Questions tagged [road]

Roads - defined linear sections of adjacent land designated for travel.

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84
votes
9answers
12k views

How to pass a bicycle while driving a car

I understand this is more of a driving question, but I'm curious to know the answer from the bicycling community and perhaps gain insight into how to act both as a bicyclist and driver. The other day ...
24
votes
9answers
9k views

At what point does a road become too busy/fast to ride on safely?

Upfront, I'm willing to admit that I have some nervousness when it comes to commuting by bike that I need to get over. However, I want to know if all of that nervousness is unfounded, or if some of it ...
22
votes
9answers
5k views

Is it worth buying a lighter bike? If so what kind?

I've started cycling recently and am clocking decent mileage now. The only problem is, the bike is very old and weighs just shy of 20 kg. It's a heavy one! It also has Kenda Kinetics tyres, I think ...
18
votes
8answers
7k views

Is cycling on this 35mph road too dangerous?

I'm thinking of bike commuting to work and there is a stretch of road with no sidewalk and 35mph speed limit. Is this too dangerous for biking? I'm not in the best shape so I can't go very fast. ...
15
votes
8answers
7k views

Can I avoid falling in the rain on a corner?

I was riding in the rain a few months ago and fell turning a 90° corner. Here are the details: Riding on a road bike with new 25mm smooth tires inflated to 100 psi (Cannondale Synapse with ...
12
votes
2answers
3k views

How much energy is lost with a gravel tire compared with a road tire?

I understand that around 20% of the energy while cycling is lost by the deformation of the wheels. I also understand that in smooth and dry roads people use plain tires (no tread pattern) as these ...
9
votes
6answers
3k views

Tour de Trump/Tour DuPont routes?

The Tour de Trump (later Tour DuPont) was run from 1989 to 1996 on the East Coast. Information regarding the details of these events seems to be sparse, especially the earlier editions. Does anyone ...
9
votes
1answer
433 views

Why would a salty damp road be slipperier than the same road just damp?

I came off this morning* on a road I ride every day, in all weather conditions. Last night was frosty so the road was salted/gritted, but there was no visible frost nearby, it had warmed up from the ...
8
votes
3answers
1k views

Convert single speed, steel framed, vintage track bike to geared

Is there any way to convert a steel framed single speed vintage track bike to a geared bike? I have a track bike with only the rails for the wheel but I've moved out of the city and there are more ...
8
votes
1answer
214 views

Any reason for non-continuous mountain road barrier?

I have been cycling recently in Polish mountains and when riding through one of less occupied mountain roads, I have found many places where road barrier (that is suppose to secure bikers and car ...
7
votes
2answers
1k views

UK - What constitutes dangerous driving?

So today a big tour bus pulled into the bus lane in front of me. In the process of doing so, they came pretty close, within an arm span. Then, further down the road the traffic slowed them down and I ...
7
votes
2answers
1k views

Rear derailleur cage bigger than cassette necessity

I use a Shimano Ultegra 6600 rear derailleur with short cage in a 11/28 cassette. The derailleur is at the end of its useful life and would like to exchange for a cheaper one, since I intend to ...
7
votes
5answers
5k views

Windshield on a bike

I'm doing a bunch of work on my bike today, and had an idea. My biggest speed killer especially downhill is air resistance. I have a mountain bike but I only ride on the road. I've been looking at my ...
7
votes
1answer
964 views

Brake levers for riding in upright position

I'm trying to find out the correct name for the brake levers that are on a bike so that you can ride in a nearly upright position? I had an old Schwinn 10 speed that not only had the regular brake ...
7
votes
1answer
2k views

Is it worth upgrading to 28mm tyres from 25 for a 250 mile ride?

Next month I'm embarking on a 250 mile ride over one day - I've done plenty of training and I'm ready. Currently my bike has 25mm tyres and some of the 100 - 175mile training rides I've done have ...
7
votes
4answers
230 views

Prescription glasses getting dusty and greasy

I cycle to work each day, about 2.5 miles in each direction through a moderate sized town on paved roads (I don't use any dusty trails or go offroad etc). The climate is somewhat dry and arid with ...
6
votes
4answers
734 views

Should I replace the tyre or can I keep going?

I just noticed a small tear in my Continental GP 4000s. It does not bulge out from the side. The tyre have been on for some years now but dont have more than 1000km on them. I am worried though if I ...
6
votes
1answer
11k views

Can I replace 700×23C tire with 700×28? [duplicate]

I have Trek 1.1 with currently 700*23C tyres. I need to replace them but the one available in market are 700*28 Can I use this size as replacement? If yes, what'll be advantage and disadvantages?
6
votes
4answers
8k views

How to install flat mount road disc brake calipers on IS mount bike?

I have custom MTB frame and I bought a pair of Shimano Hydraulic road shifters. They have on Shimano BR-RS505 Road Hydraulic Brake Calipers Flat Mount when instead my frame takes standard IS 51 mount (...
6
votes
3answers
21k views

Is there any problem with running tubeless on non-tubeless rims?

I have Fulcrum 5 DB wheels, which are not tubeless ready. My previous wheelset were tubeless compatible and I've been impressed with running tubeless. So my question is: Assuming I can mount my ...
6
votes
1answer
1k views

XC helmet for road biking, or road helmet for XC?

I'm not a very serious biker in either category, I need a new helmet and I'm thinking that I would rather spend $200 on one awesome helmet rather than $100 on two just-good helmets. I understand ...
6
votes
5answers
7k views

Pavement riding in Scotland

I've just moved to Edinburgh, and I understand that the land reform act 2003 lets me cycle on most land, excluding certain places like some highways or ministry of defense land. Does this mean I'm ...
5
votes
4answers
374 views

I am a big guy who wants to buy a race bike

I am new to this site and I would really appreciate any thought on this. I am 32 years old male. I used to be in good shape most of my life. my weight fluctuated between 180 to 220 lbs. three years ...
5
votes
2answers
311 views

Planning to purchase a road bike

I am 57 years old, 182 cm and weigh 105 kg. I have been cycling for the past 5 years, mostly with a city bike, Trek 7.5 FX. After a trial of a long distance lasting a week with that bike, I realized ...
4
votes
5answers
149 views

Finding the right size bicycle

I am 4'10" and about 300lbs. I would love to start bicycling around the countryside for pleasure and low level exercise. But my tummy gets in the way and it hurts to bend my knees at the top of the ...
4
votes
3answers
2k views

Maxing out on gears [duplicate]

I have an older specialized bike from 2001 that I ride and race on with a gearing of Shimano 53/39 and 9-speed cassette 12/26. On my regular weekly rides I end up maxing out on my gears and can't get ...
4
votes
3answers
407 views

What previous Shimano road shifters are 10sp and exit cables under bar tape?

I'm swapping out some parts on an old road bike I have to build it up as a winter/less cared about run around. Looking for what I can on auction sites etc., but the model numbers elude me. I have a ...
4
votes
1answer
458 views

How can I learn to sprint and ride out of the saddle?

I'm pretty new to road cycling, I've been road cycling since June 2017, because it's winter in Canada I recently got a indoor trainer and zwift. On a recent zwift session, I tried sprinting out of the ...
4
votes
1answer
602 views

Why don't women have Cat. 5?

For road racing in the US, USA Cycling has women divided into four categories (4,3,2,1) and men divided into five categories (5,4,3,2,1). The procedures for category upgrades for 4-3, 3-2 and 2-1 are ...
4
votes
4answers
569 views

Maximum Descending Speed

This is a hypothetical question but I'm curious. Assuming an endless, freshly paved road with no turns, what would be my maximum speed? EDIT My question is too general so to help I'm adding some ...
4
votes
1answer
322 views

Mountain bike, one road bike tire. Front or back?

I have a road bike tire and was going to put it on my mountain bike since I use it to commute to work. Should I replace the front or back tire? Which will give me the better performance?
4
votes
2answers
935 views

Can you run 52/39 chain rings with an 11/32 cassette?

Seems most bikes either come with 50/36 rings and an 11/32 or 52/39 rings with an 11/28 cassette. I live in hilly terrain and do need lower gears but often feel spun out with my 50/36 by 11/32, could ...
4
votes
2answers
351 views

Ultegra R8020 STI shifter sticking

I have an Ultegra R8020 lever and I recently did a cable change. Everything worked fine for a few moments then on the first ride the left shifter wouldn't click up into the big ring. After a few ...
4
votes
1answer
108 views

First time to install Clincher Tire to Rim

I am a beginner here. I am installing for the first time my own tire and want to make sure I have a basic issue down. I have a new set of Fulcrum carbon clincher wheels. Basic question here....I do ...
4
votes
1answer
176 views

Is it OK to use pedestrian phase of pedestrian crossing to join/leave the carriageway? (UK)

If the start of my journey is on a busy road, and there is a pedestrian crossing nearby, I often take advantage of the pedestrian phase of the crossing by mounting the bike, joining the carriageway ...
3
votes
3answers
1k views

Crack on bike wheel rim

I hit the edge of a cone yesterday when biking and had a pretty hard fall. Was looking at my bike to see what damage it took. Saw this crack on the rim, is this something really serious that I should ...
3
votes
5answers
231 views

How is infrastructure for bicyclists designed, and how does it evolve?

Question: How is infrastructure for bicyclists designed, and how does it evolve? Related questions to prompt more detailed answers: When is the right time to build bicycle roads? How is the budget ...
3
votes
3answers
653 views

Popping/flexing, but *not* when pedaling hard

My road bike is making very noisy popping/flexing sounds when pedaling. There are multiple sounds in a semi-regular pattern with each pedal stroke, and I can feel extra movement through the pedals as ...
3
votes
2answers
152 views

Is my cassette made of steel?

I want to know when to change my chain: I purchased the following item: It has two sides: 0,75 % --> for aluminium Cassette 1 % --> for steel cassette (according to https://de.wikipedia.org/...
3
votes
2answers
1k views

Compatibility with 105 shifters

Can I use Deore RD-T610-SGS derailleur on my road bike with 105 shifters, it seems like cable pull isn't right. Shifters are on 2007 Specialized Roubaix compact.
3
votes
3answers
4k views

Switching from hybrid to road bicycle

For nearly 3 years now, I have been using a 21-inch hybrid bicycle (Fuji Absolute 1.9D). My use of the bike is primarily for aerobic exercise. I ride about 20 kilometres in the morning for about an ...
3
votes
3answers
109 views

What road bike size to get?

I am very new to road bikes and have decided to buy one. The problem is both shops I have gone to said I should get a 54cm frame, even though I'm only 5'5. This seems to go against a lot of online ...
3
votes
1answer
264 views

Can I shrink my steel rear dropouts to fit a smaller hub?

I am rebuilding a 1971 Raleigh International road frame into a single speed bike for college. I bought a set of track wheels with rear hub spacing 110mm. The rear dropout on the Raleigh is 120mm. Will ...
3
votes
1answer
61 views

Tool for Cannonade Carbon Si Crankset

Used a 3/8" hex key to remove the crank but the outer bolt needs to be tightened separately. Perhaps it's possible to tighten it with the crank off or do I need a special pin type tool. Its a ~2008 ...
3
votes
2answers
3k views

Shimano 105 + Shimano Tiagra?

I am looking to buy a new high end performance road bike soon along with a power meter. I'm looking at possibly a Shimano 105 or Tiagra groupset. However, stages doesn't make a power meter for Tiagra ...
3
votes
1answer
1k views

How to bleed rear SRAM Force 1 brake

I'm having a hard time bleeding the rear brake of my Specialized Diverge. Following closely the instructions provided by SRAM (and other sources like GCN and other people from YouTube) only works for ...
3
votes
1answer
302 views

SPD SL Cleat Cover, are they supposed to be attached all the time or removed on rides?

I've always assumed you put them once and forget it, and still clip in with them, but then I read somewhere that Speedplay covers needs to be re-attached when you're walking. Is Shimano the same? If ...
2
votes
2answers
3k views

Is the cable pull of Shimano GRX FD-RX400 same as the one of 10- or 11-speed road groups?

What is the required cable pull for FD-RX400? AFAIK Shimano road 11-speed front deraileurs require the same (larger) cable pull, while 10- and fewer-speed FDs expect lower one (with exception of ...
2
votes
2answers
2k views

How fast can you go over speed breakers?

so I've only recently started biking. I have a hybrid, Montra Trance Pro. So I went pretty fast over a few speed breakers, and that made me wonder, exactly how fast can I go over a bump? The rear ...
2
votes
3answers
466 views

Using 16 hole front rim to build a rear wheel

I have the opportunity to buy 2 front Shimano Dura Ace C40 latest generation wheels at a very cheap price. The hole count for the wheelset is 16/21. Could I build / have built a rear wheel from one of ...