3
votes
3answers
2k views

Sizing guide for road bikes vs mountain bikes

i usually take a 21 inch size in mountain bike, but I want to buy a road bike. I'm 6'2'' and have a 34 inch inner leg. How do the sizes translate from mountain bike to road bike? Thanks
12
votes
2answers
233 views

What are the bumpy parts around the spindle of some pedals?

Does anybody know what the bumpy part near the threads of this pedal are for? They look like they might fit a special wrench, but I can't find any that would fit. I feel like I must be missing ...
1
vote
1answer
492 views

Straight or Drop handlebars?

Can someone explain to me the pros/cons of drop or straight? I've never used drops before and have never owned a good road bike (just cheap mountain bikes) - I am buying a decent single speed soon and ...
1
vote
1answer
1k views

Rear tire has started rubbing frame at one spot

Riding my bike within my suburban residential neighborhood, I felt a shock, like a snap although I don't think anything snapped, followed by a rubbing noise every few seconds. Pedaling and the brakes ...
1
vote
1answer
369 views

Why are 3 inches mountain bike handlebar hard to find? [closed]

I'm looking for a new handlebar, ideally 3 inches. But looking in some of the online shops it seems quite hard to get 31.8mm bar clamp diameter handlebar with 3" rise. Do you know if there is any ...
7
votes
5answers
266 views

I live in a place where it frequently floods. How can I keep my chain from rusting?

My poor bike's chain lasted all of three months before it gave in to the winter floods where I live. Storing it indoors is not an option, and despite my maintenance efforts, the knee-deep floods that ...
8
votes
3answers
605 views

What is the purpose of the rubber stripe between the wheel and the air chamber?

I had a flat tire and replaced the air chamber. While doing that the rubber stripe that stands between the wheel and the air chamber ripped and it's no longer a ring. It´s hard to put it correctly and ...
3
votes
1answer
119 views

Electronic bicycling ranking for the office cyclists?

in the office many of us cycle to work. We though it would be cool to have ranking of cyclists with different sorting (distance, avg. speed and such). We can track our trips with Android or iPhone ...
4
votes
2answers
376 views

What alters the efficiency of (cantilever) brakes?

I have installed on my bike brand new cantilever brakes (Shimano CX-70). On the rear, the braking is justas efficient as I would have expected it to be. But on the front, it feels quite weak. Front ...
4
votes
2answers
367 views

Waterproof spray or waterproof pannier cover?

Does anyone have experience with either waterproofing panniers with a waterproof spray or using waterproof covers for panniers? Which one was best? I don't want to invest in waterproof panniers as I ...
36
votes
14answers
2k views

Ride with someone who is less trained

Barbie and Ken both love to ride the bike. Ken is a strong guy who likes to ride 60km as fast as possible, enjoys of getting to the edge of his strength. Barbie is more relaxed, likes to enjoy the ...
1
vote
1answer
104 views

Question about chain re-attaching

I have a question about chain "closing" (not sure of the english word, but you get it, right?). I know how to open a chain with a chain tool, and I know I must not "go too far" as to remove the rivet ...
1
vote
1answer
577 views

Is a bike faster than a car for the first ten metres? [closed]

The city I live in has just installed cycle boxes in front of traffic at light controlled intersections. This has spark a lot of debate online. My experience is that I will generally, through timing ...
2
votes
1answer
89 views

Could paint build up on a bottom bracket be considered a warranty issue?

On Saturday I received the new frame for a steel xc bike I'm building up. I went to start on the weekend but noticed a large paint build up on the bottom bracket. The build up is about 15x3mm (don't ...
2
votes
2answers
121 views

Jammed rear brakes

My rear brake is jamming to the point that only half seems to be moving. With worn blocks I got away with it, but now I have changed the pads I finally need to sort the problem. Could the brakes be ...
7
votes
2answers
436 views

I'm a CAT 4 racer, will I be suspended from racing by UCI / USAC if I participate in non-sanctioned races?

I'm not a pro, just a CAT 4 racer with a USA Cycling License. Can I be suspended and fined by UCI / USAC if I participate in non-sanctioned races? I've heard they are cracking down on licensed pros ...
8
votes
5answers
4k views

Are aerodynamic rims worth additional weight?

I was under the impression that reducing the weight of your wheels is important. However, I'm noticing that many of the extremely high-end aerodynamic rims are actually heavier than cheaper rims by ...
2
votes
2answers
260 views

Fixing Carbon Fiber

I have a Cervélo S2 and absolutely love my bike. It has been rock solid. Unfortunately, I had a bad case of chain suck when my chain fell off my chain ring right when I was grinding up a hill. The ...
3
votes
1answer
169 views

Overhauled hubs: still some noise

I've just, for the first time, finished servicing the hubs on my bicycle. They are of the cup & cone type (Shimano). The cones of the front hub where pitted so I got them replaced, along with the ...
1
vote
5answers
9k views

Is there any kind of adapter to mount v-brakes or cantilevers to a frame that's not designed to accommodate them?

I have an aluminum single-speed frame that was marketed as a fixie. I'm wanting to convert it to a single-speed commuter. (I'm getting older and the fixie doesn't agree with my knees anymore.) It has ...
1
vote
4answers
715 views

Painful Feet: Might be related to pedal-foot positioning

Sometimes when I set out on a ride I will get the absolute worst foot pain. It is like a cramp in my arches on both feet. I am wondering where exactly the center of the pedal should fall in relation ...
4
votes
4answers
665 views

Packaging a bike for flying with a bike bag

I am doing a cycle tour of Japan starting from Fukuoka and ending in Tokyo. I will be flying with the bike and as my start and end points differ I will not have the opportunity to use a box (unless ...
1
vote
4answers
166 views

Minor hamstring pull, can I keep going at easy pace?

I'm 53 and for the past year have been pushing it slightly. Have always been careful to not push it too hard, but yesterday I got a mild pull in my right hamstring. Just a slight soreness right ...
4
votes
4answers
791 views

What's the correct position to assemble eliptic (Biopace, Rotor, etc) chainrings?

If you take a regular, "classic" road chainring (130bcd, five arms), you have five possible positions to assemple it in the crank arm. This can even be used to "rotate" between different positions ...
1
vote
4answers
216 views

How to keep my manbag in place

If I'm going out in the evening and don't want to carry a big pannier bag or rucksack, I keep my lights and whatever else in a small 'man-bag'. It's like a smaller version of a messenger bag: about 20 ...
4
votes
3answers
1k views

How to: Sram 2x10 to 1x10

I'm thinking on converting my Sram transmission 2x10 to 1x10, this is with a single chain ring. My biggest doubt is how to prevent cross chaining, do I need to get a special chain or how do I prevent ...
0
votes
1answer
318 views

Shimano Ultegra chaninrings on Truvativ Elita Tandem crank

I'm attempting to replace the chainrings on my Cannondale Road tandem. The crankset is a Truvativ Elita Tandem (52-39 10 speed big/middle ring). The new rings are Shimano 6603 52-39 rings. I swapped ...
1
vote
3answers
653 views

How to lubricate noisy joint on Dahon foldable bike?

My Dahon foldable bike makes a huge noise whenever I fold the frame and unfold it. I tried spraying a lubricant into the joint. I do not know if the problem is continuing because the lubricant went ...
2
votes
2answers
169 views

Is it ok to use fixed gear threads for a freewheel?

I have a fixed/fixed flip-flop hub and the lockring threads are stripped out on one side. Would I be ok to just thread a single-speed freewheel on that side and use it as a fixed/free hub?
1
vote
1answer
231 views

Derailleur Hanger replacement for GTS R5 road bike frame

I'm looking for an online site where I can buy a derailleur hanger replacement for my GTS R5 road frame. The frame is the one in the picture ...
13
votes
2answers
5k views

What are my options for cycling mirrors?

What options are available in terms of types of cycling mirrors? Where all can I mount them and what are the advantages and disadvantages to each?
0
votes
2answers
409 views

Early Klein Mountain Bike - need suggested component rebuild ideas

This classic ride, (a hand-me-down, no less,) has served me well for more than a few years. The componentry is showing its age and the drivetrain really needs to be replaced, but I can find no specs ...
0
votes
2answers
203 views

What is the correct language for talking about cyclocross?

Just a small one that has me stumped. In a newspaper article where I live in New Zealand there is a picture of guy riding a cyclocross bike with a caption saying that he is mountain biking. I realised ...
4
votes
1answer
4k views

Upgrade Shimano Sora shifters to 105

I want to upgrade my 3x9 Sora shifters to 3x10 105s. However, looking at the Shimano Compatibility Chart, it appears to indicate that I'll have to replace my front and rear derailleurs in addition to ...
1
vote
1answer
2k views

How to setup triple front derailleur with a double crankset

I want to use my front derailleur which is a tiagra on a 3x10 speed setup with a compact double crankset making it a 2x10 setup. What is the proper procedure for setting up the triple chainring ...
4
votes
3answers
6k views

Can I replace chainrings without replacing the rest of the drive train?

I now ride a 60cm SurlyLHT with chain rings at 26/36/48t. Can I replace with a smaller set at 22/32/46t (or similar combination) without having to replace the entire drive train - cassette, rear ...
0
votes
2answers
170 views

Conversion question

Can anyone help find some literature or some pictures of a 2 speed conversion which has worked? I ride a huge gear, but plan to bike cross country, and I want to put my smaller chain ring back on my ...
4
votes
6answers
870 views

How safe are helmet- or glasses-mounted mirrors?

I am wanting to get a mirror for my bicycle, but the obvious mount points are already occupied (bar-end shifters, aero brake levers). There is some appeal to the Take A Look or a helmet-mounted ...
8
votes
5answers
2k views

Recovering confidence after a fall

One month has passed since I fell on a mountain bike trip. The accident wasn't critical, it just left a huge scratch. The accident happened during a fast descent when my front tire hit a little crack. ...
3
votes
4answers
605 views

Shifters compatible with: SG-3D55 (Shimano Nexus 3 speed - disk brake - internal gear hub)

I am planning to buy the SG-3D55 internal gear hub. According to this forum post, the SL-3S35 is compatible. But what about the other 3 speed nexus shifters? I am finding it hard to find any ...
1
vote
3answers
604 views

Protecting beater bicycle from scratches and rust

I have a beater commuter steel bicycle that is subject to all kinds of weather, abuse and a lots of scratches. Several hot-spots on the frame have appeared over the time where most of the damages and ...
2
votes
3answers
372 views

What is the correct way to put a helmet on?

I hear often claims similar to "many cyclists wear their helmets the wrong way" and "wearing a helmet incorrectly significantly reduces it's protective ability". My helmet is similar to the following ...
8
votes
2answers
185 views

What natural features and governmental conditions contribute to a bicycle friendly town/city?

I enjoy bicycling the most in cities that provide separate lanes for bicyclists - Portland and Boulder come to mind. In addition to bicycle lanes, what other governmental/civic actions ensure a safe ...
2
votes
2answers
544 views

Folding Bike Seat Post Replacement

I have a folding bike (basically this Origin8 model) and the seat/seat post got stolen. I haven't replaced a seat post before, but this is the only replacement post I could find, and I'm not sure ...
0
votes
5answers
871 views

How can I repair a swollen tire allowing visibility on the inner tube (picture provided)?

I have a new problem on my bike which occured after patching my inner tube. Since I put the patch on, my tire is pushed out away from the rim near the intake valve (not near the patch). In the picture ...
3
votes
2answers
460 views

lacing Alfine wheel, trailing spokes inside or outside hub flange

I am about to lace an Alvine hub wheel. Reading Sheldon Browns article there is a suggestion that the trailing, and so key, spokes might be better laced the opposite of what would be done for a ...
10
votes
1answer
572 views

Does helmet padding contribute to the safety of a helmet?

Does the padding inside of a bicycle helmet contribute to the overall security of the helmet? I.e. do they cushion a crash in some way, or are they just there for comfort?
2
votes
2answers
238 views

Hydraulic brakes with time trial levers?

I've read that only mechanical brakes work with road bike levers (I'm assuming that means the type that goes on the front of drop bars). Is this restriction the case with time trial brake levers that ...
1
vote
1answer
261 views

What's the correct term for a 700x23c disc wheel?

I'm looking to convert my fixie to a front wheel disc brake set up. I've narrowed down a fork that looks promising, and I'm on to the wheel. I've got 700x23c tires I want to keep, so I want the wheel ...
2
votes
1answer
966 views

Sigma bc 1609 kmh flashing but not counting

I've just presented a new Sigma BC 1609 (wireless), assembled, put the sensor on the fork and a magnet on a spike, set the wheel size, looks fine. But the speedometer does not work - it is just ...

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