Questions tagged [performance]

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49
votes
10answers
56k 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 ...
27
votes
5answers
16k 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 ...
10
votes
2answers
22k 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 ...
20
votes
11answers
22k 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 ...
14
votes
4answers
1k 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 ...
40
votes
12answers
6k views

Why do cyclists shave their legs?

Why do cyclists shave their legs? Is it because of wind resistance?
19
votes
1answer
2k 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 ...
12
votes
15answers
1k 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 ...
7
votes
5answers
2k 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 ...
9
votes
6answers
6k 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 can'...
5
votes
6answers
1k 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 ...
5
votes
2answers
311 views

Planning to purchase a road bike

I am 57 years old, 182 cm and weigh 105 kg. I have been cycling for the past 5 years, mostly with a city bike, Trek 7.5 FX. After a trial of a long distance lasting a week with that bike, I realized ...
5
votes
1answer
436 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 ...
4
votes
1answer
820 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 (10-15mph)...
2
votes
2answers
568 views

Switching to touring bicycle: Performance considerations

I'm using a road bike more than 2 years for holiday tours and commuting. Merida Scultura 903 Shimano Tiagra groupset (50-34, 12-28) 8-9 kg 700x23 tyres Now i have plans to switch to touring bike. ...
1
vote
5answers
13k views

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

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 you ...