3
votes
6answers
333 views

Feet on the middle of the pedals

I am 1,85m tall, have shoes sized 58-59 (European) and have classic non sloped frame with seat tube 55cm. Problem is that my feet land with their middle on the pedals, not with the front part where ...
5
votes
2answers
4k views

Upgrade Shimano from 9- to 10- speed

I'm thinking of upgrading the 9-speed Tiagra rear mech on one of my (road) bikes to something, still Shimano, but 10-speed. The obvious replacements I'll need are cassette, right-shifter and chain. ...
4
votes
2answers
653 views

Can I buy handlebar tape in bulk

I have a couple of commuter bikes with bullhorn handlebars. When I replace the tape on them, I always have heaps left over, since the bars are much shorter overall than standard drop bars. There's ...
6
votes
0answers
587 views

Trading out folding bike seat post

I currently have an older Dahon Mariner with a Telescope seat post. The third wheel that functions as the "third leg" (when the bike is folded) has broken off. To compensate, could I switch out the ...
2
votes
6answers
7k views

Ideal pants for bicycle commuting the rain

I commute about 10 miles a day in Portland, OR. Needless to say rain is a big part of many of my rides. My current rain pants leave me almost as sweaty as if I had just ridden without the rain gear. ...
2
votes
1answer
544 views

I want an cool urban/track bike with 3speeds. Could you recommend me one?

Good afternoon, I would like to buy a cool urban bike based on track design: sort like a tuned fuji feather and so forth. I would like it to be light and instead of a single speed, have 3 speeds. I ...
3
votes
7answers
10k views

Why do my tires keep losing air, even after having the tubes replaced?

I had a problem a few weeks ago where my tires were flat and needed air every time I took my bike out of the garage. I brought it to the local bike shop, and they replaced my tubes. This made a ...
2
votes
2answers
819 views

How to break reinforced Shimano pin?

Sorry if my technical English is a bit imprecise. I just put on new Shimano CN-HG53 chain. I joined the ends not with regular pin, but with provided reinforced one (like one of those below). The ...
1
vote
1answer
183 views

How can I use a small Shimano BB on any frame?

I have a Shimano BB-ES25 bottom bracket and 45T crankset that was removed from a Giant-CRX City with an eccentric hub (it had Shimano Alfine internal hub gears). They have literally never been used, ...
1
vote
1answer
341 views

Anyone make a 31 or 31.1 mm seatpost?

Some time ago, I bought a used Giant full suspension MTB. The guy cut the original seatpost too short for me, so I needed a new one. The post was some weird size, either 31 or 31.1 mm. Closest I ...
1
vote
2answers
178 views

Bike fitting in the UK

As an keen but casual touring cyclist I'm interested in getting a little more competitive and also keeping myself comfortable over longer distances. So I'm considering getting professionally fitted, ...
-1
votes
1answer
199 views

Time trial improvement from new bike

I can average 21.7mph for a 20 mile time trial (00:55:15), on my 2001 Rockhopper with 1.25" fatboy slicks, no lock out on shock. My bike weighs 25.25 lbs. I'm planning on buying a Cervelo 2012 r3, ...
4
votes
3answers
166 views

Were these bearings defective?

A couple of days ago my girlfriend's bicycle broke. The rear wheel was stuck. Tonight I had finally some spare time to have a look. The bearings had failed, so much so that the wheel must have spun ...
3
votes
4answers
792 views

Breaking spokes on adult tricycle

My mother is 60+ years old and 200+ lbs. She never learned to ride a bicycle, so she rides a Schwinn Town & Country adult tricycle. She loves it and rides it everyday, 2-5 miles everyday. The ...
1
vote
1answer
2k views

New wheel for 700x23c tire

I need a new wheel for my bike. I do not know how to tell what the rim size is. My tire size is 700x23c. It is my back wheel. I tried to have it trued which started breaking the rim. Rim finally broke ...
2
votes
2answers
882 views

Any wheel on any fork / frame?

I have been braking for a bit too long with worn off brake pads on not so new rims so I basically killed them. I currently have the stock wheels of an FX Trek 7.2 bike. I will most probably change ...
2
votes
3answers
152 views

“wound” on the tire side

The other day I was stopped at a traffic light when I felt my bike moving slowly forward. Did not pay really attention, thought there was a slight slope, so hit the brake and voila. But it did not ...
1
vote
1answer
169 views

How bad is this damaged lug

I have noticed a little crack in one of the lugs of my gazelle steel frame. I hav not ridden it since, because I am worried it will break. Here are some pictures. The lug in question is the one ...
1
vote
1answer
347 views

What is the folded size of ORI AR18 or ORI CR87?

I'm assuming ORI AR18 and ORI CR87 use the same frame design and size. I couldn't find any specs on these bikes about its folded dimension. ...
2
votes
1answer
584 views

How do I re-attach a crank that has fallen off?

I have already read My crank fell off, how do I re-attach it?, but it did not answer my question. I was biking up a hill in first gear, and I felt my left crank was a bit loose. Never having had ...
1
vote
3answers
296 views

What is the diameter of the seat post on Citizen folding bikes?

I have searched and cannot find the diameter of the seat post. I would like to get their Miami or Gotham model, but I know I'll need a seat extension as a 6'2" rider. Dahon and others make longer ...
0
votes
1answer
499 views

Shimano Chainring Set

I have a Shimano Altus 8-speed on my hybrid/commuter bike. I have to put in a new cassette and a new chain as well and looking at the teeth of the largest chainring cog in the front, it looks like the ...
1
vote
1answer
341 views

What is the size when folded of the ORI M9 or Mezzo D9?

ORI M9 and Mezzo D9 seem to have the same frame design. Does anyone know the dimension of these bikes when folded?
0
votes
1answer
74 views

Can i use a thinner standard mtb chain (SRAM 971) or does the chain need to be specific (SRAM PC-1) for coaster brake single speed

Time for a replacement chain, and i have a sram 971 sitting around, don't want to spend the money on a new chain, if i can get away with using a mountain bike chain. Hopefully it won't pop off with ...
2
votes
2answers
3k views

How accurate are indoor trainer power meters?

I recently got a Tacx Flow trainer, this being the first time using a power meter. For about 10 years, however, I have been doing monthly "uphill time trials," whereby I put the time into that formula ...
2
votes
2answers
448 views

What is causing noise/vibration high power input on right hand (drive side) crank?

I am getting a repetitive grinding sound/slight vibration while fully mashing on my Kona-humu single speed. Description of Problem This grinding is more similar to what you would hear from an ...
1
vote
3answers
150 views

Effective use of heart rate monitor

I have a Garmin Edge 500 with hear rate monitor, which I use while riding. Now I have all this hear rate data which I don't know how to apply. Can anyone point out how I should use this data for ...
4
votes
1answer
136 views

Canadian Winter Cycling Apparel

I'm planning in braving the harsh Canadian winter for my daily work commutes via bike. I currently have this nylon jacket, I was wondering if this would be adequate protection? Possibly with an ...
6
votes
4answers
586 views

Comparing gear ratios on different bike types

How can I compare gear ratios on different wheel sizes? How can I compare gear ratios on MTB with tracking bikes with bigger wheels? How can I compare gear ratios with gear hubs?
1
vote
1answer
671 views

Is the Power Pilot the only speedometer / computer that will work on a LeMond Revolution Trainer?

After just purchasing a Lemond Revolution trainer, I noticed and realized as soon as I set it up that I would be loosing my rear wheel and its spoke attached speedometer magnet. Are there any ...
2
votes
4answers
1k views

What can I do to keep my knees warm?

It's getting chilly out there and my knees are starting to hurt from my short commute. I tried layered trousers (thick jeans + windstopper on top), but to no avail - my knees still get cold, while my ...
2
votes
2answers
2k views

Am I better off buying a new bike, or upgrading my old bike?

Half a year ago I started to use again my old Schwinn Woodlands MTB for commuting. I didn't want to spend a fortune on a new bike, I wasn't certain that I would like to bike commute daily. Bike has ...
3
votes
2answers
585 views

Why are hand-built wheels considered to be better than machine-built wheels?

Why are hand-built wheels considered to be better than machine-built wheels? I would think that a machine-built wheel would be better and cheaper, since machines generally do a more precise job than ...
1
vote
2answers
549 views

Crank is slipping freely occassionally when pedaling; occasional “clonk” sound

Crank is slipping freely occassionally when pedaling; occasional "clonk" sound-not sure where sound is coming from-crank is tight, no movement or looseness
1
vote
4answers
356 views

I know there are better rain-forecast sources than “hourly forecast” websites. What's the best such source? [closed]

I sometimes wonder about two things: Will it rain in my city? If so, when? Please teach me the best way to find answers. Note: Please don't point me to the local weather services' "hourly ...
4
votes
1answer
888 views

Clipless Pedal - Flat Attachment

I have some clipless pedals I salvaged (part of a crankset) and installed on my bike. It's the winter right now and I don't really want to be clipped in. I don't want to replace the pedals either - ...
0
votes
2answers
665 views

Where can I go to change the vertical drop out for a horizontal drop out?

I have an aluminum road bike frame that I want to use to build a fixed gear. My problem with this frame is that it has vertical drop out and no derailleur hanger. Fr
4
votes
2answers
1k views

What options do I have to charge my GPS and Phone using a dynamo hub?

I'm planning to purchase a supernova infinity-8 dynamo hub and wanted to use this during daylight hours to charge my Phone and GPS during bike tours. What products are available that will work with ...
2
votes
4answers
4k 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 ...
1
vote
1answer
313 views

New touring bike components

I'm buying a new touring bike. I need an opinion on some of the parts. Crankset: Shimano XT FC-M770 Cassette: Shimano XT CS-M770 Rear Derailleur: Shimano XT M772 SGS Front Derailleur: Shimano XT ...
3
votes
2answers
124 views

Are derailluers always or usually compatible with any cassettes?

Is it OK to choose a derailleur without taking into consideration the cassette that will be used with it and vice-versa?
1
vote
3answers
235 views

Are shifters compatible with different derailleurs?

Can I simply choose one shifter without taking into consideration the derailleur that will be used with it and vice-versa?
2
votes
2answers
93 views

Is it difficult to do a post-break-in wheel tune-up?

I've heard that when you get new wheels you should put a couple hundred miles on them to let everything get set in and get an initial stretch, then do a tune up. Can I just go by feel and tighten the ...
6
votes
2answers
434 views

Is a headlight required to emit light to the sides?

The California Vehicle Code says: (d) A bicycle operated during darkness upon a highway, a sidewalk where bicycle operation is not prohibited by the local jurisdiction, or a bikeway, as ...
4
votes
3answers
1k views

Why are BMX saddles so low?

I've seen a lot of teenagers riding BMX bikes recently. It seems that most if not all of the guys I've seen riding their BMX bikes around the streets, car parks, local parks, etc have a frame that's ...
6
votes
2answers
386 views

What to do after an accident with a child?

I was biking home last night and had a minor bike accident with a child of around 12 or 13. It was around 6pm on a mixed use pedestrian+bike path and completely dark, with little lighting on the path. ...
1
vote
3answers
835 views

Spray new bike with teflon to repel dirt and moisture?

I'm getting a new road bike. Would a light spritz of teflon spray help in repelling dirt and moisture? I wouldn't coat it completely, just focus on those dirt collecting areas, the undersides of the ...
7
votes
1answer
240 views

Do I need to get a replacement bike for this broken chainring?

I wanted a cheap commuter bike, and just received this bike from Amazon. I have little knowledge about bikes, but looks like the middle chain-ring is broken to me. Is this indeed broken, or is it ...
12
votes
12answers
2k views

Winter commuting - how to keep warm?

I am interested in what the best ways are to keep your face and feet warm. I saw some shoe covers on amazon, but they all seem to require you to be riding clipless which I do not. I think if I used a ...
2
votes
1answer
371 views

What hub to purchase for a GT aggressor?

I have a GT Aggressor 1.0 Specs here: http://www.gtbicycles.com/2013/bikes/mountain/trail/aggressor-1-0 Recently on a long ride, the crank started to roll freely after a long downhill. i.e. when ...

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