out by how effortlessly and transparently the power meter ran and synched. It paired immediately with my Garmin 810, calibrated instantly and seems pretty bulletproof. It's already changing the way I ride and improving efficiency. This is an amazingly good deal. I use all Ant+ anyway, so the new Bluetooth addition doesn't matter. If you are on the fence, time to get off...

I'm a believer ...and an amateur.

  • Familiarity: I've put it through the wringer

I already had the 35/35 Powertap G3 version on one bike, and couldn't pass up this deal on this GS 35/50 for my other bike .

For G3 lovers, the power readings are consistent between GS/G3 and the DTswiss hub internals seem to be really nice. The hub sound is more muted, and I like that. I wont comment on speed/spinning resistance of the two as my two wheelsets use two totally different tires and the two bikes are pretty different as well. I believe they use the same ABEC 5 bearings.

If you're already browsing to buy, I don't need to get into the benefits of training with power. What I will say is that I obviously did feel a weight difference holding these in one hand and my non-powermeter 303s in the other, but that weight is not felt on the road (to me). Meanwhile, the benefit of power data keeps me in check for longer rides.

I was hoping that they would include the newer Reynolds Power Cryo-Blue pads, but the standard Reynolds Cryo-Blue is included and is still plenty good. The braking surface is great in the dry, and good enough on rainy/misty days. The pads + braking surface is much quieter than my 2012 Zipp 303s.

If you're looking to get into Power and/or looking to get some carbon wheels, you can't go wrong with these. People have all sorts of opinions on how different rim depths look but Enve 3.4 with a 35mm front and 45mm rear is totally cool for everyone because, well they're Enve 3.4s.

One mod I did make was I added some 3M black reflective tape to the white pinstripe. I did not love that accent. Now it looks all black in the daytime, and I get a bit of added visibility at night. It's superficial but somehow makes me love these wheels even more.


I'm a believer ...and an amateur.


  • Familiarity: I've used it several times

This was my first power tap wheel set. I decided to go with this wheel set over a stages crank arm + Mavic wheel set. I am very, very pleased. The braking surface is good, the wheels just slice through the air. I'm going an extra 1-2 mph with the increased rim depth of the wheels.

The power tap takes care of speed/cadence/power and it's nice not to have to worry about the extra sensors. Works flawlessly with my Garmin Edge 500 and Trainer Road via an ant+ adapter.

I realize that not everyone wants different rim sizes front/back, but for the price you can't beat these. Plus you get a free cassette!

I imagine these were so deeply discounted because power tap is releasing a dual ant+/bluetooth cap in the coming weeks, but honestly I will pay the extra $100 or so when they start shipping those dual broadcast units.

Going with a power tap has made training with power a cinch.

Best deal on any wheelset

  • Familiarity: I've used it once or twice and have initial impressions

I originally was planning on buying just a PowerTap hub until I stumbled on this deal.

The good: If you do your research you are getting DT Swiss hubs, and Reynolds carbon wheels laced with DT Swiss spokes. The hubs spin very smooth and the CT3 Reynolds braking technology really works. I own a set of Reynolds tubular wheels and these brake better with the improved braking surface and pads. The powertap hub is flawless and set up to my Garmin was easy.

Somewhat negative: the carbon rims do not have a typical glossy carbon layup but rather a flat matte finish. I build wheels and I found the spoke tension was uneven and the rear wheel was out of true when I got it. Some minor fine tuning got everything running true. I do not like the white stripe on the wheels. I wish it was a sticker so I could take it off but it is not.

With that said a still a great wheelset at a great price. I would buy it again in a second. Thanks, CC

Cannot Say Enough Good Things

  • Familiarity: I've put it through the wringer

Only had these for a month and the difference has been noticeable going from Mavic Pros and Zipp 101s. 61cm bike comes in at 16 pounds and is very stable, except I did get moved sideways in a pretty heavy wind. Great climbing on a 109 mile ride recently getting out on those last New England Fall days.
Set up with SRAM Red 10 speed cassette.
At this price point, you cannot beat this wheel set. And the Power hub is a bonus.

Reliable and raceworthy

  • Familiarity: I've put it through the wringer

I've been riding these wheels for the last year and they've been great. The GS hubs actually feature DT Swiss' legendary Star Ratchet internals combined with Powertap's tried and true strain gauges to give you reliable power readings in any condition. This would also be a great wheelset for anyone who's looking for a single wheelset to train and race on with power as they feature a wide, blunt aero profile (not unlike Firecrest), decent weight for an aero wheelset with power meter hub, and a price tag far below what anything else you'll find on the market with similar features. The 35mm deep front paired with the 50mm deep rear means that you'll be able to tackle nearly any kind of wind conditions while still maintaining control of the bike and benefiting from free aero speed.

Unanswered Question

Are the wheel logo/stickers removable? Or are they permanently laminated on there?

Unanswered Question

Can these wheels be used tubeless with the Stans notubes conversion, rim tape, tubeless tires, and tubeless valve stems?

Is this available in Campy?