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1d
comment My bike got stolen a second time (in Amsterdam) - what should I do?
Oxinabox: Yes, 20 t would probably be enough to break any U-lock (e.g, Abus' best locks are rated to withstand 7 t). However, the jack you linked to is quite bulky (hard to get into a lock), it has a lift of only 1.6 in / 4cm, so might only bend the lock (good locks have shackles that are hardened outside and ductile inside) and seems to cost over $150. So probably not practical - easier to get an angle grinder.
1d
comment My bike got stolen a second time (in Amsterdam) - what should I do?
@Oxinabox: A quality U-lock can not be dispatched with a bottle jack or crowbar - they are far too strong. And yes, manufacturers (and test institutes) do try it. With a good U-lock, the only realistic option is an angle grinder, which is heavy, makes a lot of noise, and still takes at least one to two minutes.
2d
comment How to minimize wear on pants
While the examples given look good, you don't have to pay that much. You can get bike trousers for under 100 €, or choose a "hiking pant" (not specifically for cycling, but also more resilient than regular jeans), which starts around 50 €.
Jan
7
comment Is commuting 10 km on an empty stomach harmful?
One thing to be aware of: You might run into low blood sugar ( Hypoglycemia ) if you do this. For a healthy individual this is not dangerous, but you will feel very weak and dizzy suddenly. Just listen to your body, and take it seriously. If you happen to be a diabetic, speak to your doctor first!
Dec
10
comment New D-lock failed locked up
@DanielRHicks: Actually, Abus generally has a very good reputation, their (high-end) locks are among the most resilient in the market. I have used them for years without problems. But maybe there was a manufacturing mishap, or QA was neglected...
Nov
20
comment Bottle dynamo vs. hub dynamo
Update: "Hub dynamo systems cost at least a couple of hundred dollars " is not true (any longer). You can get complete wheels with e.g. a Shimano hub dynamo for less than $100 in the USA, or less than 80€ in Germany. Good answer otherwise.
Sep
23
comment best ride to burn tummy fat
Note that, as a general rule, you a) cannot burn fat at any specific body location (the body itself decides where to store/remove fat), and b) exercise alone will not necessarily lead to weigh loss. Keep that in mind when considering what to do.
Sep
17
comment How do I stop punctures for good?
Similar question: What type of tires can prevent goatheads?
Sep
16
comment Can the top tube on a mens bike be cut off?
What do you mean by "crossbar"? Are you talking about the top tube (en.wikipedia.org/wiki/Bicycle_frame#Top_tube)?
Aug
10
comment Looking for an old fashioned bicycle with coaster brakes & hand brakes for a woman
@DanielRHicks: Many internal-gear hubs are offered with coaster brakes. For example, the Shimano C6000 Nexus (8x) and SRAM i3 (3x) are available with coaster brakes. In Germany, internal-gear hubs with coaster brakes used to be so common that one German webshop displays a note with the gear hubs they sell: "Warning, does not have a coaster brake".
Aug
10
comment Looking for an old fashioned bicycle with coaster brakes & hand brakes for a woman
@DanielRHicks: About bikes with coaster brakes not having front handbrakes: This totally depends on the area. For example, in the Netherlands it is quite common, at least on cheap bicycles, for the coaster brake to be the only brake. In Germany, two independent brakes are required by law (for bikes used on public streets), so bikes have a coaster brake + a front hand brake (of varying quality).
Aug
5
comment What are the risks of fenders/mudguards?
@Rider_X: No, I don't have any evidence, just dim memories of articles I read. My understanding was that metal fenders are more sturdy and thus less likely to fold up. Of course, if they do fold up, they will jam even more effectively. Anyway, the point is mostly moot now, as most modern "full" fenders are plastic fenders with safety clips, as I described.
Aug
5
comment What are the risks of fenders/mudguards?
This is true, but is unlikely to be an accident risk. Ice/snow will usually build up slowly and gradually slow you down, and not cause a sudden, complete lock-up of the wheel.
Jun
25
comment Group of Bikes: Is 3x1 an option?
@freiheit: Nitpick: Actually, they go up to 14 ( Rohloff Speedhub ) . Of course, that hub is way out of price range for this question.
May
12
comment Why are battery-powered lights so popular?
Well, not really. 1) is true, but with a proper dynamo 15km/h is enough for nearly full power (German standard TA 24 mandates 5.7V-7.5V from 15 to 30km/h). In practice, brightness stays constant once you reach 12-15 km/h with halogen, or 8-10 km/h with LED. 2) used to be true, but almost all modern lights for use with a dynamo feature a "standlight", where a capacitor is charged during use, which can then supply power for some minutes even at slightly reduced brightness.
Jan
29
comment Why are battery-powered lights so popular?
My experience is that with a good dynamo and lights, and with proper wiring (good wire, proper connectors [implying lights that have connectors] and careful fastening of the wire to the frame), a dynamo system can be quite reliable. My bike is constantly in the rain and parked and handled a lot, and I rarely have connection problems (maybe once a year). But of course this may depend on the specific situation. The wiring is certainly an added risk compared to battery-powered lights.
Jan
28
comment Why are battery-powered lights so popular?
Why does a mountain bike need a through-axle? Can't you just use a hub dynamo with a solid (but robust) axle?
Jan
28
comment Why are battery-powered lights so popular?
That's the point - with a reliable commuter bike, you don't necessarily need spare tube and inflator (at least I don't need them), so having to carry a spare battery pack is an extra nuisance. And I have used dynamos (both hub and side wheel) for years and never needed to clean/grease them.
Jan
28
comment Why are battery-powered lights so popular?
Also, you can get a dynamo for way less than $250. A decent side wheel dynamo is around $20-$30, a dynamos are around $50-$250, plus new wheel (prices from Germany, in US $).
Jan
28
comment Why are battery-powered lights so popular?
Good point. However, this ignores the fact that dynamo lighting may require less maintenance, because there's no need to change batteries, ever, thus no risk of a battery going flat at an inconvenient moment. Whether or not this is a problem depends on how and when the bike is used.