All Questions

8
votes
1answer
150 views

Disabling back-pedal brake

I have a bike with the so-called back-pedal brake, but since it's for someone who's learning I think that it's more an obstacle than an advantage. Since the bike also has hand-actioned brakes, can I ...
6
votes
2answers
128 views

Improving metabolic efficiency

I'm doing road cycling, on hills, over long distances. Typically at the moment, I'll do two 30-40 mile evening rides in just under 2 hours. Generally either 50ft per mile climb or 100ft per mile ...
5
votes
3answers
188 views

Is this an abnormal rate of spoke breakage?

I just broke a spoke and this is the fourth spoke I've broken in the last 12 months. This one was very puzzling because it came at the very end of an easy 30 mile (48 km) ride. I was pedaling very ...
4
votes
2answers
205 views

How to get back on the road again?

I am from Mumbai, India. And as some of you might be knowing, it is a pretty crazy traffic on roads here. Many times, it so happens that trucks, cars etc. may force you to get off the road while you ...
3
votes
1answer
92 views

Formula to calculate Single Speed Chain Length from Chainring Size, Cog Size, and Chainstay Length

I've seen formulas to calculate chain length for multi-speed bikes, but I need something for single speed. Example: 42T Chainring 17T Cog 406mm (16") Chainstay Length The answer in this case should ...
1
vote
1answer
73 views

Rear brake rubs against the tire

I just had my rear tire replaced at an -- admittedly shady -- bike shop, and now the upper part of the rear brake is rubbing against the lower part of the tire: The yellow dust on the picture ...
1
vote
1answer
73 views

Allen Coggan Table - Formula for a best fit to time frames

I'm sure lots of people are familiar with the Allen Coggan Relative Power table that then relates your 'score' to what category rider you are. My question is that given rides/segments/hill climbs are ...
3
votes
1answer
103 views

Bike type suggestion for packed limestone trails

Sorry, for the beginner question. Where I live (Ontario, Canada), I am lucky enough to have a number of packed limestone trails (former railways). Those are fairly flat and great for bicycling. They ...
0
votes
0answers
19 views

Cycling communities organized rides in Leipzig , Germany

in my country Dudes usually gather and make some Cycling groups , they usually organize rides during weekends periodically. i'm planning to spend some time in Leipzig, Germany this summer and i know ...
0
votes
2answers
97 views

Rim width / tire section tolerance?

I have a Mavic Open Pro rim in 700 diameter. The manufacturer recommends tire widths between 19 and 28 mm : http://www.mavic.com/en/product/rims/road-triathlon/rims/Open-Pro How strict is this ...
0
votes
1answer
51 views

Brakes contacting wheel after reattaching

I removed the rear wheel (quick release) from my Trek bike to install a bike trailer hitch. After replacing the wheel, the brake pads are rubbing. I did over-tighten the wheel when I first put it ...
1
vote
1answer
77 views

Is it ok to use a 9spd link on a 10spd chain?

I accidentally broke the master link (a.k.a reusable missing link) on my 10psd KNC x-10 chain. Since I only had a SRAM 9spd replacement link, i used that to connect the chain. I rode 30 Km without any ...
7
votes
3answers
106 views

When is a child ready to switch from scooting to pedaling?

Last year, we bought a child-sized bike and removed the pedals. My three-year-old has been using it as a push bike (a.k.a. balance bike, run bike, or scooter) and learning how to balance. The plan is ...
7
votes
5answers
618 views

Is cycling better than walking to lose weight?

I want to lose weight. I commute to my office daily by walking 3 kilometers. If I buy a bicycle and use it for commuting (total 3 km daily), would it be better than walking?
3
votes
2answers
70 views

Shimano Alivio with Sora compatibility

I have Giant Defy 3 2012 and I want change handlebar from drop down to straight. I wonder if I can use Shimano Alivio M430 3-9 shifters with my front and rear Sora derailler. Thanks for advice
1
vote
2answers
102 views

Chain guard for a belt-drive bike?

So this morning I'm riding to work on my shiny new tourer, when my trouser leg gets caught in the Gates belt drive. Not good! I'd rather not go the leg-strap route if I can avoid it, which leads me ...
3
votes
2answers
154 views

Can a 10-speed mountain bike chain be used on a 10-speed road bike?

I would like to use a Shimano Deore XT Chain CN-HG94 on my road bike. Are there any differences between roadbike chains versus mountain bike chains that prohibit this? Sample Road Bike Chains: Dura ...
2
votes
3answers
323 views

How to ride to work without sweating?

I'm looking to commute to work in hot Montreal (but anyone who bikes to work in a city with temperatures above 20 degrees Celsius (68 degrees Fahrenheit) at some point of the year will be in a similar ...
1
vote
2answers
51 views

What torque for caliper brakes onto carbon-alloy forks?

I've recently got a new bike with a Kinesis DC07 carbon/alloy fork. This comes with deep-drop calliper brakes (Shimano R451 Dual Pivot). The first time out I bumped one of the brakes and it twisted ...
4
votes
4answers
183 views

Is a Racing-Bike making creaking noises a sign of equipment damage?

Last Sunday I noticed that my bike makes creaking noises (similar the hull of a ship, but on bicycle scale - imagine a rat making the sound "creak"). It seems to me that this is related to stressing ...
1
vote
1answer
160 views

Continuous Peloton

Is it possible on a short enough circuit with enough riders to create a peloton that extends all the way round the circuit. Even in a single line? Lets assume the riders have a professional level of ...
1
vote
2answers
73 views

Running one wheel with clincher and one with Tubular

I have a carbon clincher wheelset and am looking to get a disc wheel, but don't want to spend the money for the clincher version. Would there be any foreseeable issue with running one wheel with a ...
4
votes
5answers
391 views

Is there anything I can do to prevent snakebites (pinch flats)?

Riding in an urban setting, I've lost two tubes in the last week to snakebites, and it's easily the most common way for me to get a flat. I've got Gatorskin treads, which help prevent standard ...
3
votes
2answers
198 views

What is the braking (stopping) distance for bicycles?

A vehicle driver must keep enough braking distance (aka stopping distance) between him/her and a vehicle in front in order to avoid collision. It depends on the driving speed. What is the braking ...
0
votes
0answers
48 views

Solid Foam Rubber Inner Tubes For Mountain Bikes [duplicate]

Whatever happened to the solid inner tubes for mountain bikes? I now have a 29" tires and I been trying to locate the foam tire tubes online. Who makes them and where can someone buy a pair of them ...
1
vote
1answer
104 views

Is it possible to date Shimano components?

I have heard that Shimano releases an updated or redesigned component line about every four years. The old technology then passes down to the less expensive product line. If this is true, theoreticaly ...
1
vote
2answers
49 views

Metallic vibration sound while cornering - hybrid/CX tires

I ride a Surly Cross Check with stock everything. When I take a corner quickly on asphalt, I hear what sounds like metal vibrating, seemingly coming from the area of my front wheel. I'm used to ...
2
votes
3answers
161 views

What is the difference between race/road and cx bikes?

The only differences I know is that road bikes are often lighter and uses different set of brakes. But what else are the main differences?
3
votes
3answers
111 views

BMX gearing - for road / commuting

I have a 2010 Haro Pro Race, which I bought for commuting and general tomfoolery. I commute on it 2 miles a day, and I want to be able to go faster by changing the current single-speed gearing ...
3
votes
1answer
127 views

Is there a reason why one's calfs would ache on a Turbo or Spinner, but not when riding on the road?

I'm not on my own on this one as at least two other people in my Spinning class suffer the same: when Spinning or on the Turbo Trainer, I can feel pressure on my calf muscles after a bit of time ...
3
votes
1answer
77 views

Grand Tours - Total Ascent (By stage, particularly the giro)

I'm looking for information on stages of grand tours, particularly the upcoming Giro. I can find details of total distance by stage, and the amount of ascent on the key climbs of a stage, but I'm ...
3
votes
5answers
374 views

A bike for city commute - disc brakes, bar-end shifters, tires

I'm planning on buying a bike for city commute. My commute to work is approximately 12km (7.5 miles) one way. I live in Vancouver which means: I'll be riding in rainy weather frequently. I'll be ...
9
votes
2answers
214 views

Will a bike stand that holds one wheel damage my bike?

I have a similar bike stand to this at home: I'm happy putting my wife's and my commuter in it but worried that it will damage the wheels of my XC bike if left in there for long periods. Can wheels ...
0
votes
2answers
91 views

Upgrading my cockpit- brakes, stem and bars for longer reach

I want to upgrade my cockpit so that I have a longer reach. I currently use it as my city bike. Its an old vintage HR bates frame. Currently the stem is a little short. I want to change the bars - ...
1
vote
2answers
90 views

Cannot raise V-brake blocks high enough to align with wheel rim

After adjusting my V-brake blocks to their highest setting on the lever, they still do not align with the wheel rim (they sit half on, half off). Is there any thing I can do about this, or is it an ...
7
votes
2answers
463 views

Why are single-speed bikes with disc brakes hard to find?

I've been looking around for bikes (decent frame & components), and find that hybrids do have disc brakes (hydraulic), but are never single-speed. While single-speed bikes typically have ...
5
votes
2answers
160 views

Should I sell a custom built mountain bike as a full bike or break it into parts?

I have a bike that I have built up over the last few years. It's a good bike and works as it is, with a good quality components. However, I want to sell it. Is it best to sell it broken down as parts ...
2
votes
0answers
79 views

Rear Derailleur Curled Up

I recently bought a bike for the first time in 10 years and after riding it for a couple of days the rear derailleur curled up like an insect ready to die. Is there any way I could fix that or am I ...
2
votes
3answers
106 views

How do I tighten up my headset?

I've got an old bike with a quill stem, and the headset arrangement has a nut, and a textured lock ring. I presume I should tighten with a combination of a spanner and mole grip. Is a mole grip the ...
4
votes
1answer
115 views

How do I remove the freewheel side of a flip flop hub?

I've got one of those flip flop hubs, and I need to remove the freewheel side and either service or replace it as it has started slipping really badly. What tools do I need?
0
votes
1answer
26 views

Ball bearings replacement for Windsor 4500

After riding my Windsor 4500 for about 2 years, I got some advice to replace the ball bearings for both tires before going on a long bike trip. I plan on replacing these myself. Could someone tell me ...
-1
votes
1answer
79 views

Where should I sell my H.R. Bates frame? [closed]

I've been told very good things about this bike frame and there are a few sites devoted to it like: http://www.classiclightweights.co.uk/builders/bates.html I have been intending to upgrade and give ...
0
votes
1answer
115 views

Minimum mountain groupset hard enough to resist abuse

I'm looking to upgrade my mountain bike and I would like to get something better than I have, if justified. I've never ridden any groupset better than alivio/deore, which work ok for me and have ...
5
votes
3answers
361 views

What does “claiming the lane” mean?

If one is "claiming the lane" does that mean: a) they simply ride on the street (i.e. on the left side of the lane in the US, Germany, France, ..) or b) they are riding in the middle of the lane, ...
-1
votes
0answers
51 views

What are some ways of coping with asthma while biking? [closed]

I have suddenly had more trouble with it this year after years of no trouble. I use a balaclava in even slightly chilly weather. I also take it easy when I am feeling congested. I always carry ...
1
vote
1answer
97 views

Chain guards for front derailleurs: Metal alternative to SKS chainboard?

Can anyone recommend an aftermarket, front-derailleur-compatible chainguard (along the lines of the SKS chainboard) that's not made of plastic? Maybe something like the one on the Marin Bridgeway ...
3
votes
3answers
178 views

What factors determine stem length ?

Recently I went to a local bike shop to get a bike fitting advice. After taking body measurements, I was given a frame size recommendation. According to that, seat tube size, top tube size and stem ...
1
vote
2answers
62 views

Watts per wheel on my cyclocross

I have a pair of Continental Cyclocross Race, 700x35c, folding for my Fuji Cross 2.0 cyclocross. I just bought a pair of Continental Grand Prix 24. I had a look at this study where different tires ...
3
votes
1answer
107 views

Does riding with suspension locked do any harm long term

I bought a Trek 4300 MTB a few months back as my main intent was to ride off-road on local dis-used railway paths. I've since moved house and my main use of the bike is now for my commute to work. ...
0
votes
1answer
97 views

Cycling fast - and brakes don't work - what to do? [duplicate]

I hope this doesn't occur to any of us, but it can. What must the cyclist do when he/she is cycling (too) fast and needs to stop or slow down immediately, but neither the front and rear brakes work ...

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