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Here is a link, not what you are asking for: https://github.com/edasmalchi/qiroll-pedal-assist Apparently he was trying to incorporate a cadence sensor and brake cut out.

I haven't seen anything that was reported as sucessful. At one time I did see one blog post where someone was attempting a revision but provided no follow up - which makes me think that perhaps it didn't work out for him. The S2 activation control leaves something to be desired.

I hope that the friction tape works well for you and you post up your experiences one way or the other. I've mentioned before that it didn't work for me. I started with a generic product, then 3M Safety Walk and finally Gorilla brand. The grit on all three quickly wore off exposing the...

I'm not saying it'd work, but maybe a step down to actual 36v could possibly work with the 33v Pro. You'd have to check but I think a prior post several pages back indicated that 38v didn't work but maybe 36v is close enough? Personally I don't think that I'd risk it but I did use a similar...

Just my opinion but I wouldn't worry much about physically disengaging the drive unit unless you ride in mud or other debris that you don't want to wedge between the tire and the roller (I addressed that somewhat by mounting the unit on a spring base so it can be pushed away from the tire...

The Mute Plus does have regen, it just isn't much, when it's activated regen slows the bike to a small degree. No idea regarding the Flex version and I can't comment on performance with the Pro other than what I've read as I've never used one. You're probably better off directly asking Jason...

Yes and no. My Mute Plus does have working regen and while it doesn't gain charge or slow the bike much it is slightly noticeable on long downhill runs. Both of the buttons have to be pushed and held at the same time to activate regen. Regen (and the associated braking) is supposed to be more...

Interesting that Shimano Steps will work on batteries without data ports to communicate with the Shimano controller. Is this the battery? Light and small. You do have to stop to disengage the Qiroll from the wheel. It keeps running in the "electronic clutch" mode until you've slowed down to...

Amazing, you should post up some ride reports with pictures in the bike touring section.

My B70 battery weighs 1kg which is commensurate with its capacity. Weights are listed on the Qiroll site, I've found them to be accurate for what I purchased.

Only reviews are the two on Amazon, give it a try and let us know how it goes. One seller on Ebay lists at $214 with free shipping from China.

You can contact Qiroll with questions directly through their site. I had asked a question pre-sale and one post sale and both were answered. I might reconsider a Qiroll Pro if they come up with a "flex" version that I could use with the 36v or 48v batteries that I already have, would depend on...

To be honest it wouldn't be worth the time for either of us. If you are interested in the low power Mute version Qiroll now sells a version that accepts regular 24v or 36v batteries or higher per their web site for $216 including shipping. I've read that private parties can't legally ship...

I did put it back on a bike but not riding that one because the Qiroll just doesn't work for what I want. Maybe your experience would be different than mine. Too bad that there isn't a way to test before buying but that's not possible - otherwise I'd be very interested in seeing what the Pro...

Without having an opportunity to test the Mute vs Pro I was more interested in the 24v Mute, which I later regretted because the Mute doesn't offer sufficient assist for me and where I ride. Qiroll voltage ratings aren't the same as familiar ebike batteries which, for example a 36v nominal...

I don't remember the particulars but I think the Currie had a freewheel mechanism on the motor drive side so it didn't drag. It's been years since we had it. My wife rode it all over hilly routes and I took it on very steep rides where it performed admirably even though it was heavy due to the...

Years ago I got my wife the first ebike that I bought which was a Currie Trailz and had that type drive unit with 24v lead acid batteries (heavy). Wife only rode it for about a year until she got her strength up and went back to a non-assist bike so I sold it (now she's back to needing a...

No idea, you'll have to do a review when you get one :). Nice that it doesn't have some unique 33v requirement like the Qiroll Pro, that was the main reason that I didn't buy the used Pro when I had the chance.

I don't have battery recommendations. Got a few off of Amazon that were widely panned on this web site but they have been great for me, as old as 5 yrs without any issues. No guarantees about quality of Qiroll battery either though. I'm careful with charging and storage but I'm careful with...

Unfortunately a hub motor forces you to choose between your small wheel and large wheel bikes. I've read a lot on this site about hub motors overheating and failing but never experienced that myself with the two hub motors that I have. Again this has been on very hilly rides - my neighborhood...