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Probably the simplest option would be to rearrange the cassette. Bassically, take out a couple smaller cogs and stick them (with their respective spacers) on the inside of the cassette closest to the wheel. Then, adjust the shifter to "lock out" those last couple of gears. Now, without...

Ive had and read these the exact thoughts regarding fast ebikes, and even several motorcycle and bicycle experiences to match.

Thanks for the info! I hadnt mentioned it above, but I am running a fat bike with a 120mm BB and 75mm chainline. The factory BBSHD chainline on its 120mm variant should also be 75mm, if I am reading the Bafang diagrams right. Of note, the center of my cassette is chainlije is something like...

Sorry, to be clear, I am running 26x4.9 tires. But, I see what you mean about the extra force applied through the chain from the smaller ring could cause a bit of extra wear! In any case, the 46t ring actually really does get me where I'd like. At ~2500w with my factory 11-36 cassette, its...

You take note of me posting my "resume," yet your own post also asserts that nobody should be allowed to receive any unapproved technical information until you have vetted their relative competence. I certainly didn't take anything as a personal slight. I suppose I am simply used to most...

I think some of you are imagining baja desert racing with an ebike. In reality, I think the intent of the OP (and myself) is to build something more like what you'd use this to do. https://www.juicedbikes.com/products/hyperfat-hf1100, at perhaps a little less than $4000. Also, I'll add more...

I learned a long time ago little comes from trying to justify one's desires on the internet while simply searching for information--as opposed to advocatoring for it--and will simply accept this just may be the wrong crowd for such discussion :) . That's totally fine; I wouldn't expect to go to...

So, is nobody allowed to talk about anything except 750w bikes that can do 28mph with pedal assist?

Other than knowing I want to start with a BBSHD, I am having a hard time deciding what I want to do. On the one hand is a 72v+ controller and 30t chainring. The benefit is a relatively quiet motor, arguably less stress on the components (due to reduced amperage and thus reduced torque). The...

1) What size wheels and tires are you running? There will be a big difference going from 700 street tires to 2.3" 29er tires, and an even bigger difference going from there to 4"+ fat tires. 2) I grew up on BMX bikes where your body was the suspension, then transitioned to cheap spring-fork...

I ended up getting a 4.9" fat tire rigid. Now I am deciding how to drive it! Above all, I want to ensure I am always able to provide meaningful pedal effort at the top end (for the exercise), which makes me worry that an overdriven BBSHD would basically have me clown-pedaling.

I also looked into dual-motor setups, like buying a simpler ebike with a rear hub motor and adding a front hub-motor wheel. Alternately, I considered going with a geared-hub rear wheel and a mid-drive crank system so I could get good power across all speed ranges. However, I could never...

Only going by what I've read on blogs and various manufacturer's web pages, it seems like the Bafang BBSHD is the most affordable 40mph option out there (with non-factory programming). Here are a couple links to the motor kit, with optional batteries: (Link Removed - No Longer Exists) (Link...

I am looking for something similar. Everything I have found points to a full-suspension Fat bike for maximum stability (safety) and comfort. The fastest completely-factory electric Fat bike I believe is the Juiced Bikes HF1100, a Hardtail, for about $4000. The M2S Ultra Fat is a FS bike...