CycleOps published power curves for the CycleOps SuperMagneto Pro Trainer
in there user manual so I went ahead and added it as a supported trainer for VirtualPower with the (beta) status until we know more about how consistent and accurate it is.

I don’t have this trainer and I haven’t done any testing with it. I’m hoping that some people with power meters that have this trainer will ride with it and we can look to see how well it matches up. If you want to do this, do a ride with your power meter as the source and mark in the notes that you used this trainer and at what setting you were on along with any other information about your setup (tire pressure, tension on tire, etc.).

In the graph the lines marked with “S” are the actual samples I took from the manual, while the others are the numbers from the derived virtual power formula. They all seem to line up pretty well with the exception of the Interval which is about 20w low at 10 mph and 20w high at 15 mph. The trainer basically has a curve for part of the range and a straight line for the second part of the range. So it is tough to get a really tight fit by approximating it with a 3rd order polynomial.

Here are the watts at different speeds.

5MPH10MPH15MPH20MPH25MPH30MPH
Easy S

24

60

108

164

224

304

Easy

23

62

107

162

227

303

Road S

24

60

108

216

303

415

Road

25

55

118

206

308

414

Interval S

24

60

108

261

407

543

Interval

29

43

127

255

403

545

Mountain S

24

65

160

335

475

615

Mountain

25

60

171

323

482

614

-Reid



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Trevor DeRuise

Trevor DeRuise is a professional mountain bike racer, Level III USA certified coach, lead contributor to cycling forum conversations, and the main person behind all TrainerRoad’s tweets. Follow the latest TrainerRoad news and updates he’s sharing online.

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