drivetrain

  1. C

    3 speed internal wheel hub durability

    So iv built several bikes now and on this next one iv been thinking about running a jackshaft set up to an internal 3 speed wheel. Im just wondering how durable they are and how well they can stand up to the power abuse? If there is anyone here that has some experience with theses hubs please...
  2. L

    A Different Mod....

    Hi guys. I've been building my motorized build from the ground up...so to speak. I slapped a 79cc Predator on a 21-speed. I removed the crank, using the bottom bracket to build a jackshaft ( 5/8" shaft 9"L 5/8" presicion bearings [OD 1- 3/8"] meshed int the original ballbearings). NO PEDALING...
  3. L

    Drive Shaft Completely Worn

    Still working out all the kinks on my new engine. It's been running fine for a few days but yesterday it wouldn't start or even turn over and the clutch didn't seem to engage. Opened it up today and found that the shaft that the drive sprocket is on was completely worn down and the woodruff...

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