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1d
comment Relationship between chain tension and chain wear
In terms of the effect of tension you are thinking of "On the efficiency of bicycle chain drives" article in the IHPVA publication. Not sure if the reason behind phenomenon was fully flushed out.
1d
comment Why are there BMX off road races
@ChrisH - agreed, that is why I said suspension can interfere with techniques such as pumping the bike.
1d
comment Why are there BMX off road races
@Giannis - The BMX (dirt track) form factor was around long before mountain biking and suspension. By the time MTB came around BMX bikes and categories (i.e., wheel size) were highly standardized. Tracks were also highly tailored to the BMX bikes by this point too. Starting in the 90's many BMX clubs even introduced MTB bike categories to encourage cross-overs. That said, on a BMX dirt track a BMX bike is faster. Smaller BMX bikes are easier to manual and pump the whoops. Suspension is not needed either as the tracks are smooth and jumps are landed on the transitions (hopefully!).
1d
comment Relationship between chain tension and chain wear
@super - do you have data to back this claim up? I have actually been measuring chain wear versus mileage and duration across a variety of setups, including single speeds for a few years now. I have not seen any results that would come close to backing your claim. You are expounding opinion as fact.
Apr
29
comment Garmin Edge Touring - Quality of the maps
One potential advantage of the City Navigator maps is that it has a listing of handy destinations such as grocery stores, train stations, etc which can be handy. Does the "Garmin Cycle Map" have this too? This can be handy when travelling in foreign country without a data plan!
Apr
23
comment Is Ultegra 9 speed compatible with Sora 9 speed?
+1 - I have been pleasantly surprised by the quality of Sora 9 speed components and shifting (with bar cons). I also tried out some recent the Sora STI shifters and noticed that they have a very similar ergonomics to my Ultegra 6600 STIs. I agree that the OP will likely do just fine.
Apr
22
comment Chain vs chainless options
During the previous winter I need to change around 1.5-2 months. 250 km/week + very muddy tracks (continuous rain) + cheap chain (Tiagra) + incomplete fender coverage resulted in massive drive train wear. The Tiagra chains were dying at around 1500 km or 1.5 months. My point is my experience is anecdotal just as your experience is anecdotal. Prescribing duration rules based on your experience assumes everyone reading the answer rides a bike in similar conditions and in similar amounts. The world is a diverse place.
Apr
21
comment 90 mile round trip work commute
Even dug out some 15 year old 9 speed cassettes from the collection. Still ran fine.
Apr
21
comment 90 mile round trip work commute
For winter I went back to 9 speed. It stood up quite well to the continual mud bath I was riding in on the gravel trails I take in the winter. I simply wiped the chain clean (then oiled and wiped clean again) every couple of weeks. Some how was getting 2500 km out of a KMC chain in that muck. Shifting (Durace bar cons) remained flawless all winter with no adjustment. I also used long metal fenders and a wide leather mudflap that comes to within an inch of the ground. This kept a lot at of junk at bay.
Apr
21
comment 90 mile round trip work commute
Having commuted on both, I agree it is mostly a fallacy. You do need to keep the cogs, derailleur pulleys a little more clean with a geared bike (perhaps 10 min every couple of weeks), but the advantage gained by being able to have the right gear on long commutes is huge. Older lower speed drive trains (e.g., 7,8,9 speed) seem more immune to conditions than higher speeds (10-11) in terms of consistent shifting under bad weather.
Apr
21
comment Chain vs chainless options
@whatsisname - I agree. The number of incorrect statements based on anecdotal experiences is frightening. For example, I personally have to change my chain about every 1 - 2 months due to mileage and conditions. It would be foolish to the same interval to more casual riders.
Apr
21
comment Pedal snaps at every rotation
Not necessarily. The OP stated that the problem lessens when riding inboard on the right pedal. There could be a problem with outboard bearing.
Apr
17
comment When is a wheel considered true?
A great summary. Any standards or rules of thumb on an acceptable amount of out-of-round, lateral runout and dish? I am looking at the front wheel I just built and wondering if there is much worth trying to do better than 0.5 mm out of round. (This is coming from a hobbyist perspective.)
Apr
16
comment Road positioning when stopping at an intersection with stationary traffic
@ShemSeger - I specific stated in my comment that none of the cases I linked to involved cars stopped. I don't think the case law exists yet for that exact circumstance, hence you are taking your legal chance unless you are in a dedicated lane.
Apr
16
comment Road positioning when stopping at an intersection with stationary traffic
I will add from @ShemSeger other comments the quote "Under appropriate circumstances, case law suggests that cyclists should be able to legally pass slower moving traffic on the right where the curb lane is wide, provided they are cautious" suggests there is some ability to move up, but the wording to me suggests a lot of legal grey that could be left to the courts to decide if an incident does occur.
Apr
16
comment Road positioning when stopping at an intersection with stationary traffic
@ShemSeger - the fact that case law "suggests" that you "should be able to" move up under "appropriate circumstances" to me raise a lot of red flags. As I said I think there is a lot of legal grey that could be left to the courts to decide if an incident does occur.
Apr
16
comment Road positioning when stopping at an intersection with stationary traffic
@ShemSeger I am also curious if anyone knows the legal definition of "between intersections." This may include the road way all the way up to the edge of the intersection.
Apr
16
comment Road positioning when stopping at an intersection with stationary traffic
@ShemSeger - While BikeSafe BC makes direct reference to legal grey surrounding moving traffic, that does not necessarily imply the converse (passing on the right when stopped) is legal. In a bike lane it seems totally legal. Outside of that circumstance there appears to be a lot of grey.
Apr
16
comment Road positioning when stopping at an intersection with stationary traffic
@ShemSeger - I wish that section in the BikeSafe BC manual was more clearly worded as it does suggest some ability to move up, but doesn't clearly state the circumstances. They could also be referring to a bike lane. I am not convinced the road rules suddenly change when cars are stopped at an intersection. What happens when the cars start to move up? Without a bike lane BikeSafe BC also makes it clear that you can only legally pass on the right when a car is making a left turn.
Apr
16
comment Road positioning when stopping at an intersection with stationary traffic
The following link has a number of case law outcomes from cyclists passing on the right. None of these are specifically for cars stopped at an intersection, but again I do not believe the laws suddenly change in this instance. bc-injury-law.com/blog/tag/passing-on-the-right