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Cycleops Magnus Smart Trainer

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The Cycleops Magnus Smart Trainer features an electromagnetic resistance unit that adjusts automatically according to virtual training environments like Cycleops VirtualTraining App, Zwift, TrainerRoad, and more. Built-in ANT+ and Bluetooth 4.0 connects to compatible cycling computers and smart devices for wireless data transmission, resistance control, and firmware updates, and the sturdy Classic frame utilizes a 2" roller and easy-to-use clutch knob that dials in the perfect tension against the tire every time.

Resistance operation requires connection to standard 110V household power. Claimed weight is approximately 25 lbs.


  • Electromagnetic resistance ensures most responsive resistance and maximum power available
  • Integrated dual ANT+ FE-C and Bluetooth 4.0 technologies
  • Transmits power and speed data
  • PowerTuned using PowerTap technology for ±5% accuracy power readings
  • 1500 watt peak resistance
  • Compatible with a wide variety of devices and virtual training application, including CycleOps VirtualTraining, Zwift, TrainerRoad, and others
  • CycleOps foldable Classic frame with spring loaded, bolt-action lever
  • Noise level is a quiet 69 decibels at 20 mph
  • Features clutch knob for perfect roller to tire tension each ride
  • Precision-machined alloy 2" roller reduces tire wear and slippage
  • Eccentric leveling feet allow for easy adjustment on uneven surfaces
  • Designed to fit common road and mountain bike frames with included steel quick release skewer and has three settings for rear dropout spacing: 120mm, 130mm and 135mm. Optional thru-axle adapter available for 142x12mm and 148x12mm
  • Compatible with 650b, 700c, 26", 27", and 29" wheel sizes - up to a 2.0" tire
  • Does not fit 650c wheel sizes, nor all 29er tires.Tested to the combined weight (rider and bike) of 300 lbs

Returns: This product is overweight and/or oversize and does not qualify for our fixed rate return shipping label. If you need to return this item, we can offer a return shipping label at our discounted shipping rates, or you can arrange for your own return shipping.

Ordered by Most Relevant First
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1 stars
Reviewed 12/7/2018
by Eric
Cycling Enthusiast
Value Rating
Overall Rating
Solid Performance

We have a Magnus and a Kickr Snap. I'll start with the one bad thing about the Magnus, which has been typical for CycleOps products - it's loud. Like really, really loud, especially when compared to the Kickr Snap (silent).

That said, where the Magnus excels is how incredibly smooth it is. It's also super easy to assemble and setup. It's more intuitive with things like the integrated speed, cadence, and PowerTap data. The clutch knob means you'll never over tighten onto your wheel. Unlike the Kickr, the Magnus skewer clamps won't pinch my dropouts (I have to be extremely careful with my BMC on the Kickr).

One other negative (which doesn't impact me) is if you have a XS tri bike (or similar) that runs 650C wheels, their specs state that it is not compatible.

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Reviewed 8/5/2018
by Minh
Helotes, Tx
Overall Rating
2 of 2 customers found this review helpful.
High quality unit, easy to assemble, silent

Unit comes in a nice but odd shaped box, good instructions manual, assembly is easy. Once you swap the skewer on the rear wheel of the bike, mounting it is easy also. Bike is stable, riding is smooth and silent. I added Garmin speed and cadence sensor, connected a 10 ft cable with Ant sensor to my laptop, downloaded Rouvy and The Sufferfest, everything connected and i've been enjoying virtual rides with it and my 55in TV since.

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Reviewed 5/28/2018
by Anonymous
Casual Cyclist
Overall Rating
0 of 1 customers found this review helpful.
What is the Hill grade this tops out at ? some trainers are 5 % up to 20 % grade .

looking for answer first .

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An introduction to indoor bicycle trainers and rollers.
How to get the most out of your indoor bike trainer workouts.

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