1
vote
2answers
655 views

What kind of paint should I use on my plastic mudguards?

I tried repainting my plastic mudguards (fenders) using automotive spray paint. It went on easily and covered well with two coats, but it has no abrasion resistance at all. Within a few weeks my paint ...
1
vote
1answer
198 views

bottom bracket Stronglight JP400 equivalents

I need to replace my bottom bracket cartridge because it is knackered. After a bit of reading it seems that there may be many types of cartridge variations (axle lengths, threads, size of square ...
8
votes
2answers
422 views

What's the foot retention used by pro track cyclists?

I have recently started hitting my local velodrome in Herne Hill and it's great fun. I notice the majority of experienced riders use road pedals such as Look or SPD-SL. The rental bikes just have ...
5
votes
3answers
1k views

How can I increase the highest gear ratio?

I am looking for some higher cog front gears for an old bike I am considering. I've been away from it for some time and don't know the current number of cogs on the front ring, but I am looking to ...
-2
votes
2answers
503 views

Why does chain slip when I move my pedals?

Why does chain slip when I move my pedals? How do I fix it? Here is a clip: ...
1
vote
3answers
3k views

Why do my pedals move when I move my wheel? How do I fix it?

Why do my pedals move when I move my wheel? How do I fix it? Here is a clip: ...
1
vote
1answer
113 views

Looking for alternate pants with 'snaps' around calf and/or shin area

Right now I have a pair of the prana Zion Stretch pants with these little 'snaps' around the area described in title. This allows you to basically roll up your pant leg(s) (ideal for moving out of the ...
1
vote
1answer
291 views

How much “play” is normal in a Sturmey Archer 3 speed hub?

I inherited a bike with a Sturmey Archer 3 speed hub (Sturmey Archer AW, from 1984). I am very familiar with free-wheels and cassete hubs, but this is fairly new to me, although I did some research ...
3
votes
3answers
2k views

How to replace a Sturmey Archer's cable?

I would like to replace the cable of a Sturmey Archer hub, but can't find a way to disassemble the old cable without destroying it, and it puzzles me how to insert the new cable. To better explain, I ...
0
votes
1answer
330 views

7 speed front Derailleur on 9 speed crankset

I have 9 speed crankset (44-32-22 FC M542), and matching RapidFire 9x3 speed shifters (FL M590). Can I use 7 speed front derailleur FD M550 in that combination?
5
votes
3answers
519 views

What factors influence the maximum tire pressure other than the tire itself?

On the tires of a bike, there is a label which shows the maximum allowed pressure for it. However, I am wondering if there are any other factors that affect the maximum allowed pressure in a tire? ...
-1
votes
2answers
561 views

I want to buy a fixed gear bike. Which one should I buy? [closed]

This is my first time posting here. I'm 15 years old, I want to buy a fixed gear bike to get to school, job and metro. I live in Montreal,Canada if you wonder... A fixie would be perfect since ...
4
votes
1answer
444 views

Can i stop my frame scratching my seatpost?

I have an On-One Scandal aluminium frame, into which i have put a carbon seatpost. I have been adjusting it to find the right height, and i have noticed that it is getting seriously scratched - see a ...
1
vote
1answer
382 views

Can I replace a 1/2 inch bolt with a 14mm one to secure my axle?

My front wheel is secured with 14mm bolts, while my rear wheel uses 1/2 inch bolts. Turns out my multitool has only a 14mm wrench, so I can't change the rear tire with it. Rather than carrying ...
5
votes
4answers
1k views

What is the advantage of a reverse arch suspension fork?

There are a couple of suspension fork manufacturers that have adopted a fork design where the lowers have a reversed arch. I can't see that they claim any particular performance advantages for it, ...
2
votes
1answer
174 views

Little bit of water under plastic cover on my shimano shifters

I've had my bike for a month or so and just gave it a clean. There is now a little bit of water trapped under the shimano shifters clear plastic covers. Is this a problem? Will it disperse eventually? ...
1
vote
2answers
968 views

tyre size for a 28" bike, at the moment: 35C, is 32C too narrow?

since my tyres are a little old and won't make it much longer, I will buy new ones. At the moment I have Schwalbe Marathon 700-35C and I was thinking to replace them with a Continental Contact II 700 ...
2
votes
2answers
206 views

Bicycle production/sales figures?

Is there a way to find out how many of a particular bike model were produced and/or sold? For example, "how many Schwinn LeTour bikes were produced in 1979?" The Schwinn LeTour question is just an ...
-5
votes
1answer
156 views

Speed On a Road Bike [closed]

My old (But freakin' awesome) french road bike goes fast, considering that the only times im racing is pretty much against my friends who all have mountain bikes. Needless to say I always win. But I ...
2
votes
3answers
340 views

Is it OK to use coffee or other drinks to clean road rash?

This may seem like an odd question, but I was wondering if it's safe or a good idea to rinse road rash with iced coffee or other drinks? My usual strategy for road rash is to clean the fresh wound as ...
2
votes
2answers
240 views

Replaceable cartridges for rim brakes

I have a set of Shimano CX70 canti brakes the pads of which are replacable by changing the pad only (cartridges). I see in no document for any specification of a cartridge that fits. Are brake ...
0
votes
1answer
384 views

What are the shimano rear derailleur families?

What are the rear derailleur families, offered by Shimano? I need to replace a Shimano Acera derailleur and am trying to decide on a replacement part.
3
votes
6answers
746 views

Does exercising solely through cycling cause injuries?

I get most of my exercise through cycling. Does cycling without cross-training cause injuries? If so, are there specific injuries to which cyclists are susceptible (knee, hip, etc.), and is it ...
6
votes
6answers
5k views

Repurpose old android phone (without cell phone plan) as cycle computer with GPS tracking?

I upgraded my cell phone and now have a Droid X2 without cell service that I'm not using for anything. Can I utilize my old Droid X2 phone (or any android phone without a cell phone plan) as a basic ...
8
votes
4answers
1k views

Smartphone mounted on handlebar: Will vibrations during cycling damage it?

I would like to mount my smartphone on my bike's handlebar. However, I am worried about that the vibrations when cycling will damage my smartphone's internal electronics. I am using a trekking ...
5
votes
1answer
3k views

Complete beginner's question: inner tube too big?

My tire wall tells me that my tires are 26 x 1.95. I bought a 26 x 1.75-2.15 inner tube. When I change the inner tube, though, the tube is bigger than the wheel by two inches. How do I determine inner ...
1
vote
5answers
368 views

greasing closed bearings on the outside

Assume I have a couple of closed bearings on some pivots on my bicycle. These bearings: are fitted on a housing have an axle going through them are tightened by bolts which also have cups to ...
2
votes
3answers
167 views

Tubeless fatbike setup, does valve choice matter?

I've got a pugsly setup as tubeless, running endomorph tires, typically I run between 8 and 12 PSI in the tires depending on the conditions. Is there a significant difference between performance of ...
3
votes
2answers
405 views

How do I find the right derailleur (gear-mech)?

I have a 9 x 3 speed mountain-bike. The derailleur got broken (and was since lost), I'm trying to find a new one. What do I need to go by to ensure I get a good fit? The rear-casette (sprokets) range ...
6
votes
3answers
1k views

How can I determine whether rust has made my bike unsafe?

I ride a 1972 steel frame bike year round through Canadian winters. When I got the bike it was in good shape, but after putting a few thousand km worth of commuting on it, it has a lot of scratches ...
7
votes
3answers
308 views

wind noise obscuring traffic noise

My eyesight isn't so good so I'm more reliant on my ears to let me know that there's traffic close by. Normally I'm fine, but at higher speeds, the noise of wind blowing past my ears can obscure the ...
1
vote
2answers
161 views

Sun protective clothing interfering with bike mirror

I have had a "third eye" type bike mirror on my helmet for years. However, recently I have learned of some genetic predisposition to certain types of skin cancer which affect the skin on the ...
1
vote
2answers
162 views

Continental 4Seasons vs 4000S

I am currently riding Conti GP4000S tyres, in 700x23mm version, inflated at 115 psi. The grip is great, the (light)weight is amazing. I have punctured twice with them (in 1500 km) which is more that ...
6
votes
1answer
7k views

What does the label on a tire mean?

I went to a bike shop for new tires. I did not know which tires fit on my bike, so I just showed them my bike. When I took a look at the new tires, there was a label at the side, which says: ...
-1
votes
2answers
237 views

Looking for the right bike

I have been needing a new bike and I need some help with what kind of bike I should purchase. I plan on riding on mainly paved side walks but when traffic is bad I need it to endure riding over curbs ...
6
votes
2answers
1k views

How hard is a category 2 climb?

I am moving to Ojen Spain for work for 3 months and will be biking to marbella and back. I have put the ride into mapmyride.com and it says that the ride is a cat 2. Climb Start End Length ...
8
votes
2answers
254 views

Baby Transportation Safety Statistics

Is there a resource comparing different safety statistics for transporting babies on bicycles, specifically using different methods? I'd like to see some information about how safe it is to compare a ...
3
votes
1answer
728 views

Rear internal hub won't shift gears

I have a 1963 Sears cruiser, three speed, which I bought very recently. On my third ride, the middle speed stopped working, and went loose; there wasn't any "traction" when I pedaled. It happened as I ...
0
votes
2answers
305 views

I'm lost with all the names of bike parts flying around!

Ok so I've been riding bike since I was as young as I can remember. Now I'm 18 and I've been given a fixie. But I know nothing about bikes I've always just ridden them and brought them to a shop when ...
5
votes
4answers
341 views

Are there electronic/active theft deterrents for bicycles?

In addition to mechanical/passive deterrents (locks, chains, etc.), what electronic/active bicycle theft deterrents exist? * My dear bicycle was stolen two weeks ago and I then vowed to dedicate my ...
3
votes
3answers
295 views

Which is the most stringent bicycle helmet certification?

There are numerous safety standards for bicycle helmets available, but which certification is the most stringent one in terms of safety?
3
votes
1answer
3k views

Which pulley is which on my Shimano STX RC derailleur?

I disassembled my rear derailleur to clean it; when I removed the sprockets they basically looked the same; both jet black and caked with all sorts of black grease-like-stuff. I figured they were the ...
1
vote
3answers
1k views

Tires for 28' city bike (622x19C) to reduce rolling resistance?

I've got a simple city bike that needs some new tires. The bike has been fairly hard to ride lately, and I would like to speed it up a bit. The rims are 28' 622x19C, the current tires are 47mm or ...
1
vote
1answer
391 views

dishing on alfine hub

I am building a wheel with an Alfine 8 speed hub which has space for a disk brake. I am measuring the dishing by supporting the rim and measuring the distance from the table to the end of the through ...
3
votes
1answer
375 views

Is my disc brake caliper correctly mounted on the frame?

I have been in the process of upgrading my bike a bit. A friend of mine convinced me to upgrade my brakes from my stock Shimanos to some disc brakes. After having a look around and asking question, I ...
1
vote
7answers
357 views

GPS with maps for touring / using an iPhone

We are going to do a bike tour through France and Spain with a friend at the end of the summer. I was wondering what is the best option for a gps. Ideally we want something with the ability to display ...
4
votes
1answer
145 views

How Can I Prevent Slime Barrel Pumps from Clogging?

I work at a bike shop that Slimes tubes. We have both pre-filled Slime tubes as well as a keg of Slime that we use to fill tubes on customer request. Unfortunately the tube connected to the pump for ...
4
votes
3answers
3k views

Why isn't my suspension bouncy?

I recently bought a Carreras centos limited edition mountain bike. I want to find out how to make my suspension bouncier and I want to experience a MUCH more comfortable ride. I have tried fiddling ...
3
votes
2answers
875 views

What Shimano jockey wheels are compatible with my old Shimano 105 9-Speed Derailleur?

I'm in the process of getting my Cannondale CAAD serviced, which I reckon is from about 2006 (I got it second hand). I have had the rear cassette and chain replaced, like for like, but the bike shop ...
1
vote
1answer
129 views

Is there such a thing as a cyclist philosophy? [closed]

I've done a fair bit of cycle touring, I've been a regular mountain biker and now I cycle regularly in the city. I would definitely say that cycling shapes my life and the way I think. Is there such ...

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