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What's the least expensive quality smart bike trainer with app-based resistance control?

7,252 884 December 3, 2021 at 09:52 AM
It's the cold season here in the NE and riding a bike outdoors for me is out of the question for various reasons, running can be a pain especially below 40, walking is boring and not very aerobic, and I'm not really into health clubs.

So I'm looking to convert my road bike into an indoor bike trainer by buying a decent trainer, the kind you attach your road (and I suppose mountain, hybrid, etc.) bike's read wheel to via a resistance wheel to turn it into a makeshift bike trainer whose level of difficulty can be changed.

But in my case I want it to be a "smart" trainer, in the full sense of the term, in that, with the proper sensors and connected to a decent fitness app, it can not only sense and display the bike's speed, cadence and resistance level and thus estimated power output, but can also control the resistance unit, either manually by the rider, or automatically according to some preset workout routine, all via the fitness app, like you'd find on say a Peloton or any smart bike trainer you'd find in a decent fitness club.

What's the least expensive quality trainer I can buy that can do all of this, that's ideally also relatively quiet, which probably means a fluid-based resistance unit?

I already have a "dumb" trainer whose resistance can be manually preset (but not remotely changed when I'm using it), and while it's not the highest quality one, it gets the job done, so no need to replace it with another "dumb" one. And I already have speed and cadence sensors that I use when out riding that work just as well on the trainer, so it's already semi-"smart". I need one that's fully "smart" now. Any ideas and how much it would cost?
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jkee
12-03-2021 at 02:10 PM.
12-03-2021 at 02:10 PM.
Quote from KMan :
It's the cold season here in the NE and riding a bike outdoors for me is out of the question for various reasons, running can be a pain especially below 40, walking is boring and not very aerobic, and I'm not really into health clubs.

So I'm looking to convert my road bike into an indoor bike trainer by buying a decent trainer, the kind you attach your road (and I suppose mountain, hybrid, etc.) bike's read wheel to via a resistance wheel to turn it into a makeshift bike trainer whose level of difficulty can be changed.

But in my case I want it to be a "smart" trainer, in the full sense of the term, in that, with the proper sensors and connected to a decent fitness app, it can not only sense and display the bike's speed, cadence and resistance level and thus estimated power output, but can also control the resistance unit, either manually by the rider, or automatically according to some preset workout routine, all via the fitness app, like you'd find on say a Peloton or any smart bike trainer you'd find in a decent fitness club.

What's the least expensive quality trainer I can buy that can do all of this, that's ideally also relatively quiet, which probably means a fluid-based resistance unit?

I already have a "dumb" trainer whose resistance can be manually preset (but not remotely changed when I'm using it), and while it's not the highest quality one, it gets the job done, so no need to replace it with another "dumb" one. And I already have speed and cadence sensors that I use when out riding that work just as well on the trainer, so it's already semi-"smart". I need one that's fully "smart" now. Any ideas and how much it would cost?
There are going to be other places where you'll find more detailed info on this subject (like reddit, fitness forums, and for that matter other sections of slickdeals perhaps help me find a deal). I'm don't know much about these.

I'd suggest familiarize yourself with different apps, what hardware is compatible with them, pricing, online communities / support forums that are relevant. That should help you make some decisions and limit what you're looking at. As you likely know, many of the apps are probably subscription based.

As for the cheapest, there are enough cycling programmers in the world that I'm sure there are some open source software projects and creative / diy solutions to creating a "smart" cycle trainer. It's a matter of what you want and want to spend. Along those lines, I'd be curious what the models of your current trainers are and if they're manual control (turn a mechanical knob) or if electronics are involved.

A quick search turned up two open source projects (i'm sure there are more)
goldencheetah.org
blumbike

A couple of the paid apps (you're likely familiar with some of them and may know of others)
Zwift
Rouvy
rgtcycling.com
trainerroad
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Last edited by jkee December 3, 2021 at 02:26 PM.
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KMan
12-03-2021 at 05:14 PM.
12-03-2021 at 05:14 PM.
Quote from jkee :
There are going to be other places where you'll find more detailed info on this subject (like reddit, fitness forums, and for that matter other sections of slickdeals perhaps help me find a deal). I'm don't know much about these.

I'd suggest familiarize yourself with different apps, what hardware is compatible with them, pricing, online communities / support forums that are relevant. That should help you make some decisions and limit what you're looking at. As you likely know, many of the apps are probably subscription based.

As for the cheapest, there are enough cycling programmers in the world that I'm sure there are some open source software projects and creative / diy solutions to creating a "smart" cycle trainer. It's a matter of what you want and want to spend. Along those lines, I'd be curious what the models of your current trainers are and if they're manual control (turn a mechanical knob) or if electronics are involved.

A quick search turned up two open source projects (i'm sure there are more)
goldencheetah.org
blumbike

A couple of the paid apps (you're likely familiar with some of them and may know of others)
Zwift
Rouvy
rgtcycling.com
trainerroad
I'm less concerned about the SW than the HW. There are plenty of decent apps at various purchase and subscription prices out there. But without the HW they're useless. My trainer is about as basic as it gets, you set the resistance with a large knob, then start spinning. Not remote resistance control, either mechanical via a cable or electronically via a wire or wirelessly.

I can change the resistance by changing gears, though, but that's a lot less elegant that the app doing it. I'm basically looking for a trainer that has electronically and wirelessly actuated resistance that can be controlled by leading apps. I did do some basic research and apparently $400-$500 is the lowest you can usually buy such a device new. Saris, formerly CycleOps, makes one.

Perhaps I should look for a used one in decent shape, as this seems too much to spend for 3-4 months worth of exercise, basically mid-November through mid-March, and then only once or twice a week as I still run outdoors. But sometimes it's just too damn cold to do that, plus suiting up is a pain. When I was younger it was tolerable but now it's just miserable.
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jkee
12-03-2021 at 05:57 PM.
12-03-2021 at 05:57 PM.
Quote from KMan :
I'm less concerned about the SW than the HW. There are plenty of decent apps at various purchase and subscription prices out there. But without the HW they're useless.
I get that, my suggestion is to look at the compatibility info for various apps you might consider using and make a chart of sorts of some of the models / brands that are compatible with that app along with other relevant features that differentiate them.

Then take a couple bands / models with broader app compatibility and seek out reviews and look for a deal.

The cheaper alternative would be try to rig up something something that can turn the knob on your current trainer (I'd bet it's been done before). I've modified the hardware on a stationary bike myself to make it work the way I wanted.
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Last edited by jkee December 3, 2021 at 08:03 PM.
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KMan
12-03-2021 at 07:27 PM.
12-03-2021 at 07:27 PM.
Quote from jkee :
I get that, my suggestion is to look at the compatibility info for various apps you might consider using and make a chart of sorts of some of the models / brands that are compatible with that app along with other relevant features that differentiate them.

Then take a couple bands / models with broader app compatibility and seek out reviews and look for a deal.

The cheaper alternative would be try to rig up something something that can turn the knob on your current trainer (I'd bet it's been done before). I'm modified the hardware on a stationary bike myself to make it work the way I wanted.
The trainer I have is really low-tech. The knob just turns a big bolt that presses the bike's rear wheel harder against the resistance roller. To remotely actuate it I'd have to connect a big motor or solenoid with some sort of pinion gear, which would be pretty challenging. To make it compatible with an app, I'd then have to add some sort of Bluetooth-enabled circuit with proper firmware. We're talking serious mods here, hardly worth the effort, and I'm a bit of a tinkerer myself. Mostly it's not a very good trainer and not really worth it. I found it on the street years ago when someone put it out with the recycleables. It's ok for free, but that's about it. Either I live with it, or buy a real smart trainer. I choose the latter, but $400-$500 isn't really something I care to spend on one at this point.
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