2
votes
1answer
182 views

Why are tires that fit 622mm wheels called 700C [duplicate]

where does the 700 come from and what does the C stand for in 700c?
2
votes
1answer
429 views

Homemade Tubeless Tires

As I was browsing Youtube for cycling related videos, this one on making your own tubeless setup caught my eye. The procedure is essentially as follows: Clean a standard rim (not for tubeless ...
2
votes
1answer
602 views

Sudden tyre deflation with no puncture

At the start of my ride yesterday I was passing through town slowly and crossed a section of cobble stones (just a line running across the tarmac). I managed to hit the one cobble sticking out of the ...
2
votes
3answers
257 views

Is this a good bike light? And should I give these people my money?

I was was checking out this bike light. It looks good enough for me. I (rarely) get lost on trails around dusk, but more importantly I commute - a lot by bike. I really just want to be seen. What ...
2
votes
2answers
186 views

Safety check for a used bike

I'm a poor student and I bought a used bike. I don't have experience with bikes and I want to make sure that the bike is safe for me because actually I found the bike in a garbage container and the ...
2
votes
2answers
256 views

Is a fatter tire likely to get fewer flats

Everything else equal is a fatter tire likely to get fewer flats Actually misread another question Is a bigger wheel likely to get fewer flats? So I am posting this question to match my answer
2
votes
1answer
124 views

Do I Install Tape or Valve First on a Tubeless Rim

I've just unpacked a tubeless wheelset and I'm installing tape and the valve. Which goes first? The tape or the valve? My wheelset is the DT|Swiss Tricon R 1700. And the manual says: "Mount the DT ...
2
votes
1answer
681 views

Protecting carbon bike frame after a small chip?

My bike frame is carbon and it recently got a small chip. It's about the size of a pinky fingernail in size. Should I do anything to treat the chip to help prevent it from getting worse? Here's a ...
2
votes
2answers
263 views

Why and how much is riding big-chainring-frong small-cog-rear a negative practice?

A friend of mine is riding consistently in largest chainring front and smallest cog rear. The corresponding teeth counts are respectively 44 and 11. The bicycle is an Acera-level mountain bike with ...
2
votes
2answers
592 views

What does a “dished” wheel mean? How to tighten spokes on such a wheel, without a spoke tension meter?

Should all the rear wheel spokes have equal tension? Or should the spokes from the side of the cassette be tighter, in order to skew to wheel in that direction, and the wheel to be centered in the ...
2
votes
2answers
218 views

How can I fix panniers that have got holes in

I've got some Crosso panniers that have got quite a few holes in. I once fixed a drybag backpack with patches of leather and industrial strength glue which worked like a treat, but I've forgotten what ...
2
votes
1answer
127 views

Chain overshoots cog when shifting from low to high gears

Hi when shifting from low to high gears my chain is overshooting the cog and jumping into the next one. I tried turning the low limit screw outward to move the derailer in towards the low gears but it ...
2
votes
2answers
315 views

At what slope will the best bikes keep a constant speed?

At what slope will the best bikers (in terms of aerodynamics) on the best bikes roll at a constant speed at 80 km/h on an asphalt surface on a dry day? The reason for this question is because it gives ...
2
votes
2answers
173 views

Can heavy tires handle anything that the trail can offer?

I got a Slash and it came with Bontager XR4 Ellite tires. The same evening at the park I had a puncture. Turned out the offender was a thorn to the sidewall (I rode through some cut off and now dry ...
2
votes
2answers
148 views

I am having trouble identifying the manufacturer of this bike

What brand is this logo? Can anyone identify this?
2
votes
4answers
179 views

Safe and proper (or vice versa) left turn in traffic

I'm new to commuting in traffic, and I realized immediately that the left turn (US traffic rules, right turn in UK) in an intersection with a traffic light is just dangerous. My basic questions are: ...
2
votes
1answer
380 views

Best Cassette Cog Material

I am replacing my smallest cassette cog for the 3rd time. I have been using Harris Cyclery's Aluminum Cog Crupi's Chromoly Cog is about 3 times as expensive. Is that still worth it? Can anyone ...
2
votes
7answers
206 views

How to prevent the derailleur cable fibres getting all over the places?

My bike is only 7 months old, but the front derailleur cable fibres are becoming loose i.e. the individual thin metal fibres twised together to form the cable are loosing out. I think I have lost the ...
2
votes
1answer
4k views

how to pump up schrader valve bike?

I'm quite new to bikes. I have a Schrader valve bike with deflated wheels. When I try to pump it up. I take off the protective cap, then there is a valve secured down by a nut (there is another nut ...
2
votes
2answers
2k 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 ...
2
votes
2answers
1k views

Can I damage a tubeless rim using a wire bead tire on it?

This question is very similar to Can I use a standard tyre on a tubeless rim? but while the answers there set out that it's possible I'd like to understand the risks of doing it. I recently saw a ...
2
votes
2answers
387 views

Are flat handlebars stable at high speed?

I live in a mountainous area, and so there are lots of opportunities for descending at high speed. I currently have a bike with drop bars, and when in the drops, I feel very stable doing this. I am ...
2
votes
4answers
769 views

What will happen to a roadbike when rode on broken tar?

I am planning to buy a bicycle (either road-bike or MTB). I personally prefer road-bike. I have to travel on broken tar to reach a smooth tar road. On an average I will cycle 200 km per week out of ...
2
votes
2answers
1k views

Identifying bottom bracket

First and foremost.. I'm slowly trying to replace my bottom bracket.. it makes a kind of knackered-bearings sound when I move the pedals round without the chain attached. This is because I've been bad ...
2
votes
2answers
2k views

Can I run a wheel with a 130mm hub on a mountain bike with 135mm spacing?

I'd like to build a wheelset that would work on my cross bike or my 29er, assuming I had disc brakes on the 29er and rim brakes on the cross bike, is there any way I could use a 130mm hub (that fits ...
2
votes
4answers
3k views

handlebar setup/selection to mitigate wrist pain on multiday rides

On my first multi-day bike tour the only physical trouble I had after a several long days on my bike was pain in the wrists. My current touring bike setup has drop bars with a long fork. I chose the ...
2
votes
4answers
5k views

Which MTB Inner Tubes

I have tried a few brands of inner tubes for off road riding, mainly slime and dr. sludge but recently I have suffered more punctures than I'd care for despite the 'green goo'. My question is what ...
2
votes
2answers
394 views

What do you call the crankset system type on the Sram Apex?

I see these everywhere, but no one can come up with a consistent name for them from company to company. GXP is the closest I can come to a name for the bottom bracket. ...
2
votes
1answer
4k views

Which derailleur should I use with a Shimano 7 speed freewheel 14-34T megarange?

Which derailleur should I use with a Shimano 7 speed freewheel 14-34T megarange in order to prevent the derailleur from rubbing the cassette in 2nd.
2
votes
2answers
430 views

135mm rear end, 130mm rear wheel, Titanium frame

I'm looking at a Ti frame with a 135mm rear end, disc brake. And I have invested in wheels for my commuter, which is disc brake... but a 130 mm spacing. Is 5 mm enough of a concern -- impact to the ...
2
votes
2answers
1k views

Helmet Safety Standards Canada

I am looking at buying a helmet meeting ASTM F 2040, CPSC and EN 1078 safty requirements. Are these reasonable standards and will they protect my head in an axcident? Are these standards recognised ...
2
votes
2answers
2k views

Which threaded headset size do I use?

I have a frame that I want to use. It is an old early 80's Cannondale frame. How do I tell what size threaded headset to use? What diameter should the tube be?
2
votes
3answers
1k views

Vibrations in frame when pedaling

Recently, when I pedal sufficiently hard, I begin to feel vibrations through the whole frame of the bike. They are not so strong as to make the bike un-ridable, but neither are they road chatter. I ...
2
votes
4answers
1k views

Light-weight ladies bike

What about ladies bikes? I tried to buy one recently, like mine but with a smaller frame. It came with 700 wheels. Is that sensible? Shouldn't there be a smaller wheel for a smaller frame? Does North ...
2
votes
3answers
2k views

Child seat (or rack) at the seat post

I have 2 bikes (mountain and road) sometimes I use them in races (mostly MTB) so I don't want to have any fixed accessory on them. I'm looking for a child seat (or rack where a seat can be mounted) ...
2
votes
2answers
572 views

BBB chainring will not fit

As a follow up from my previous question I decided to change my Campag Veloce 53T chainring. I bought a BBB 50T chainring. I tried to fit it over the weekend but it wouldn't fit. I think the problem ...
2
votes
3answers
2k views

How do I know if my cone/cap/bearings need to be adjusted?

I have a custom road bike with (mostly) Shimano parts. I love to ride but I'm not so strong on the technical side. I have quick-release wheels; I regularly (3-4 times a year) put the bike in a bag ...
2
votes
2answers
2k views

How can I move the handlebars on a mountain bike close to the rider without affecting handling and control?

I recently finished building up a mountain bike, with the help of a friend. My initial rides - a few miles, nothing too extensive yet - revealed that I need to move the handlebars a bit up and back ...
2
votes
3answers
6k views

Why is my drivetrain so noisy after replacing the chain?

I ride an SE Lager fixed. On the 30th of May this year I did a bit of an overhaul, replacing the rear cog, chain, wheels, tyres and brake pads. I measured the chain last weekend and discovered that ...
2
votes
3answers
2k views

How can I adjust for uneven brake wear?

Well, my problems with brakes have turned out to be not an issue with pad longevity at all -- see the following picture: Note how the one pad is excessively "toe-in" worn. Here's a picture of the ...
2
votes
1answer
320 views

How to practice jumping over cars with disc brakes and SPD shoes?

This question here raises a sub-question, to avoid accidents. I am looking for some safe ways to practice jumping over cars. I use SPD shoes and disc brakes because I have noticed that I can burst ...
2
votes
4answers
335 views

Affordable GPS with maps?

I have my eye on the Garmin 800. It looks fantastic, but alas I can't afford it right now. I would like a gps / cycle computer that would work well in Europe with maps. What are my options? I want ...
2
votes
2answers
186 views

What tactics other than 'setting an example' successfully encourage friends/family/others to become cyclists? [closed]

We all know the scenario - you buy the girlfriend a bike, you spend a day servicing a friend's bike, you give an old bike to someone in the family or you spend time in the LBS helping a friend get a ...
2
votes
4answers
3k views

Which size spoke tool. Currently size 14

I have this spoke tool. The number I use on this tool is 14. I use it on a hybrid mountain bike. . I want to get one which is easier to use but I do not know which size. Here are the available ...
2
votes
2answers
6k views

Do I need a Blackburn bike rack for my CoPilot Limo kids seat, or will the vintage Schwinn rack do?

I was given a CoPilot kids bike seat and the instructions say that it requires a Blackburn EX-1 rack. But will my Schwinn bike rack do the trick, safely?
2
votes
5answers
12k views

How to straighten a bent derailleur hanger?

I've bent (again) my derailleur hanger. It's a replaceable hanger but for this summer I can't get an original one and I know that the non-original one I can get is made in a harder material and could ...
2
votes
1answer
841 views

Mountain biking: How to ride in mud?

Any one have any tips for riding in mud, and lots of it? I am talking about mountain biking. Update I am doing a race on Sunday, and it rained all week, and there's a chance of rain during the ...
2
votes
1answer
221 views

Why would semi-solid fork make whizzing sound?

Alert the semi-solid fork is probably not the right terminology, it shows that I don't know 100% whether the work has some sort of inner suspension. My bike is almost this one but I feel there is ...
2
votes
3answers
23k views

what size can be the nuts holding the front wheel?

I am trying to install a front wheel in a bike - the axle of the wheel is threaded, but I have trouble finding out what size thread it is, and what nut can go on this. The size of the thread on the ...
1
vote
3answers
143 views

Should I be able to 'manually' rotate the headset?

When I wrap my fingers around my roadie's headset, I'm able to 'rotate' some parts of it freely around. Should this be happening? If it should not be happening, what is causing this and is it ...

15 30 50 per page