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Jun
26
comment Riding in nice office/casual clothes?
@JamesBradbury - Then I must be in fantastic shape. I sweat eating ice cream.
Jun
26
revised What's the correct position to assemble eliptic (Biopace, Rotor, etc) chainrings?
added 72 characters in body
Jun
26
comment What's the correct position to assemble eliptic (Biopace, Rotor, etc) chainrings?
"The effective diameter at any point in the pedal stroke is at the point where the chain wraps onto the chainring at the top." Yep, I'll admit that I forgot that point.
Jun
25
comment Do the benefits from Cycling outweigh the harm of pollution
Yeah, depends on where you're riding. In Beijing just stepping outside for five minutes takes a year off your life. (Note that the human body can handle ordinary non-industrial dust quite effectively, however.)
Jun
25
comment How to remove rust from unpainted parts?
Oxalic acid accomplishes the same thing with much less mess.
Jun
25
comment How to remove rust from unpainted parts?
Oxalic acid is probably the best choice for removing rust. Available from paint stores as "wood bleach".
Jun
25
comment How to remove rust from unpainted parts?
@amcnabb - But a tiny amount of dihydrogen monoxide likely caused the rust in the first place.
Jun
25
comment Hybrid electric bikes, how do they work?
@JohnHunt - Wait until you get older. I've found that over the years some strange geologic process has raised up hills on roads that used to be flat.
Jun
25
comment Is it legal for me to ride facing traffic on the sidewalk in California?
@anaheim - Riding on the sidewalk (where permitted) you are pedestrian traffic and must obey pedestrian traffic rules. Riding on the roadway you are a vehicle and must obey vehicle traffic rules.
Jun
25
comment How should I prepare a carbon frame when I want to swap in a new bottom bracket?
Crank arms often don't appear loose until they fall off.
Jun
25
comment How to choose grips for trail riding AND commuting?
Use regular lightly-padded bike gloves for commuting. They take up virtually no space.
Jun
25
comment Hybrid electric bikes, how do they work?
They work quite well, but, as you've found, they're really intended to assist folks who are not quite so strong or who want to avoid working so hard (perhaps to avoid sweating up work clothes). Most will be intentionally designed to not provide power above 15-20 mph.
Jun
25
comment Confusion regarding the Shimano numering system
The confusion is intentional, so you will not be able to compare components by price/quality. The bike manufacturers like this since you can't set two different brands side-by-side and compare model numbers -- there's always some difference, even if artificial.
Jun
25
comment Choosing good slick tires for a MTB
@Vorac - Certainly, if you JUST decrease tire width it likely increases rolling resistance (especially if the tire gets close to "flat" condition as a result). But also increasing pressure results in a smaller contact spot, which is the main determiner of rolling resistance. (That article also continues the old canard that weight on the tire severely impacts acceleration. There is an impact, of course, but it's slight.)
Jun
25
comment Is it legal for me to ride facing traffic on the sidewalk in California?
See this thread: bicycles.stackexchange.com/questions/9033/…
Jun
25
comment Is it legal for me to ride facing traffic on the sidewalk in California?
I didn't know that riding against traffic was legal anywhere in the US. It's certainly in contradiction of the "model law" that many states base their cycling laws on.
Jun
24
comment Turtles on Trails
I have, on a couple of occasions, gently moved a turtle to a reasonably sunny "hard pan" spot off the trail. Not sure if it's the best thing to do, but it's doing something.
Jun
24
comment How should I prepare a carbon frame when I want to swap in a new bottom bracket?
One minor point: Creaking from the BB (at least in a standard setup) can be due simply to the cartridge being loose between the cups. For a glued-in BB it can probably be due to the glue being somewhat loose in spots (similar to a creaky handlebar). And of course when one hears creaks from the BB the first thing one should do is tighten the crank bolts.
Jun
24
comment Converting Mountain Bike for Road to complete in 33 mile mini triathalon
Yeah, if you can lock out or disable the shocks somehow that would be good. (I've occasionally wondered if you could purchase pieces of plastic drain pipe of an appropriate diameter, slit them in half lengthwise, and strap them around the shocks, to disable them. One would, of course, need to be careful that the pipe didn't bear on the shock seals in a way that might damage them.)
Jun
24
comment Converting Mountain Bike for Road to complete in 33 mile mini triathalon
Buy wheels, not just rims. Swapping rims (and then swapping back later), while certainly possible, is not particularly practical. (Or just find the narrowest, smoothest tires that will fit your current rims.) (It wouldn't hurt to describe the bike a little -- current tire size, etc.)