Bicycle frame construction, selection, maintenance, and repair.

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Knowing what bicycle frame material I have

I have a bicycle frame that's really heavy. It's a mountain bike frame with shocks, so I decided to replace the entire frame with a city bike aluminum frame(I only use the bike if I have to pick up/...
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2answers
180 views

I am having trouble identifying the manufacturer of this bike

What brand is this logo? Can anyone identify this?
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3answers
485 views

Could you make a bike frame out of 24kt gold?

Obviously it's a silly idea. Apart from the cost, it's far too dense and not stiff enough to be a good frame material. What I'm asking is would it be possible to make a ridable bike from gold? What ...
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3answers
226 views

How do I make my frame water tight?

I am trying to remove the rust from inside my steel frame. There are, however, a few small holes in various places along the frame. Any tips on how I can make these water tight so that I can fill it ...
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2answers
1k views

FEM: How to Design weight-distribution in bike prototypes?

Inferio! No-one can understand this bloated question here, now more focussed. Suppose you are doing a new bike. How can you be certain that some critical point won't get too much force and the right ...
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1answer
69 views

Have some new parts on hand but need new frame - frame swap reasonable? or sell and purchase new bike?

Purchased my first "decent" bike, a Motobecane 700HT about 5-6 years ago as a 'gateway drug' of sorts for myself to get into XC biking. Ended up using it for commuting for a few years as well. Over ...
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3answers
236 views

First Road Bike - Some Options and Issues

I am looking the market for my first road bike. I am planing to be using the bike, couple times per week for 1 - 2 hour rides, and maybe on the weekend some longer ones, around UK Yorkshire. There ...
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2answers
290 views

I need to change my bike from UK to US Spec

I bought a bike from the UK. The brakes and shifters are on the opposite sides. I want to change it so the front brake is on the left and the rear is on the right, Same thing for the shifters. I ...