chain problem

Hi folks, New to here so thought I would say hello. I got myself a pretty awful $90 chinese morotized bike from banggood and I'm trying to fit it to a 18in Kona Hanana frame.I'd appreciate some advice - although I've managed to overcome some problems, I'm struggling with the chain rubbing on...

I have an old beach cruiser I’ve been riding for a month with the “80”cc bike engine kit attached. Let me be clear, my alignment and chain size are fine. The engine also runs smooth as butter. The problem started two days ago and it started as a light squeak which goes away after running the...

I'm working on my first build at the moment, just surpassing the stage of mounting everything. After mounting the tensioner, I rode the bike around to see how fluid the whole chain assembly was. Everything is working fine, except for the tensioner which is slightly diagonal in relation to the...

I have the Aurelio Tech 80cc 2-stroke motor kit for my mountain bike. Everything has been just fine except for the chain. Originally I had the tensioner way too tight and of course the chain snapped. Luckily it just broke the master link. So I ordered a Chain Link Remover and fixed it...

so I gave up on my old shift kit and bought a SBP shift kit. I got it installed and mostly running in one day. I'm having since chain problems I could use some help with. First I should say that I have a shimano rear derailleur and 6 gears with a 7 speed friction thumb shifter. First problem...

I've recently purchased a 66cc motor from the internet and installed it on my bicycle. It ran great for about 15 minutes before refusing to turn. It seems to be the front drive sprocket (the smaller one) that just will not budge no matter what I do. Considering sending the engine back for a...

Ive assembled a wonderful motorized bike and managed to figure out pretty much everything to make it work, with a little help from the forum. It runs great and it goes pretty well too, however I've only put 11 miles (as stated by speedo) on it and I've killed two chains already. The first break...

Hi everyone. I have a Schwinn road bike that looks like a mountain bike kind of. Keep in mind I'm still kind of new to all this. I just got a brand new rear wheel and tire and am having slight issues with the chain being a lil too close to my tire for my liking. I have a manic mechanic...