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Ah, didn't think of the controller. Thanks much for the input. She never could resume cycling, even after turning the motor off and on. But we'll never know for that Dutch-made trike, as she finally got the LBS to replace it with a two-wheel Bakfiets, also with a Bafang mid-drive. Too bad no...

Hello, Remotely, I'm trying to help a non-techie who bought a Dutch-made used cargo trike in good condition from a bike shop. 1. It has a Bafang M400 mid-drive (MM G33.250, 36V 250W 14A; It's in Europe, hence the 250W motor)), and a Nuvinci Optimized 330 gear hub with an automatic shifter + H3...

Thanks. I was more concerned about the internals, since like all gear hubs save the Shimano Nexus 5, the Enviolo predates mid-drive motors, and some users can be a bit rough.

How reliable is the Enviolo with a mid-drive motor on a cargo bike, ie. a much heavier bike than a regular e-bike?

Thanks, I did know about the TSDZ2 middrive, but replacing the controller looks like a much easier and cheaper alternative for that existing bike — after bottom brackets with a torque sensor… which seem unvailable for a Bafang rear hub. What plug and play KT controller do you guys suggest for...

Throttles are illegal in Europe. Still, how would I add it to that rear hub Bafang-powered bike? Would I need a new controller? Also, what does "power based" cadence system (KT's "torque simulation") really does/mean?

Thanks for the infos. I'm looking for a financially reasonable solution to add to that rear hub Bafang bike shown in the picture. Since it's in Europe, it has no throttle (illegal.) Does Grin Tech provide a bottom bracket with torque sensor that I could hook up to a Bafang hub motor...

Hello, I know someone who bought a second-hand e-bike with a Bafang/8 fun rear hub motor, and is looking for a solution to replace the very unnatural on/off cadence sensor. It feels like riding a motorcycle. So I looked for Bafang-compatible bottom brackets with torque sensor… and found none...

It still doesn't answer the question. Why 250W, instead of 100W, 150W, 350W, etc. ?

Thanks, but I still wonder where that 250W came from. I notice Yamaha offered its 235W PAS in 1993, and an average person riding at an average pace outputs about 100W of power.

Hello, I was wondering where that 250W limit* on e-bikes in Europe come from, since it's higher in North America and hilly Switzerland. Does someone know? Thank you. * "Directive 2002/24/EC of the European Parliament and of the Council of 18 March 2002 relating to the type-approval of two or...

Hello, I'm located in Europe, where e-bikes with a motor > 250W are considered light motorcycles, which has a bunch of nasty requirements (registration + license plate, insurance, motorycle helmet + gloves, bike lanes/tracks are off-limit, etc.) In one of the threads on the Radwagon here...