Carel
  • Member for 7 years, 10 months
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  • Luxembourg
Are electric bike speed limitations set in stone?
Accepted answer
16 votes

The limit is set by law depending on the country. There's nothing to prevent you from going faster if you can pedal harder. The limiter just cuts off the electric assistance above 25km/h, so you'll ...

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Could I use a front rim to build a rear wheel?
15 votes

In the days before factory built wheelset, rims where produced without being specifically for front or rear wheels. On most general-use standard bicycles it is still that way. The only difference was ...

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What can I use for a DIY cable end?
13 votes

The empty ink-tube of a ballpoint pen makes good cable ends. The metal ones may be squeezed into place. If you have a plastic one cut off 1 cm, put over the cable end and heat with a flame.

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Jan Ullrich's TT bike in la Vuelta 1999: why the bigger rear wheel?
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12 votes

The rear wheel is normal size (700), the front wheel is smaller (650). It was for aerodynamic reasons. By lowering the torso of the rider, the frontal surface of the rider became smaller. The ...

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Are CO₂ tire cartridges reusable for multiple tires?
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11 votes

CO2 cartridges are fine if you use them in the intended way: Roadside emergency. Otherwise they are a terrible waste of energy, resources and money. Normally a single cartridge is just enough for one ...

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Protecting bicycle from sea/salty water
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10 votes

Rust on a cassette or even a chain is quite normal in this kind of surroundings is quite inevitable. Also it has little impact other than visual. More frequent wiping and greasing of the chain is one ...

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How to keep my testicles from freezing on a recumbent
10 votes

A double layered triangle of bubble wrap under the pants in front of the exposed bits. Cheap and effective! In days of severe cold I use the same method between base and medium layers on the upper ...

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How do I get a cleat that's stuck in a pedal, detached from the shoe, out?
9 votes

Use water-pump-pliers or locking pliers (vise-grip). Grip the cleat and turn it either clock-wise or anti-clock-wise Alternatively a medium sized screwdriver used as a lever at the rear 'nose' of the ...

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Brake pads destroying wheels
9 votes

This sounds like you're braking quite a lot (maybe too much and rather brutally) and that the metal part of the brake-shoe that holds the brake-rubber makes contact with the rim. Replace the pads at ...

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Is there a way to remember pedal, crank position before taking sharp turns
9 votes

Outside pedal down and your weight on the outside foot, that 's how we were taught at the cycling school of the cycling club. You may angle the inside leg more or less away from the bike if you want ...

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How thin/worn out can you allow road bike rims to get?
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9 votes

0.8mm is very thin and dangerous. The mechanic is right to tell you to replace the rim! Keep it only if you want to play with your life because it may fail in a catastrophic manner! More dangerous ...

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holes on the inside of metal fork blades, what are they
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9 votes

On steel forks the tiny holes at the bottom end of the fork-blade are vent holes for the brazing process. The brazing produces fumes the fumes and the heat expands the air in the blade which makes ...

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Seatpost/saddle moving down when riding
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8 votes

Two possible remedies: The easiest is to wipe off all of the grease and degrease with some solvent. Then instead of mounting the post with grease use carbon mounting paste. The gritty particles in ...

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Marking chains permanently for later identification
8 votes

Attach a large washer to the chain with some binding wire. Use a centre punch to mark the washer with one to several dots and keep a log of those. The washer will stay attached while you clean the ...

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Are single chainring mountain bikes usual?
8 votes

The configuration is not unusual at all. It has even become quite common, the smaller front ring and the quite wide ranging cassette for decently spread gearing. It also brings a gain of weight, ...

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Should there be grease in my steel frame's tubes?
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8 votes

Some mechanic might have put a liberal amount of grease in the BB shell and also in the head-tube prior to assembly. Then copiously greased the seat-post as well. Grease has a tendency to migrate, ...

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Replacing a lost disc brake pinch bolt
7 votes

The bolt is called pinch bolt, that's the standard name. It is a 5mm steel Allen bolt of 6 to 10mm in length, of the same type that is used with bottle cages. Alternatively a bolt with a hexagonal ...

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How can I tell if my tire is equipped with a tube?
7 votes

First you may check whether sealant fluid came out of the punctured tyre. It could indicate a tubeless tyre, though it is not always the case. The sure way to tell is by checking the valve. If your ...

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Banged frame: Is it still safe to use?
7 votes

Sorry for that act of vandalism that happened to you. But I'd refrain from using this bicycle any longer. You'd have problems riding it in a straight line because the wheels are certainly misaligned ...

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Are carbon road bikes robust enough to use off-road?
7 votes

There are several answers to this question. The one is fair use. Like you wouldn't ride a roadbike on a severe downhill or in a cyclocross race. Or have a 150kg rider on a lightweight racebike with ...

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Road bike disc wheel interchangability
Accepted answer
7 votes

Calliper and disc positions are standard, as are hub widths and fork spacings for disk wheels. Minor adjustments of the calliper's position could be required. There are however several methods for ...

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Is it normal for a presta valve to unscrew into two pieces?
Accepted answer
7 votes

The correct answer is yes and no. There are in fact two types of Presta valves: One where the core can be removed. Those are often used with tubular tyres so that the inner tube can be filled with a ...

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maintenance schedule tracking software
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7 votes

You mention Strava: they do that for you. If you register components and parts of your bike like a chain it will show the mileage from the registering date. It might a bit problematic if you have two ...

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Funky Rear Axle. Need help Identifying
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7 votes

Looks like an attaching point for some kind of trailer, maybe a single wheel trailer.

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How do I determine if my cassette is worn
6 votes

There are gauges for the purpose, they are rarer than chain gauges but they do exist. Rohloff made (makes) one. Here's a video:

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Canyon Grail headset play
Accepted answer
6 votes

Just tightening the screws will not resolve the issue. There is a precise but quite simple procedure to follow. You can find a number of very good explanatory videos on the internet. GCN has a recent ...

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Replacing Ultegra R8000 'long cage' derailleur (crash repair advice)
6 votes

A medium cage is fine with 11 up to 34. It may have been marketed by E. as a long cage. BTW: check the derailleur hanger, it might be bent. Also, don't throw the bent derailleur away. It could still ...

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Can I install a back bike rack without attachment to the rear part of the frame?
6 votes

Is the seatpost carbon? If it is replace it with an aluminium one because you'll get a number of racks that clamp to the seatpost. A rack that clamps to the seatpost would normally take up to 10kg. ...

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What could be causing excessive friction in a new rear hub?
Accepted answer
6 votes

Adjusting the bearing is quite easy although it's more than just unscrewing the 2.5mm hex-screw at the left side of the hub. Here's the link to an instruction sheet from Campagnolo. https://www....

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Can road bumps excite frame eigen frequencies?
6 votes

Resonance frequency is an unchangeable design feature. But it's rather unlikely that it will destroy the frame, at least one from a reputable builder. I would not make the same statement for a BSO ...

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