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This guy shows a bike shifting gears in his video https://binged.it/2U02q6t People have different strategies for using the gears on their bike. …

The summary answer is that we can't know the answer to this question. Here's why: To give you an estimate we would have to know: 1. How long the work would take. 2. The per hour charge at the shop. 3 …

Why do different people pedal at difference rates (have a different cadence) on the same road at the same speed? As Andrew says, different people have different optimum cadences. Also, many people do …

that is not specific to current bicycle drive trains and generalize to sprocket and chain design you can find a world of technical information on the web an machinist handbooks like this document on Gears …

Friction shift levers have the ability to adjust the amount of friction available. If there is not enough friction the spring in the rear derailleur will be able to pull the cable and move into high g …

According to Sheldon Brown the two cable 5 speed hubs were made in 1991-1992 in a freewheel and drum brake model called the 5 Star and the 5 Star Elite w/drum brake. He lists the features for these hu …

This is not an easy swap. It would be easier to buy a wheel and freewheel and swap the tire. As Swifty points out in comments - it's a great convenience to have a turbo tire and wheel to swap in when …

For Internal Gearing Internal or hub gears can be expressed as a ratio of how many times the rear wheel turns for each time the crank rotates once. … If you knew the ratios for the different gears you could describe exactly how much difference there is between the bikes. …

In addition to the drag from the gears and roller clutches, there may be drag from the bearing seals. … Drag from the large bearing seal on the right side is highest when coasting, or in the lowest and highest gears, which are farther away from unity ratio. …

A bicycle "stalling speed" does not exist because bicycles do not stall like an airplane. Stalling is a reduction in the lift coefficient generated by a foil as the angle of attack increases. There is …

We know it worked once, but we don't know what was changed, so it's time to go back to basics. Auto shifting The rear derailleur has a spring that wants to move the chain to the smallest cog. The shif …

What should I look for? How bad/ fixable is rust? How can I best determine what is worth repairing and what should be trashed? When you evaluate a bike you are really getting enough information to m …

So, in the original post: When shifting from a smaller cog to a bigger one in the front gears, the chain consistently drops. …

Based on my research with a little work and a possible fork replacement you have a nice riding bike. It is difficult to read the label on the top tube given the blurry picture (I suppose it could be m …