is it more difficult to put engine on 21 gear bike than 0 gear bike?

[LewieBike]

I'm using an old cottered crankset with the big gear removed so it's a 42T front. With my 48 cc engine I find 14T and 16T sprockets on the back are fine for hill assisting the engine. 42T front X 28T back is a great gear for engine off hill climbing and starting from stops before engaging the clutch, but it's far too low to help the engine at speed.

 

[Spare_Parts]

You guys are nuts! 42-20 for me lol. In all seriousness broke my ankle a few years back and both the hospital and orthopedic surgeon missed 2 breaks until it was healed. They would have to cut part of the bone and stick a rod in to fix it. Nah, I'm good. Pedaling is horrible though.

 

[JerboaJohn]

cassettes you can put individual sprockets, right? been a while since i replaced my cassette. i remember i got a cheap shimano wide ratio set, 11-34 and run out of leg at 23mph lol. probly get a bigger crank gear bcs it's a 42T now and I never need 1 or 2

 

[Spare_Parts]

Yeah. They sell spacers for the single speed guys. Seen a couple of 2 speed and 3 speed setups on some random bike forum lol.