Questions tagged [speed]

how to go faster or how to go faster safely. For questions about gears or derailleurs, use 'gears'

Filter by
Sorted by
Tagged with
1
vote
2answers
108 views

How much can I expect to improve in 1 year?

I am 51 yo, started cycling 2 months ago. I do about 80 km per week (in weekends). Currently my average speed over large distances (max distance I've done so far is 90 km) is around 22 km/h. On flat ...
7
votes
1answer
828 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 ...
3
votes
4answers
265 views

I want an old road bike to fix up that goes fast. Where do I start?

I would like to get into road biking with some co-workers who have fancy new road bikes. However, I prefer to buy an older bike from the 70s, 80s, or 90s because I like fixing up older stuff and I'm ...
1
vote
2answers
118 views

Understanding science of speed difference between two bikes

I have two MTBs and one is slower than the other. Bike1 has Deore derailleurs and a double chainring with 10 sprockets and Shimano hubs. Which has a great speed irrespective of the gear combination. ...
1
vote
3answers
145 views

How durable are road or hybrid tyre tubes compared to mountain bike tyre tubes?

The context here is that I'm using a mountain bike to commute and I'm considering buying a hybrid bicycle or road bicycle. I'm experiencing various issues that require repairs and maintenance. ...
4
votes
1answer
200 views

Expected time in cycling race

I am about to participate in my first cycling race. The organizers ask me about my expected average speed, presumably for creating suitable groups of comparable speed. I just started cycling on a ...
0
votes
3answers
188 views

What are all of the speed numbers for a bike?

If you are buying a bike, there are a lot of different speeds. Is there a complete list of speeds? I'm trying to create an array... var allSpeeds = ["single-speed","3-speed","12-speed"];
0
votes
2answers
354 views

Rim brake on front and disk brake on rear

Good day guys. I would like to know... I've purchased a old fixed gear bike, and i converted it to a freewheel. I've managed to install a rim brake on front. I was going to install ine on the back ...
0
votes
1answer
42 views

Difference between drivetrains

I have a 3x10 speed MTB. Will it be a upgrade or a downgrade to move towards a 1x10 and will I be able to easily ride above 60km per hour as I can with the 3rd gear in front?
4
votes
4answers
5k views

Is 25 km/h average speed good? What speed should I aim for?

So, I recently got into road cycling and have been riding for a few weeks. My average speed for most of my rides is around 25 km/h for the first 40 km and drops to 15 or 20 km/h for the next 20 or 30 ...
1
vote
4answers
334 views

Faster with lower center of gravity?

If I bend my torso toward the top bar, lowering my center of gravity, will that alone help my bike go faster?
1
vote
2answers
169 views

Chainring sizes for 11 speed cassette

I have an 11 speed cassette 11-32 teeth. I am running a 52 teeth chainring on the front. What would be a good recommended smaller chainring for the front? It needs to be big enough to take up the ...
2
votes
2answers
206 views

Laws against electric assist bicycle with energy recovery? [closed]

Is an electric bike like this required any special license. The power applied comes from the collected kinetic inertia from going down hill or stored from the rider then the stored power can then be ...
11
votes
4answers
9k views

Can you ride a bicycle at 90 km/h on a flat road?

This video was featured in a leading news website in my country. It's a cyclist riding on a highway with very high velocity - said to be 90 km/h - close behind a truck. The road is flat, so it keeps ...
15
votes
4answers
5k views

For fitness's sake, is it better to ride with low cadence in high gear or higher cadence in medium gear?

I've started riding to get fit and lose weight. As part of that, I set little challenges for myself, eg: "I'm going to ride these next two blocks as quickly as possible in the highest gear". I'd be ...
4
votes
3answers
483 views

Fastest way to get faster up hill

There's a 2.4km, fairly gentle hill near me which I want to get quite a bit faster on. The traditional answer to my question is likely to be 'Go up the hill more often', but I also have a turbo ...
1
vote
1answer
296 views

I generally commute along four-lane 30 mph [50 km/h] main streets. Is this wise?

crasic's view Elsewhere, crasic writes: The Most Direct Route is Not Always the Best ... Your driving commute route is usually a horrible bicycling commute route. I purposefully avoid big ...
0
votes
1answer
193 views

Faster Wheels & Tyres for my Cyclocross bike

I ride a cyclocross bike for commuting but want it to go faster! Instead of buying a new road bike, I'm thinking about new wheels & tyres. My journey is pretty flat at the moment. The currents ...
1
vote
2answers
660 views

Top speed for Cannondale Bad Boy

I have a 2015 Cannondale Bad Boy 3. I'm planning on making a trip tomorrow that goes across a very long, fairly steep road (It's almost completely straight). I've had the bike for about six months, ...
1
vote
2answers
739 views

Does changing gear relation produce different speed at same applied power?

When you are starting the ride, I potentially believe ("know?") that with a smaller plate(cog with fewer teeth in the rear cassette), you obtain more velocity than with a bigger plate(cog with more ...
1
vote
2answers
1k views

Replacing thick tire with thin tire

I ride a Hero Sprint, with tire size 26 inch. The wheels are thick and become slow, given my cycle's weight. Is it possible for me to switch to thinner tires? If yes, what are the plus and minus ...
4
votes
4answers
439 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 ...
6
votes
2answers
829 views

How much does wind affect the speed of a professional cycling peloton?

It's a well known fact that due to air resistance increase of speed on a bike takes non linear increase of power, so the huge marginal increase of power needed to go faster while riding at around 40-...
2
votes
1answer
570 views

How much better are aerodynamics between a vintage road bike and a top of the line aerobike?

(Just up front: (1) All comparisons made keeping all other factors equal! (2) I know this is a really hard comparison, but there seems to be virtually nothing canonical on here or the rest of google, ...
5
votes
3answers
3k views

Do I need a Road Bike to go fast?

Do I need a road bike to go fast, my average mph is normally around 11 - 12mph according to strava & fitbit The thing is I normally overtake most people, and some cars when I'm going downhill, ...
0
votes
2answers
233 views

Increasing speed and reducing effort on steel MTB on the road [duplicate]

I have a low end steel MTB, which is heavy by itself, and I also a heavy man weighting in at 100kg, and on my MTB I have knobby dirt tires. As you can imagine, riding on the road any faster than 20km/...
2
votes
3answers
160 views

Rear view ears at speed

How can you hear cars approaching over wind noise? As I transition from a Sunday rider to a commuter I've gotten a good deal faster. This increases the wind noise in my ears, and it's gotten to the ...
2
votes
1answer
168 views

Cassette compatability regarding Shimano 9 speed

I have a Ultegra CS6700 9 speed rear deraileur that came on my bike. Originally the gearing was 12-25, which I changed to 12-27. I was wanting to know of that deraileur would work without a problem ...
2
votes
2answers
14k views

105 Shimano 10 speed shifters - compatibility with 11 speed rear derailleur

I am building a bike and I am using 10 speed Shimano 105 shifters. On the back I am using a 11 speed 105 rear derailluer (because is the only one I have at the moment). The cassette I am using is a ...
8
votes
4answers
2k views

Is there a limit to safe downhill speed on a bike

I have a very steep hill on my route which levels out after about 2 km. The first quarter is extremely steep and shortly after I enter it the bike skips around a little bit and by the time I'm at the ...
5
votes
1answer
751 views

Newbie Question: What do speeds mean on chains?

I'm shopping for a new chain, and I noticed some inconsistencies when discussing speeds. Specifically, speeds applied to the cassette refer to how many layer of gears it has (I presume). Speeds, when ...
4
votes
3answers
2k views

How much slower are big tires?

I've now got a bike with 2.35" (or 60mm) Schwalbe Big Apple and feel a bit slow. There's no testing to prove this claim, but riding my fixie (25mm) the last couple of years just felt quicker/easier. ...
9
votes
5answers
3k views

How does weight influence your speed when descending?

I have recently bought a road bike and went on a little trip with a friend who is also a novice. We have approximately the same height but he weighs a lot more (I weigh 67-68kg for 1m81 and he weighs ...
17
votes
10answers
26k views

How do I make a mountain bike go faster (commuting)

I just began biking around 4 months ago, and due to lack of experience I bought a Diadora Orbita Mountain Bike. I've staring commuting to work recently (about 14 km daily) but I'm not exactly happy ...
2
votes
2answers
273 views

Riding fast on an MTB

I have been cycling for quite some time now (an MTB - hardtail) and I intend to go for higher speeds above 45kmph (on road). I typically cruise around 38kmph (on road). I can endure my cruise speed ...
4
votes
3answers
1k 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 ...
7
votes
3answers
5k views

At what speed does Aerodynamics of a bike come into play?

Is a more aero bike more efficient than less aero bike at 10mph? At what speed does Aerodynamics affect your speed significantly. update: "The question is dealing with the minimum speed that a ...
2
votes
2answers
543 views

Foot shifting while pedalling

I have been contemplating clipless pedals as the next logical step. So after a bit of research and reading this question and it's answers I find myself a bit unconvinced mainly because nothing covers ...
6
votes
3answers
540 views

Which components affects downhill speed? [closed]

So my riding buddy can never keep up with me downhill. I'm slightly heavier than him (5-10lbs). I have an older non aero bike. He has a newer aero bike. His is probably a few lbs lighter than mine. ...
6
votes
1answer
170 views

Flat land speed development

I guess I'll start off by saying that I am not a necessarily experienced rider. After years of doing ultra-marathon running I decided to move to triathlon to cross train. I signed up for a 70.3 a few ...
2
votes
2answers
394 views

Switching to touring bicycle: Performance considerations

I'm using a road bike more than 2 years for holiday tours and commuting. Merida Scultura 903 Shimano Tiagra groupset (50-34, 12-28) 8-9 kg 700x23 tyres Now i have plans to switch to touring bike. ...
3
votes
2answers
4k views

Spinning bike speed vs outdoor ride speed

I have been riding indoor on spin bike and I average 40 km/h, would someone help me translate these speed to outdoor cycling?
15
votes
9answers
16k views

Fixie vs Road Bike - the right fixie bike for bunch rides

At our local bunch rides, we're seeing more and more guys out on fixies and they are going at a phenomenal pace. We have a local segment called the "Chicken Run" (and it's flat) and this one guy in an ...
0
votes
2answers
368 views

Shimano Deore XT: is 9-speed no longer continued? (Europe)

For an upgrade I'm trying to decide whether to change to 9-speed or 10-speed cassette, chain, derailleur, shifter and crank. On the european Shimano website there are not many words about 9-speed ...
3
votes
1answer
2k views

Can I upgrade to a 11 speed freehub or do I need to change everything?

I have a set of Shimano WH-RS10 hubs on my bike. Can I upgrade to a 11 speed freehub or do I need to change everything? If not what would I need to upgrade to 11 speed wheel?
11
votes
5answers
5k views

Legs are very weak

So, I've been riding at different levels of difficulty for years now, from a 33lb, one gear bmx to a 21 speed, 44lb mountain bike, and now to a 22lb, 21 speed road bike. Each bike had its own ...
12
votes
1answer
4k views

How difficult would it be to maintain 17.5 Mph for an hour?

Whats a good target speed to maintain inside a velodrome for an hour? I believe Bradley Wiggins maintained an average speed of around 35 Mph for an hour, how difficult would it be to maintain half ...
8
votes
2answers
9k views

How much faster will I be if I lose 10kg (from 100kg, all else equal)

All else being equal (power output, weather, wind resistance, etc.), how much faster will I be if I lose 10kg (going from 100kg to 90kg) while riding? Acceleration and climbing might be much ...
6
votes
1answer
1k views

Why exactly did Boardman manage a further distance than Wiggins?

In light of Bradley Wiggins' recent hour record of 54.526km, I heard a lot about how Chris Boardman has the absolute record of 56.375km. What I didn't hear and (hence my question) what I want to know ...
3
votes
3answers
7k views

Replacing an 8-speed cassette with a 9-speed one to make my bike faster

I'd like to make my 8-speed tokyobike Classic Sport city bike go faster so I'm considering replacing the 8-speed cassette with a 9-speed one which can be found on the tokyobike Sport. The bike has ...