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Questions tagged [diy]

D.I.Y. is an acronym for "Do It Yourself". Questions here are resources for enthusiastic amateurs working on their own bicycles.

1 vote
2 answers
84 views

Are Shimano chainring/crankset protectors easily removable?

Are Shimano crankset/chainring guards/protectors easily removable? In other words are they fastened with some screws/bolts or are they riveted? I am most interested in the Acera(M361) cranksets or ...
WornChain's user avatar
  • 2,136
1 vote
0 answers
33 views

Aligning wheels for heavy duty bike trailer

I'm planning to build a bike trailer capable of carrying about 120kg. My initial thought was to use decent quality double-walled 20" BMX front wheels with the axles supported on both sides. I'd ...
Vinnie Testeverde's user avatar
4 votes
1 answer
223 views

CNC'ing Strong Hub Shell (Kindernay Swap Cage)

The Kindernay Swap Cage is a removeable hub shell that is a bit delicate for loaded touring. The HD (Heavy Duty) Swap Cage never made it to market. I'd like to make one that's near indestructable. It ...
daddyblondlegs's user avatar
5 votes
1 answer
225 views

How do I securely fix a string of LED lights to a power source?

My context is that I have a cargo trike (Babboe Curve). Especially in the winter dark, some car drivers mis-identify it as a bicycle and pass it too close. My solution to this was to fit a string of ...
Guy F-W's user avatar
  • 151
5 votes
1 answer
220 views

Is it possible to make DIY foam tire inserts for gravel bikes?

I saw a video of the British cyclocross racers putting foam from a hardware store into their tires. This foam is used in construction to fill joints before caulking. All those joints on the concrete ...
user66598's user avatar
  • 1,107
0 votes
3 answers
3k views

Building a carbon gravel bicycle - Shimano 105 7020 vs GRX RX600/800

I've got into cycling around 2 years ago, mainly going to the office and cycling around the city/when traveling. Thing of 2 months ago started with long-distance and speed experimentation, and ...
leonacostaok's user avatar
2 votes
2 answers
287 views

Front fork brake posts removal

I wonder if the v brake pivot posts can be removed from the front fork, even though the posts have no flat side to undo them with a spanner? Can these be removed with a pair of pliers or a grip of ...
D D's user avatar
  • 17
7 votes
5 answers
2k views

A small bolt/nut came off my mtn bike while washing it, can someone help me identify it?

I was washing my’12 specialized stumpjumper. When shaking it/drying it off, a screw/bolt came off and I can’t find where it belongs and don’t know what it is. It has threads inside and fits a 3mm ...
Mw3841's user avatar
  • 209
2 votes
2 answers
468 views

Easily misaligned handlebars when using stem raiser

I use a Delta Stem Raiser (maybe also called a stem extender, handlebar riser, steerer tube extender) to make my handlebars "taller" (higher up than they could typically go) on my bike's ...
Will Haley's user avatar
4 votes
1 answer
267 views

DIY cargo bikes and recumbent bikes seem to use rod end bearings with an axial load. Is that ok?

I have been looking into possibly building my own cargo bike (inspired by the xyz cargo bike). That said, I am interested in possibly modifying the design - including how the steerable wheels are ...
bvz's user avatar
  • 143
6 votes
1 answer
118 views

Is it strong enough to braze stainless steel tubings with silver?

I was told that you could not braze stainless steel tubing with brass as you would with non-stainless ones. And you should use 56% silver instead? Isn't silver too weak to braze tubes together? I know ...
Zyleyus's user avatar
  • 191
3 votes
1 answer
401 views

Are there any recommended internal cable routing systems?

I'm planning to build a steel frame myself and want it to be fully internally routed (from the head tube). I'll machine a head tube to fit a system. I think the most popular one is the FSA ACR, but I ...
Zyleyus's user avatar
  • 191
2 votes
2 answers
759 views

Modify/hack rear derailleur cage size

I've listened that it is possible to modify the cage size of a rear derailleur. For instance reducing a long (SGS) to a medium (GS) or short (SS) cage size. Is it possible on all brands? Just shimano? ...
Daniel Perez's user avatar
4 votes
1 answer
257 views

What kind of load should I put on in simulation if I were to design a stem in CAD?

I am planning to build a steel bike myself and want to pair it with a custom stem. I came across someone selling 3d printed stems in my area. So I decided to design myself a stem that is compatible ...
Zyleyus's user avatar
  • 191
11 votes
4 answers
5k views

Alternatives to rim tape

After repeated punctures, I concluded that the rim tape needs replacing. I'm travelling in remote Yucatán, Amazon charges too much and takes too long to ship this basic item. What are alternatives? ...
emagar's user avatar
  • 387

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