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location Minnesota, USA
age
visits member for 3 years, 2 months
seen 9 hours ago

Old, tired, crazy.


Feb
4
comment Why do current, entry-level shimano rear derailers have large-diameter pulleys?
Yeah, I suspect that the larger pulleys would have lower friction and be more efficient, aside from the negligible weight difference.
Feb
3
comment Why do current, entry-level shimano rear derailers have large-diameter pulleys?
It almost certainly has to do with cheaply filling some niche, probably on low-end mountain bikes. One possibility is that the larger jockey wheels make shifting more reliable with some system, possibly their electric shift scheme.
Feb
2
comment What is the stem/seatpost thing on the Bicymple?
I think it's known as an "abomination".
Feb
2
comment Could I switch tires on an MTB to tires with less friction if I mostly use the MTB in a city environment?
As to whether you should get another bike, there are some folks who have several, and use them all for different purposes, and some who get by just fine with only one bike in multiple environments.
Feb
2
comment Could I switch tires on an MTB to tires with less friction if I mostly use the MTB in a city environment?
Certainly the smoother a tire it, the less rolling friction it has on relatively smooth pavement. So there's nothing wrong with switching tires if you don't need the "knobbies". The question is how much you'll improve things, if you have a fairly soft suspension, though.
Feb
2
comment Product selection help: wheelset for vintage(ish)steel roadbike
Or find the local bike recycling organization, let them know what you're looking for, and arrange to swap some good quality spare parts for the right wheels.
Feb
2
comment About 20-30 people bike to where I work. What equipment/supplies should we have on hand?
That's what desks and lockers are for.
Feb
2
comment What's best engine to motorize a road bike
Frankly, you've got too many restrictions. Most gas engines I've seen of late use a second chain on the other side of the rear wheel, meaning you can't have disk brakes. And you probably have reason for not liking the old style friction-driven setup as well.
Feb
2
comment What's best engine to motorize a road bike
I commuted for several years 27 miles out, 10 miles back. (The difference was because I took a "short cut" in the morning.)
Feb
1
comment What's best engine to motorize a road bike
The best solution is probably an electric front hub, unless you really need the range of a fueled setup.
Feb
1
comment What's best engine to motorize a road bike
A diesel is probably a bad idea. They're expensive, heavy, hard to start (especially without glow plugs), and generally a nuisance to use and maintain. (Eg, don't EVER run out of fuel with a diesel.)
Feb
1
comment Cross tires on a road bike
A touring bike will have "road" geometry but will accommodate wider tires. (And fenders and racks.)
Jan
31
comment Is my old bike safe?
@none - I said "If it were a steel frame and fork ..."
Jan
31
comment About 20-30 people bike to where I work. What equipment/supplies should we have on hand?
I think what is or isn't practical varies a lot with the situation. Some places have lots of unused space, others are cramped. Some have a good sized budget to throw at employee amenities, at others you'd have to take up a collection. In some places you'd have trustworthy coworkers, in others not.
Jan
30
comment About 20-30 people bike to where I work. What equipment/supplies should we have on hand?
In all my years of riding, a dozen week-long tours and several other group day rides, I've only ever seen a pedal fail catastrophically once -- the pedal locked up completely. A few other cases of the bearings going bad and grinding, but you can limp home with that.
Jan
30
comment Spokes for Shimano Ultegra Wheelset
When you pop the trim ring off are those standard style spokes (other than being "aero")? If so, I'd try it with plain old spokes of the appropriate length. Then you can figure out if the wheel can be re-trued, at least, and whether it's worth investing in the "real" spokes.
Jan
30
comment Shimano Nexus 3 clicking free-wheel-mechanism-like noise
I remember that the old 3-speed hubs of my youth always clicked loudly.
Jan
30
comment Why won't tires go on my Velocity A23 rims?
An important trick is to press the valve in a half-inch or so when seating the tire around the valve. Then squeeze the tire flat so that the beads mostly fit in the spoke head "ditch", giving you more slack where you're trying to "jump" the rim.
Jan
30
comment Why won't tires go on my Velocity A23 rims?
It is true that some tires do not fit some rims particularly well, even if the two are supposedly compatible. There is a maybe 2mm variation in tire diameters at the bead, and probably a 1mm variation in rim diameters.
Jan
30
comment Why won't tires go on my Velocity A23 rims?
First make sure you really do have the right size. Remember, there's a difference between, say, 1-3/4 and 1.75 -- they are different size tires and will not fit the same rims. After that, try a "Quick Stick".