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Aug
19
comment How to remove a stuck seatpost?
I think that by the time most folks are resorting to the techniques here they have pretty much emptied their cans of WD-40, Liquid Wrench, et al.
Aug
19
awarded  Nice Answer
Aug
19
comment Does the valve have to be straight when replacing a tube?
By the way, your tire is dangerously cracked and should be replaced. This may be from running at too low a pressure, or maybe just age.
Aug
19
comment Does the valve have to be straight when replacing a tube?
Another way to adjust is to deflate the tire, then "walk" the bike forward/back (as appropriate) until the valve is straight.
Aug
19
comment Does the valve have to be straight when replacing a tube?
@Carel - If it were in danger of "being sheared off" while braking hard the same danger would be there for a straight valve. The danger is from fatigue to the crimped/stretched rubber (though the result can still be a sudden loss of pressure as the tube rips open).
Aug
19
comment Where can I find replacement pads for a bicycle helmet?
As I said about 4 years ago in an earlier answer to this same question, the panty liners (labeled "maxi pads", et al) work quite well.
Aug
19
comment Bicycle is harder to pedal when standing
Another possibility I've seen more than once is a broken frame. Plus I've seen similar symptoms when the rear sprockets are badly hooked.
Aug
19
comment anyone know what kind of frame this is?
Looks pretty "standard" to me. Can't say that it's necessarily a BSO, but does look like a lot of the BSOs I see in my rehabbing for Christmas Anonymous.
Aug
19
comment Does the valve have to be straight when replacing a tube?
I agree with @Mσᶎ -- the tire should be deflated (let all the air out), then yank on the tire in a tangential direction to get things aligned. It's OK if it's not perfectly straight, but the above picture is too crooked by a factor of 2 or more.
Aug
19
comment Does the valve have to be straight when replacing a tube?
If you don't straighten it the tube will fatigue and fail near the valve. Probably not in one day's use, but after several hundred miles, perhaps.
Aug
18
comment Bicycle is harder to pedal when standing
I would guess that either you have bad bearings somewhere or the chain is getting jammed (due to loose bearings or a misaligned derailer) when you do this. Or the chain could be worn out.
Aug
18
comment Are Hövding helmets safer than regular helmets?
@imel96 - So I duck down to clear a tree limb and the helmet inflates?
Aug
18
comment Remove front derailleur without breaking chain
Some derailers are riveted together, some are held together with screws. If you can find a suitable replacement that is screwed together you can cut the existing one (hacksaw or heavy-duty tin snips). But "breaking" and reassembling a chain is not terribly difficult, if you have a good tutorial and take your time.
Aug
18
comment Are Hövding helmets safer than regular helmets?
@imel96 - The point is, if, say, a cyclist hits a rut and goes head-over, there's no substantial acceleration (actually deceleration) until the cyclist's head hits the ground, which is way too late to inflate the thing.
Aug
17
comment How to secure and transport panniers when on foot during a bike trip
(Are you asking, perhaps, how to securely lock your gear to your bike while it's parked?)
Aug
17
comment How to secure and transport panniers when on foot during a bike trip
There are several different schemes for panniers which convert into backpacks. However, it's just plain impractical to haul that much gear on your body -- you need to either trim down a bit (a lot) or have some strategy for temporarily storing your "excess baggage" while not on the bike.
Aug
17
comment What is mysteriously slicing the inside of my tubes?
I've always considered rim tape to be superior to rim strips, but I've never seen a rim strip of the style in Zippy's link -- they're always the thin rubber things. However, I'm skeptical of either being the problem, unless it's allowing spoke ends to poke through (and the symptoms don't suggest that). It's almost certainly something associated with the tire itself.
Aug
16
comment How do I repair a broken chain on my old BMX bike?
Basically you need a "chain breaker" tool and a detailed tutorial. As to the right/wrong chain, basically the width of the chain is the only critical parameter. There is one width for most single-speed bikes, then several different widths for multi-speed derailleur-style bikes, depending on how many speeds and what "generation" the bike is.
Aug
16
comment Which option; cx bike or mtb and road bike?
Do note that wanting to "go fast" (ie, no relaxed geometry) and wanting to go off-road are two incompatible criteria.
Aug
16
comment How to find the cage length of a rear derailleur?
The derailers should be speced with their "tooth capacity", and you can measure the required tooth capacity on your bike with your current gear set.