1,613 reputation
11015
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location Luxembourg
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visits member for 4 years, 4 months
seen Nov 11 at 13:34

Oct
26
comment Seatpost Overextension
Agreed, not only a frame is expensive, but replacing a frame may mean a lot more additional work compared to replacing a seat post. Effectively, the bike may be "totaled" after breaking the frame.
Feb
6
comment iPhone app to follow/navigate an imported .gpx
Does it do voice guidance? Can you post more screenshots of what it can do? Does the GPX file have to have waypoints defined?
Jan
21
comment Second wheel set for winter
Also same cassette size
Aug
17
comment Will a change from 26x2.10 to 26x1.95 tires improve speed?
Duplicate: bicycles.stackexchange.com/questions/1952/…
Jul
28
comment What kind of pump do I need for this valve?
Just in case, you might want to consider posting the picture of your pump end, as well. There might be a way.
Jul
28
comment How do I descend faster on the straightaway?
"Others may argue"... I'd like to do just that. Why on earth would aero wheels act different on the descent than on the flat?
Jul
28
comment How do I descend faster on the straightaway?
Have you actually tried to calculate the differences between different hubs? Should be fairly easy to do just by measuring the difference in stop times. I would wager that these differences are on the order of a small fraction of watt. Not much when compared to the total power dissipated in a fast descent, which can easily be more than 1000W.
Jul
17
comment Why don't most MTBs have rear shocks?
@BillyNair - Perhaps that is true for you, and for the particular type of biking you do (dual/4cross XC?). But in general - control is considered as one of full suspension's advantages, not disadvantages. The large majority of downhill races competitors use full suspension bikes, the bigger shocks, the better. Personally I also find that I can descend much faster on a FS bike.
Jul
15
comment How important is it for a cyclist to be able to perform tricks?
@Jefromi - why is riding in tight spaces amongst traffic inherently unsafe? People ride amongst dense traffic all around the world every day, and typically, it's not what kills them. Tight spaces can be actually safer than an open road, because in tight spaces everybody rides slower and is more watchful.
Jul
15
comment How important is it for a cyclist to be able to perform tricks?
Agreed with the commenter - no hands, bunny hop and track stand are probably the (only) must-have tricks for any "serious" cyclist. Thing is, one normally acquires them in the process of becoming this serious cyclist, regardless whether one specially practices them or not.
Jul
12
comment Would the seating position of a road bike cause issues with prescription glasses
Good point - not having the ideal glasses is not a reason not to get a road bike. But do get proper eyewear, eventually. If you leave a big enough opening between the glasses and eyebrows, sooner or later a nasty insect is going to fly into your eyes at speed; not fun. It may also be a matter of where you're riding; in Utah you probably don't have a big problem with insects, but it will be different in places more teeming with life.
Jul
12
comment Would the seating position of a road bike cause issues with prescription glasses
Good point about the cheapo cycling goggles, it might be an effective third solution, if you're not afraid to look dorky :-)
Jul
9
comment Are slick tires worth it for commuting?
@amcnabb - You are exactly right, it does not even make sense to make a graph for am unspecified, non-zero, but positive grade, for the purpose of comparing rolling resistance to air resistance. Plus the source of the graph is Schwalbe, and it's obviously in the interest of the tire manufacturer to overplay the relative importance of rolling resistance.
Jul
9
comment Are slick tires worth it for commuting?
Now we are splitting hairs, but what do you exactly mean by commuter bike speeds? I see two different commuting approaches possible - either you absolutely avoid getting sweaty, and so you indeed ride at less than about 100 watts, or you don't, in which case you ride as fast as you can (probably about 160-200W for an untrained male in OK shape). In the former case it's true that rolling resistance is of relatively bigger importance. But as the OP cares about speed, I suspect we are rather talking about the latter approach.
Jul
9
comment Why are tubeless tyres popular in mountain biking?
Against pinch flats (snakebites) I can understand why - but can you explain why the tubeless tires are especially good against thorns? I don't get it.
Apr
26
comment iPhone app to follow/navigate an imported .gpx
While MotionX is not exactly what I was asking for, I have downloaded it and used it for over a year and I can confirm that it's an excellent app for cyclists (or anyone who navigates in a terrain). What's especially compelling about it is that it can download maps to local storage, in a dead easy way, so it's extremely useful during foreign trips, when downloading maps on-the-fly via 3G connection can be prohibitively expensive.
Jan
23
comment What is the “preload” setting on the front fork suspension?
Typically so, but just to be sure I would consult the manual for your fork to see if it adheres to the convention.
Jan
22
comment Is my interval training routine effective for mountain bike training?
Yes, as long as, again, you don't mix it in with weight training. The idea is that if you want a session of higher intensity training, such as threshold, intervals, or sprints, to be effective, you should train hard. You should feel like you should be carried off the bike at the end of the session. Then rest at least two days before attempting another hard session.
Jan
22
comment What are the advantages and disadvantages of riding a smaller Mountain Bike frame?
@Jahaziel The internal forces in the frame will be smaller, but the external forces exerted by the necessarily longer stem and seatpost will more than make up for it, because proportionally more leverage will be added externally than removed internally.
Jul
12
comment What kind of bicycles do they ride in the Tour de France?
@Robert Korytnik: You're right, I was projecting from maybe 2007, when I remember some sprinters still used alu frames for their better stiffness. Edited.