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2
votes
3answers
118 views

Optimal beginner training

I have been road biking for about 6 months now (before that mostly running and gym.) I signed up for a 300km race (mostly flat), and my goal is to pass it in 9h. My current level of biking is 90km in ...
1
vote
2answers
114 views

Should one pedal over a mild slope? [duplicate]

I do a bit of cycling these days, as in nearly 50 km a day. I do a ring-route. And, there is a mild slope, safe enough to sprint on, and roughly 2 km long with at a worst-case 400 m line of site ...
2
votes
1answer
169 views

Why is it important to keep bearing sets when greasing a campagnolo hub?

In almost all cases where hubs are regularly serviced, bearings don't need to be replaced. The general consensus though is to replace bearings after so many thousands of kms. Many posts on the web say ...
1
vote
3answers
3k views

Giant Revolt 2 vs Giant Anyroad 2 drag/roll resistance

I own two bikes: Giant Revolt 2: http://www.giant-bicycles.com/uk-ua/bikes/model/revolt.2/17270/72372/#specifications Giant Anyroad 2: ...
1
vote
2answers
259 views

Pedal weight and performance

What's the performance difference between getting speedplay zero stainless and titanium, 206g vs 164g. Only focus on weight and not quality of bearings etc. I suspect the difference won't be ...
1
vote
1answer
378 views

Wheel performance in cross wind

I'm looking to buy a pair of Mavic Cosmic Carbone SLE or Mavic Ksyrium SLR. The Cosmic's are 50mm height, Ksyrium 25mm. I'll only be using the wheel for racing. How do they perform in cross wind. ...
5
votes
5answers
318 views

What subtle factors affect performance in unsubtle ways?

As a non-professional biker who commutes on a bike daily I've been noticing that some factors that I didn't think would make much difference in how fast I go or how quickly I get tired have a much ...
24
votes
5answers
6k views

Are there any scientific studies proving the benefits of clipless pedal systems?

Have there been done any scientific studies that proves that clipless pedals actually improve pedaling efficiency etc. over flat pedals? Clipless pedal enthusiasts are quick to say that you must use ...
4
votes
1answer
393 views

DIY computational fluid dynamics for aerodynamics?

Has anyone experimented with using consumer 3D software to do CFD-like aerodynamics simulations? Specifically, I was thinking: Setup the bike on a trainer (with rider) Take a series photos, and ...
11
votes
4answers
2k views

Extra power needed uphill for weight increase

How much does weight mean when going uphill? Let's say I'm going up a mountain with 1000 m of elevation and it's quite steep: 10%. Let's also say I can maintain 250 watts. If I add 1 kg of weight to ...
16
votes
1answer
996 views

Relative efficiency of different commute bike setups

My interest is in long distance commuting (e.g. more than 50 km a day) and the relative efficiencies of different commute bike setups (e.g. drop bars vs flat bars, fenders vs no fenders, panniers vs ...
3
votes
1answer
301 views

How much does nipple choice affect wheel weight/stiffness?

Would I be a fool to replace the nipples on a Dura Ace 7900 C24 wheelset with a set of DT Swiss anodised alloy nipples, in the interest of aesthetics? I want the bike to look nice, but don't want to ...
-1
votes
1answer
370 views

Lighter bike for climbing [duplicate]

Possible Duplicate: What is the effect of adding weight to a wheel vs adding it to the frame? Do lighter wheels make a significant difference when climbing or would a lighter frame do the ...
3
votes
4answers
972 views

How does stiffness affect experience and performance?

I see many mountain bike reviews and articles discuss the stiffness of frames, forks, wheels and other components. Here are some questions which cross my mind: What is the definition of stiffness? ...
7
votes
6answers
2k views

Will changing from a touring bike to a racing bike improve my energy level?

I'm 50 and have been cycling for years, but only 25 mile rides and indoor training. I've been training for 8 weeks, adding 5 miles a week to my big ride, but at 60 miles it is taking me 4:20 and I ...
5
votes
1answer
321 views

Maintaining an old bike properly

I have a 6 years old bike, I got it when I was 9. It's a great bike, however I've always had the problem of maintaining it properly. I have a few questions which I hope to get answered here. Before ...
14
votes
9answers
7k views

How does a bike's weight affect the overall experience of owning it?

Naturally, carrying a light bike up the stairs is much more enjoyable compared to a heavier bike. Are there any other aspects of a bike which are affected by its weight? For example, would the weight ...
5
votes
2answers
2k views

How do half link chains perform for long term use?

i was wondering if there is anyone with a Rohloff hub riding half link chains for longer. OK, the hub isn't essential it's just a single speed chain, so experience from anyone who rides more than the ...
6
votes
2answers
715 views

How to significantly lower HR[avg] while improving performance output

On my Saturday's ascent race I was riding 181bpm HRAVG and saved some power for the last km where my HR peaked at 190 (which is my highest ever recorded HR at my 37 years or age). I felt rather normal ...
1
vote
2answers
132 views

warm up without bike

Next weekend I'll participate in a relay triathlon (1100 mts. swim, 7 kms. run and 13 kms. MTB). I'll be doing the bike section, which is the last. Bike needs to be at the boxes area an hour before ...
1
vote
5answers
5k views

Choosing a foldable 20" bike: Schwinn S2280 vs. Citizen Bike Miami

At the moment, I'm in the market for a foldable 20" bike, for commuting purposes. I've done my research, and have found two appealing models: Schwinn S2280 Citizen Bike MIAMI Which of them would ...
3
votes
6answers
648 views

Age-specific information for cyclists

I was reading a discussion (Cycling: mashing versus spinning) in which someone commented ... In the big picture, winning against other age-groupers is pretty unremarkable. ... which implies ...
3
votes
4answers
1k views

How to warm up / stretch and cool down?

I'm starting to ride again after a couple of years of not doing any sports at all. I dimly remember some stretching exercises back from school, but I don't know if I'm doing it right at all. Instead ...
13
votes
3answers
2k views

Should I eat breakfast before or after morning ride?

I am planning to do some (1-2 hours) base training rides in the morning before work. Should I eat something before the ride? From my knowledge, there should be enough glycogen in muscles to power me. ...
15
votes
4answers
10k views

Explaining the effects of frame geometries

I asked about buying a bike here, and someone asked on my behalf about test-riding a bike before buying. My question is, what should I know, or should have known, about the sizing or 'geometry' of a ...
9
votes
2answers
5k views

Can I get smaller tires without changing my rims?

I currently ride a hybrid that came with 700x32c tires. Can I swap out a narrower tire without changing the rims, or do rims only fit a specific size of tire? How small can I go before I have to buy ...
3
votes
1answer
610 views

Gary Fisher Kaitai suffers from handlebar wobble at moderate speed with 10lbs on rear rack

I have a Gary Fisher Kaitai, their low-end hybrid. I use the bike for commuting so I have a rear rack and typically carry between 5 and 12 lbs back there. When I get up to moderate speed ...
2
votes
1answer
796 views

Where can I buy a Bianchi Pista Concept?

I would like to buy a Bianchi Pista Concept 2005...2009 like this one: http://velospace.org/node/24912 Where can I find this bike in London, UK? And what should I check before buy it? Also, How ...
9
votes
4answers
686 views

How can one maintain cycling fitness as one ages?

As I approach my mid-50's, I'm looking forward to a few more decades of cycling if all goes well. How can one avoid and/or mitigate age related issues in order to maintain cycling fitness? I've ...
9
votes
4answers
582 views

Will stretching make me slower?

I have heard rumors that (excessive) stretching can hurt cycling performance. Specifically, stretching one's hamstrings and/or quadriceps supposedly reduces sprinting power. Is there any factual basis ...
7
votes
5answers
1k views

What are the 'easiest' ways to determine functional threshold power?

I recently picked up a powertap and have done a fair bit of riding around and a few races now with it on, so I've started to get familiar with some of the numbers. I would like to figure out what my ...
12
votes
15answers
902 views

What's the best way to track your performance?

I was checking some options to track my performance (kms/hr, distance, altitude, etc...), I do MTB and city biking. The first choice is a nokia based tracker (http://www.sports-tracker.com/), I love ...
30
votes
10answers
2k views

Why do cyclists shave their legs?

Why do cyclists shave their legs? Is it because of wind resistance?