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0 votes

Drawing/specification for direct mount rear derailleur hangers?

If you've got a design for a regular hanger, then you can measure a B-link and integrate it into your existing design. 3D printing helps greatly for testing the fit. I know that's not much to go with, ...
0 votes

Vertical Dropout Derailleur Hanger for a bike that did not come with gears?

Thank you for the answers everyone. I appreciate it. It just cemented the fact that getting a derailleur hanger into the drop out would be a huge undertaking versus just getting an IGH. I do still ...
4 votes
Accepted

Vertical Dropout Derailleur Hanger for a bike that did not come with gears?

There is a way of doing this: a rotary file and confidence. Here are some images lifted from Yellow Jersey's site. Since you have less of a slab of dropout to work with, you'd probably do it by using ...
1 vote

Vertical Dropout Derailleur Hanger for a bike that did not come with gears?

Without seeing what you've got, I doubt very much that you could drill a hole in your existing dropout to create a derailleur hanger--there's just not enough metal there. Derailleurs take 10-mm bolts. ...
  • 25.2k
3 votes
Accepted

Multiple gears shifted while not pedaling

This is harmless. All they did was to remove the tension from the cables. Sure, this means the chain will have some shear force on it from the derailleurs, but it's just the little bit of force from ...
2 votes

My daughters chain keeps falling off

Raise the rear wheel up somehow so that you can spin the pedals at least half revolution and check where the derailleur is guiding the chain when you spin up the wheel with the pedal, gently ...
  • 4,996
22 votes
Accepted

Chain is loose and rubs the upper part of the chain stay

Proper way of dealing with this If the bike is new, take it back to the shop that sold it to you and ask them to fix it. My thoughts on what is actually wrong with the bike On the picture it looks ...
  • 1,574
0 votes

Which electronic shifter to choose?

Thanks everyone and after some more investigation it seems like there are not any good and affordable 1x10 + hydraulic setups available. The most affordable option would be SRAM Rival eTap shifters ...
1 vote

Which electronic shifter to choose?

The only 10 speed electronic shifter's i'm aware of are Ultegra St-6770, however these are designed for cable operated brakes. They could probably be paired with a cable pulled hydraulic calliper such ...
  • 17.4k
0 votes

What is the average lifespan of rear derailleurs?

Depends on how much you shift when you ride and how much you knock it about. I am just about to replace my SRAM Apex 11 speed because the pivots are worn and the whole thing is bent out of shape. It's ...
13 votes

How efficient is string bike? Is this really a revolutionary bike?

I bought one of these on ebay a few months ago. I bought it there because the manufacturer was unresponsive to queries and I was able to get one for <$1000 which is much more affordable than the ...

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