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Mar
4
comment Shifter Options for 105 3x9 upgrade
@Batman, you are right. I was looking at the 3400 level shifters, while the 3500 is the current generation. However they are both 9 speed. So 9 speed Sora exists in both thumb actuated and lever actuated downshift.
Mar
3
comment Size advice needed for Revolution Country Traveller touring bike
What seems odd is that somebody who is 5'9" would be on the smallest model. You aren't short, so I wonder what they would recommend for a short person. Based on the sizing guide it looks like you would be on the 55 cm.
Mar
3
comment Size advice needed for Revolution Country Traveller touring bike
Did you try contacting the shop to see what they have to say about that specific bike? Unless somebody on this site owns that specific bike, we probably won't be able to help you much, as the site doesn't seem to give very specific measurements of the various frame dimensions.
Mar
2
comment What is the handlebar size for an old road bike?
According to Sheldon Brown, the most likely size would be 25.4 mm. This page is a little dated though, and most road bikes will now use the 31.8 mm size. Again this should actually be something you should measure properly.
Feb
27
comment Why are chains sold in fixed lengths rather than by the meter?
I'm with @Slovakov. I always keep a few extra links in my saddle bag, and I have a chain tool with me. I tend to pack a bit more than most people I ride with, but it's good to know I'm prepared for just about anything.
Feb
26
comment Converting from square spline to external bearings, what do I need to know?
By the time you buy an entire drive train, you can often afford to replace the entire bike, or not be very far from it.
Feb
25
comment What kind of brake pads for Dia Compe centre pull brakes
Yeah, it looks like you can still get "vintage" pads. However, I'm wondering if anybody has tried something else and had any information on how other types of pad performed. Velo-Orange shows them with what looks like their basic road pads
Feb
23
comment 9x4 spoke pattern
While the spoke nipple placement seems the same in those two examples, the lacing pattern seems a bit different.
Feb
23
comment Air Pressure on wheels
Assuming x is in bar or PSI, as those are the common units used, then, having an x value of 90 would mean that the front tire is at 89 PSI, and the rear tire is at 92 PSI. You might as well just call it x, as most pumps don't even measure that accurately, as 2 psi is not going to make a huge difference. If we are talking bar, then then we have an x value of 6.2 bar (90 psi) and we have the front tire at 5.2 bar and a rear tire at 8.2 bar, which is too much of a difference to be reasonable. Also, I can't seem to get a value for x that makes sense value no matter which units I use for weight.
Feb
23
comment Air Pressure on wheels
Also, if the pressure is too high, then the tire will be unable to absorb irregularities in the riding surface. In a velodrome, pressures around 180 psi are not uncommon, but on the road this is unheard of because it would be uncomfortable, but would also require the bicycle to be lifted over the bumps, causing quite a bit more lost energy than simply having the tire deform around small bumps.
Feb
20
comment What kind of bicycles do they ride in the Tour de France?
There's a rule in the UCI that parts must actually be commercially available, so by definition, they have to be riding stuff that's available in bike shops. However, you'll only see them riding the top end stuff, and if you were to buy the same bike from the shop, it would probably cost you $10,000+. I personally think the only reason these bikes are sold in shops is because it's required the pro parts be available for sale. The bikes they ride in the TdF are way more advanced than most people would get from a shop. You won't see the pro's using Shimano 105, even though it's quite good.
Feb
19
comment 3 flats in 650 miles (1030 km) on hybrid bike. Tire pressure wrong?
Could just be cheap tires. Tires is one of the things most often skimped on, even when purchasing a high end bike. Most people buying a hybrid would not even stop to think about asking what kind of tires were on the bike. That isn't to insinuate anything negative about people who buy hybrids, I've bought one before myself. However, I think that many people who put any serious mileage on a bike will come to the conclusion that a road/touring/cyclocross bike is a much better option as the drop handle bars allow the ride to be a lot more comfortable due to enabling more hand positions.
Feb
12
comment Winter deraillers
If you don't have horizontal or semi-horizontal dropouts, you may still need a chain tensioner with an IGH, but they are much more simple, and some have no moving parts and therefore have fewer problems.
Feb
6
comment Will 40km E-Bike trip in Texel Island(Holland) be hard for untrained people?
My only real concern would be how well they knew how to ride a bike. Sure, quite a few people learn how to ride bikes as kids, but many of them stop before they've even had a chance to ride with gears. If they haven't biked in a long time, then riding an e-bike might actually be more difficult than riding a plain old pedal bike. Depending on traffic, road condition, and other factors, some people might actually have trouble handling the bike itself.
Feb
6
comment Will 40km E-Bike trip in Texel Island(Holland) be hard for untrained people?
I meant moderately fit as in not majorly overweight or other physical conditions that would lead to problems of increased activity. I recommend that you see if you can rent some e-bikes at home (or just a single one to share for the day) to get a feel of what it's like if you are unsure.
Feb
6
comment Will 40km E-Bike trip in Texel Island(Holland) be hard for untrained people?
As long as the E-bikes have a range of 40 km on the terrain you are traveling (range will vary depending on hills), you should be fine. 40 km would be quite a short ride, and even at a moderate pace of 20km/h (most e-bikes max out around 28 km/h depending on jurisdiction) it would only be 2 hours of actual cycling. As long as your group is in moderately good physical condition, it should not be hard.
Feb
6
comment Cycling Computers for seamlessly uploading to Strava?
I don't own one, but most of the time for stuff like this if you just don't have Garmin Connect installed, or make sure the background process isn't running. From the sounds of it, Garmin Connect will come up as soon as you plug it in.
Feb
5
comment Can I use a 1“ stem on a 1 & 1/8” steer tube?
In that case, they also make adjustable angle threadless stems. I had one before, and I didn't really like it, as it had some movement in it. Maybe mine wasn't good quality. Anyway, I understand why you'd want to use a quill stem in this situation. Makes adjusting the height pretty easy.
Feb
5
comment Cycling Computers for seamlessly uploading to Strava?
Funny how the cycling specific units make it more complicated to upload you rides. I have an Oregon 450, and all I have to do is plug it in, it shows up on my computer as a USB drive, I go to Strava and upload the file. Couldn't really be any simpler.
Feb
4
comment Is 11- 34 rear cassette necessary?
The other option, which would end up being more expensive, would be to switch to a triple chainring in the front. This would require changing the shifter as well. This would give you more range, while allowing you to keep the spacing between the cogs the same. I had an 11-32 before and I found the difference between successive gears was too big and I was always in too high or too low a gear to be really efficient. I already had a triple, and went with a 12-23 as I was able to find the right gear a lot easier.