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BBSHD. I ordered a Luna mighty mini 30 tooth. Still not here yet. I'll let you know. The 36 chainring on it now with the 42 on the rear cassette will pull me at 225 and a cart with 150lbs of sand bags up a steep small off-road hill with no pedaling at all. But It still has too fast a top end in...

Thanks guys. I spoke with Rambo bike who helped me greatly...I think.

thanks guys... why is 8 too much? are you talking about chain length?

Ok! So I took off the chainring and measured it tonight. Best I can tell, it is 112mm BCD. 4 bolt. Round. It is 36 tooth. I want 30 tooth although it may be too small to fit the adaptor that Rambo has that bolts to the BBSHD motor. I literally can't find one ANYWHERE!!! Rambo says that are...

I did not know that, I will check

thanks

I need help finding a new 30 tooth chainring (front sprocket) for a 2023 Rambo Nomad Bafang BBSHD? I can't figure out which one will fit? Rambo is sold out.

Thanks to all. great information.

one more question... is it possible to take a stock (factory) crank motor (mid motor) ebike and change sprockets so you have a LARGE crank sprocket and a SMALL rear sprocket (like for a trials motorcycle) so there is more low end torque???

Rome...thanks.

So how do I build one? What base fat tire bike do I start with? Bafang 1000 watt crank motor? Battery? How do I find out? Are there any people who do this?

So I bought a new Aventon Aventure and really like it. But there is a problem. It goes too fast. I need a bike that will "climb a tree"! I want a crawler. I think this rear hun bike will go without a chain so obviously gears don't change a thing if I don't pedal. which I don't want to in many...