Questions tagged [road-bike]

Bikes designed for road use only. Could be any road-only bike, but typically means bikes optimized for speed / racing / club rides with drop handlebars, narrow tires and a crouched-forward rider position.

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92
votes
15answers
24k views

Why are disc brakes rare on road bikes?

Window shopping for road bikes, I can't see many that have disc brakes. What are the reasons for this?
65
votes
19answers
61k views

Do skilled cyclists really “use the front brake alone probably 95% of the time”?

Sheldon Brown's Braking and Turning Your Bicycle page states that: Skilled cyclists use the front brake alone probably 95% of the time and "Generally I advise against using both brakes at the ...
55
votes
6answers
7k views

How to prevent drafting?

I am engaging in a friendly race with a co-worker. He has told me he plans on drafting behind me most of the race to save energy. I want to make it hard for him(without doing anything mean ...
52
votes
9answers
5k views

Protocol for downhill cyclist overtaking a car?

Last weekend, I was driving (yes in a car, something I rarely do) down a fairly steep and very curvy mountain road (thus with very poor sight lines/visibility ahead) when I noticed a cyclist in my ...
47
votes
8answers
37k views

How long should a road tyre hold its pressure?

How long should a road tyre be able to maintain a pressure of around 100psi, and what factors are likely to reduce this time? Background: My tyre pressures are consistently dropping to around 60psi ...
42
votes
5answers
53k views

How do I know when to replace my tires?

The treads on my road bike's 28C tires are almost completely gone—they only persist along the shoulders of the tire. Do the treads matter? What is a good indicator of when the tire as a whole needs ...
41
votes
9answers
136k views

How do on-road mountain bike speeds translate to road bike speeds?

When cycling on roads on my mountain bike, I generally get around 10-12 miles per hour on a flat surface. What sort of speeds can I expect to get on a road bike?
37
votes
13answers
169k views

What pressure should I run my Road Bike tyres at?

There's a question for mountain bike tyres but I can't seem to find anything on here for road bikes. At the moment I'm running at around 90psi. Is that too much? too little? Also, am I more likely to ...
37
votes
10answers
74k views

How often should I lube my chain?

I ride less than 200 miles a week, and I'm at about the 200 mile mark on my new road bike. Most of my riding is done on the road in an urban city, so there is a lot of odd, unnatural debris. My LBS ...
36
votes
11answers
113k views

How often should I change road bike tyres?

My road bike has now done 500 miles, but unlike cars, I've no idea how often the tyres should be changed. It's used on normal road conditions. The brow of the tyre is now smooth. How do I know if my ...
34
votes
13answers
38k views

Is it safe to ride a racing road bike in very wet weather?

I'm used to riding on a MTB, but since I've got a new road bike, I'm quite paranoid about the slick tyres. How good are they in wet weather? I'm scared of braking too hard, or even just turning!!
33
votes
5answers
35k views

Does the chain direction make a difference?

Recently, I helped a friend install a new chain on her road bike, and for the first time read the instructions for installing one. It seems to claim that there's a forward direction, and that it ...
32
votes
13answers
215k views

Can I use a cyclocross bike for regular road-biking purposes?

I want to race cyclocross, and I also want to ride some longer rides out on the road. Can I buy a cyclocross bike and use it for both cyclocross and some serious road rides (I'm talking century type ...
32
votes
6answers
6k views

What makes a good entry level road bike?

I've been riding a mountain bike for years, but I prefer to go longer distances on paved ground, so I think a road bike would be better. When I ask what is a good bike, I don't need brands or models - ...
31
votes
15answers
80k views

Triple vs Double chainring?

I'm bike shopping for my first road bike, and I've asked for a lot of advice from my father who was a serious cyclist once upon a time. After showing him one prospective bike, he dismissed it with a ...
31
votes
10answers
9k views

What should I look for when buying a used bicycle?

I'm moving to a city where I can ride a bicycle to the grocery store, coffee shop etc. I want to purchase a decent used bicycle. I'm leaning towards a bike that's in between a "10-speed" or road-bike ...
29
votes
1answer
101k views

Difference between Cyclocross, Touring, and Road Bikes?

My question is "What is the difference between Cyclocross, Touring, and Road Bikes? Also what are their intended uses (their place in the cycle 'community'?)" I have looked at What is the difference ...
27
votes
7answers
6k views

Is there a way to hop up onto a parallel curb?

The scenario: you're riding in a curb-adjacent, paint-only bike lane. You happen to look over your shoulder (or in your mirror) and see a vehicle approaching from behind, either fully in the bike lane,...
27
votes
5answers
9k views

Getting over a downhill phobia

I've been riding seriously/regularly for about a year now, although like the majority of the worlds population I've been on a bike since I was a kid. When I was first starting out I had no real ...
26
votes
16answers
184k views

Converting a MTB to a Road Bike

I just bought a new MTB and am planning to change my previous MTB into a Road Bike. How do I do it? What kind of parts do I need to change or add or remove? I am not looking to for a full ...
26
votes
3answers
39k views

What purpose do the rubber 'hairs' have on new tyres?

Up close you can see at least three 'hairs' of rubber from this picture from the side of my tyre: Why do they exist? I've heard they are just a bi-product of the manufacturing process.
25
votes
3answers
4k views

It it impolite to “informally” join or draft a group of cyclists?

On a recent Sunday ride on a country road, I was slowly overtaken by a group of (5) guys on road bikes. They were "proper" road cyclists, if you know what I mean. When they passed me, I just slipped ...
25
votes
6answers
22k views

What is the difference between a horizontal top tube and a sloped one?

Some comparable bicycles have a crossbar (top tube) that's horizontal: Others have one that's sloped: What are the reasons for either frame design? Is it merely style preferences? Or is there more ...
25
votes
1answer
7k views

How Strong is my road bike?

Background: I have spent most of my time riding mountain bikes but I have recently started riding road sometimes too. I really like the position the road bike puts you in and the fact that you have ...
24
votes
7answers
59k views

Am I too heavy for my road bike tires?

I am wondering if bike tires have a weight limit. I have to admit, I am a large guy at 6'3" 250lb (190 cm, 113,5 kg), and I have always had issues with my road bike's tires getting pinch flats. I ...
24
votes
7answers
71k views

How do I efficiently shift gears on a road bike with downtube shifters?

I have bought a vintage Campagnolo road bike, so the shifters are on the down tube. I own a mountain bike and i am used to changing gears on that one, but don't know the proper technique to change on ...
22
votes
3answers
93k views

Upgrading straight handlebars to drop handlebars

I have a two-and-a-half year old Giant FCR 3 (with a road-bike-like frame and thin tires; it's somewhere in the loosely-defined "hybrid" range) that I use to commute to work, twenty-five miles round-...
22
votes
5answers
5k views

Spokes keep breaking - bad hub or bad build?

Background information A bit of background information (I'll try keep it brief): Last year I bought an old but unused bike, 5 speeds with internal gearing. Apparently the shop bought a lot of bikes ...
21
votes
13answers
26k views

How can you speed a road-bike up?

So, I have an 80's raleigh bike, reassembled from spare parts. I'm wondering what the best way to get more speed out of the bike is. Wheels? Gears? Lighter gear? Different pedals? I'm rather fond ...
21
votes
12answers
109k views

What is the downside to me purchasing a road bike instead of a hybrid?

I'm about to move to a place closer to my work where I'll be able to ride to and from the office (9km ride each way). I'm not super fit but I occasionally ride to work from where I'm living now ...
21
votes
9answers
8k views

Why Do I Need a Better/Lighter Road Bicycle to Train For 'Fitness'?

I'm about to purchase a bicycle in the very near future and have been shopping around at different bike shops to see what I like and what they offer. My primary goal here is to commute to work. It's ...
21
votes
5answers
7k views

Is there a way to know if someone is drafting behind without turning your head back or trying to hear the noises?

In a group ride when I'm the one pulling, I often unknowingly leave my friends behind until I turn my head and see them in far distance, then I had to slow down. Is there a way to know that they are ...
21
votes
7answers
6k views

I keep breaking my road frames - why?

I've gone through four five frames in the last decade or so, all from different manufacturers, all steel but both lugged and welded both steel and aluminium. Every one of them has eventually developed ...
21
votes
6answers
9k views

How do I change a road bike into a commuter bike?

I have a road bike that I commute to work on, just a 9km trip each way. I also have some tightness in my lower back, especially since I usually sit in front of a computer screen. My wife wants me to ...
21
votes
10answers
39k views

What are the benefits of 700c23 tires?

23s come on almost all new road bikes, and tire selection is much better for 23s than other tire sizes at most shops. The benefits of 25s and 28s are a better ride, more traction, and are more flat ...
21
votes
4answers
20k views

what benefits does a road bike give over a regular mountain bike for casual cycling?

I'm a casual cycler, for recreation. I have a carerra kraken, MTB with front suspension and wide tyres. I use this for forrest trails and local back roads cycling (normally do a 15mile or 30 mile ...
21
votes
4answers
43k views

What height should drop handlebars be - relative to my saddle?

I've done most of my cycling with flat handle bars on a mountain bike. I'd like to start commuting to work though and am considering getting a road bike with drop handle bars. The thing is though, I ...
20
votes
7answers
7k views

How should I approach hills?

I've been biking to work 2-3 times/week this summer and I enjoy it for the most part. My big problem is that my ride is mostly downhill on the way in to work and mostly uphill on the way home. These ...
20
votes
12answers
81k views

Is it better to get an entry-level carbon bike or a similarly priced aluminum bike?

I am going to buy my first proper road bike, and I have been comparing entry-level carbon frames with top-level aluminum frames in the same series (Giant Defy). What are the benefits of carbon vs. ...
20
votes
7answers
14k views

What is the biggest component difference between a cheap road bike and an expensive road bike?

I am shopping around for road bikes now, and I wanted to know what components to look for. I am not talking about the frame, carbon or otherwise, I mean types of shifters, brakes, cranks, rims, etc.
19
votes
11answers
89k views

How much of a difference will I notice going from a Mountain bike to a road bike?

I have a Mountain bike with 1.95 tyres on it. Most of the cycle path I take into work is fairly well paved/asphalted, I'm not going over any dirt tracks or anything like that although there is the odd ...
19
votes
6answers
66k views

Larger tires on a road bike

I am curious if anyone has put larger tires (mountainish) on their road bike. I am thinking about doing this to do some riding on gravel roads/touring/commuting from rural areas. I have an older ...
19
votes
7answers
4k views

More speed or more distance for weight loss?

I have been cycling for some months. I started cycling for weight loss, now I am addicted to it. I have an average speed of about 23 to 28 km/h. I usually ride around 3 to 4 days a week and 80 to 100 ...
19
votes
4answers
25k views

What are the benefits of external bottom brackets?

Pretty soon, I plan to replace the bottom bracket on my early 90's Sakae Litage road bike. It takes a standard, English-threaded bottom bracket. Right now I think it contains loose bearings--I was ...
18
votes
4answers
16k views

Why am I slow on flat surfaces?

I've been riding about 300 miles a week for the last 2 years. I'm not riding in races, just riding with friends. I always ride 60+ miles (95+ km), and I'm in excellent shape. I have a low end road ...
18
votes
5answers
5k views

Why are road bikes (not time trial bikes) used in many triathlons?

I've been watching triathlon videos lately and I couldn't help but notice that, with the exception of Ironman Competitions, only road bikes and not time trial bikes are being used. Is there any reason ...
18
votes
8answers
12k views

What is the simplest way to lower the gearing on my touring bike?

I have a 2004 Jamis Aurora with a 52/42/30 triple and an 11-32 cassette in the back. 30x32 (25.3 gear inches) being the lowest gear is frustrating for the hilly terrain where I live (e.g., 7% grade ...
18
votes
1answer
1k views

How can I tell which road bike components/groupsets are better?

Shimano has new models of their groupsets every year but the lines generally keep the same names. This makes it difficult to figure out what year/version a particular bike has. Is there an easy way to ...
17
votes
8answers
60k views

Cyclocross bike as fast as a roadbike?

Next year i would like to commute by bicycle. I need to buy a new bike, but i don't know if to buy a roadbike or a cyclocross bike. I live in a more rural area where not every road is tarred perfectly ...
17
votes
11answers
20k views

Are today's bikes “better” than a few decades ago?

I'm looking to buy a road bike for commuting. There is a guy near me who finds older road bikes (e.g. from the 80's) and fixes them up. Are there downsides to getting an older bike (assuming it's had ...