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I'm trying to tigten up a Walmart tandam bottom bracket keeps loosing up. I don't know the name It has a taper metal rod at both ends with ball bearing that the cranks attaches to.

Easy to understand and gets to the point, well done!

What bike is this?

Gracias amigo!

Just lovely. I can attest to tandem riding for people with intellectual disabilities. My daughter enjoys cycling together with Dad.

Perhaps its just me but when checking the tightness of a chain I would always spin it all the way around, as normally I've found there are tight and loose spots on a chain and it depends on where about in it's cycle it happens to be.

I keep the cranks on my Santana Elan two teeth out of phase, (24 degrees), allowing the stoker to push the pedal through the captain's top/bottom dead center phases, and vice versa. This gives a measure of the out-of-phase advantage without the risk of slugging the pedal on a turn or a speed bump. The bottom bracket eccentric shell on my bike is not a split type, but rather in a full circle shell fixed by set screws that press into the eccentric. The split bottom bracket shell is a potential weak spot in the frame, especially with two strong riders, the whole bike is held together by those two bolts. I use half-step-granny gearing, (24-47-52 chainrings and a 13-32 six-speed freewheel), SunTour ratchet shifters, Scott-Pederson self-energizing rim brakes operated from a dual-cable right lever and an Arai drum brake on the left lever. It's a pretty sweet rig, rides smooth, and looks pretty good, even thirty-three years later.

Thank u for good video. I've just bought a second-hand tandem bike and notice that the pedals are out of sync and basically I wasn't too sure how to put it right. Cheers buddy👍 oh & happy new year 2 u

We start to use a tandem because web hire it in cartagena Colombia, th-cam.com/video/3V1s9zPrxUo/w-d-xo.html

Hi. I have myself a vídeo about this (in portuguese). There is a very important detail, one should tight the boacket using the opposite direction of the usual pedal movement, because the spheres spin tend to untight it. When we bought our tandem, I was doing it wrong, and after 2 or 3 rides, the chain got large.

Thanks for the video as I need to tighten my tandem chain. Also great you are offering tandems for special needs people. I'm using a tandem currently as my right foot is in a cast and can't pedal so I put a bracket on (just cut the arm out of a crank and welded the pedal nut part in the centre then attached the pedal back on) and it's been so great to get out again. Great job!