2
votes
1answer
13 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 ...
0
votes
0answers
5 views

When riding with a single pannier, does it matter which side it's on?

I read somewhere that when riding with a single pannier, the pannier should be mounted on the left side (traffic side in the US). However, the article didn't give a reason behind that. It's been quite ...
0
votes
2answers
34 views

How much does rider weight increase tire pressure?

When a person sits on a bike, the air pressure in the tires must go up because of the additional weight. With 100 PSI in 700x23 tires on a riderless bike, what is the air pressure when a 100 lb rider ...
1
vote
1answer
133 views

Selecting a compatible BB: spindle offset

Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear How do I measure a bottom bracket? I thought the only thing that mattered when replacing a bottom bracket ...
2
votes
7answers
124 views

1980's bike vs New(er) Models? (Should one stay with an ancient bike?)

I have been cycling on a Centurion Pro Tour that was constructed sometimes in the 1980's - probably late 1980's, but still. It works great. It coasts downhill far faster than my hybrid, it doesn't ...
0
votes
1answer
30 views

What are the Pros/Cons of a 2.1 vs 2.3 wide Mountain Bike Tire

Time for new Tires on my Mountain bike. I'm currently running a 2.1 (26"). What are the benefits of the 2.3? I'm guessing: you can run it at lower pressure and get some of the benefits of a ...
4
votes
5answers
169 views

Are there sirens/horns that are like a car horn?

I am going to start commuting on my bike, but I often use busy roads that are not cycle friendly and cyclists are not often noticed. I need a horn to be noticed (and to vent my anger without losing my ...
4
votes
5answers
6k views

7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go?

Sheldon Brown says "Add a 4.5 mm spacer before installing a 7-speed cassette on an 8-, 9-, or 10-speed hub", but doesn't seem to show spacer placement in any picture. My direct experience is that the ...
0
votes
0answers
24 views

Choosing a hybrid bike in UK

I need to replace my old Hybrid bike that became unusable. I don't want to spend more than 200£, but, rather than get something that gives me more troubles than pleasure, I prefer to spend a little ...
24
votes
3answers
15k 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 ...
6
votes
3answers
282 views

Minimum mountain bike trekking/touring equipment

Consider a one week trip in nature, with bikes. Daily routes are to be about 60km with 2000m total elevation change per day (climb, then descend). The group is of 2-5 people. Weather is summer (maybe ...
5
votes
3answers
514 views

Safety of fixies

I am feeling minimalist and hipster, considering buying a fixie. I have never ridden a fixie and cannot gauge the safety of fixies (an important issue for me). I am only considering fixies with both ...
0
votes
0answers
22 views

Clear glasses without “ghost” double images?

I've been looking for a good pair of glasses for low-light or nighttime cycling. I've tried a few pairs but all have the same issue: a "ghost" double image of any bright lights. It can be a bit ...
4
votes
2answers
1k views

Is it practical to replace two sprockets on a cassette?

My bike has 53/39T chainrings and a cassette with 12,13,14,15,17,19,21,23,25 sprockets, but I like to ride up steep mountain roads. Is it possible (without great expense) to replace two sprockets to ...
3
votes
3answers
200 views

Single pivot brake with handlebar levers (Resurrecting an old Colnago)

I have an old Colnago I want to resurrect, which after some Google-ing I have discovered is very similar to the bike here (but in blue): I want to replace the drop bar brakes with "standard" brakes ...
17
votes
5answers
3k views

Is it bad etiquette to ride road bike through a small residential area?

Is it considered bad etiquette to ride a road bike through a small residential area? Not talking about a cheap bike and riding on the sidewalk but a nicer road bike at a decent pace. I don't want to ...
3
votes
2answers
113 views

Where can I ride Paris-Roubaix style cobbles in the UK?

Watching the Paris-Roubaix and the Ronde van Vlaanderen recently made me think I'd like to try out my road bike on similar-style cobbles, just for a laugh. Is there anywhere in the UK (I live in ...
21
votes
5answers
2k views

Are there any scientific studies proving the benefits of clipless pedal systems?

Have there been done any scientific studies that proves that clipless pedals actually improve pedaling efficiency etc. over flat pedals? Clipless pedal enthusiasts are quick to say that you must use ...
21
votes
4answers
22k views

What are the pros and cons of internal gears?

I've had my hybrid 24-speed for a bit over 3 years now, and just last weekend, when looking for a bike for my wife, discovered internal gears. Suffice to say it blew my mind when I saw 7-speed ...
6
votes
3answers
660 views

Creaking bottom bracket

I have a Trek 3900 Mountain bike that had a serious creaking problem whenever I would pedal. I found that the ring that holds the Shimano sealed bearing was really loose. I tightened it up and it ...
1
vote
1answer
47 views

7-speed cassette on an 11-speed freehub

Is it possible to use an SRAM cassette PG 730 7-speed cassette with a Mavic FTS-X freehub? According to the spec, no spacer is required for an 11-speed cassette and for 9/10 speed version a spacer is ...
2
votes
2answers
35 views

Creaking From Bottom Bracket [duplicate]

I'm not too familiar with the correct terminology for bike parts so please bear with me. I recently bought a mountain bike and have started to notice a loud creaking sound coming from the ...
9
votes
3answers
353 views

Is it harmful for a hydraulic brakes bike to be put upside down

I heard somewhere that bikes with hydraulic brakes should not be put upside down. If they are, 15 minutes should be allowed, before the bike is used. Is there any truth in this? What process could be ...
2
votes
3answers
804 views

Disc brakes make noise

My disc-brakes on my mountain bike sing/scream when I brake. I have tried to clean them, but it didn't work. Should I replace the disks or the brake pads? Is there a better (cheaper) way to fix this.
1
vote
2answers
84 views

My bike after a new spray paint, gets scratched easily

I completely sandpapered my bike a few months back and repainted it with a coat of primer first, and then matt black. The paint was sprayed only after sandpapering the bike with the appopriate gritt ...
4
votes
2answers
23k views

How to calculate the capacity of a rear derailleur

It's easy to calculate what capacity of a rear derailleur will be needed based on the size of the big and small chainring and the big and small cog. What about the converse question, how to calculate ...
0
votes
1answer
66 views

Is this bike worth $750? [on hold]

Or is it overpriced? http://sfbay.craigslist.org/eby/bid/4419402562.html It has all dura-ace components, but it's a 1995, 8 speed. The all carbon frame is attractive, too. I should also mention that ...
2
votes
1answer
105 views

Is a Giant TCX W wrong for me if I want to use it for around town and occasional long rides?

I'm looking for a bike to ride mainly around town and hope to get up to doing longer rides (maybe Cycle Oregon). A local bike shop is selling a Giant TCX W cyclocross for $950 (reg price $1,900). I ...
4
votes
2answers
167 views

Name in English of different parts and tools

What is the name in English of the part that has a set of dented wheels and goes attached to the center of the back wheel of a bicycle? What would be the name(s) in English of the tool that allows ...
1
vote
2answers
82 views

Road Bike or Hybrid Bike For Paving Stone

I haven't got any experience for these bikes. I want to buy a bike but I can't decide because I will use on paving stone. For example here. I'd like to buy a hybrid bike however I saw this bike in ...
0
votes
0answers
103 views

Are these bikes real from Aliexpress?

I wanted to buy a bike and started checking for one online. I went through some nice ones on Aliexpress.com but the price is very suspicious to me. It's not just the price but also the free shipping ...
5
votes
2answers
87 views

difference between rack mounts and fender mounts?

is there a specific way that bike builders build mounts/eyelets for racks for panniers and eyelets that hold fenders? I'm specifically thinking about eyelets on the rear dropouts. I know that if a ...
74
votes
53answers
9k views

Terminology index

It would be helpful to have a common place to list terminology, I'll start it off Some Rules Make sure you only put one term per answer! Try to include an image if applicable Include sources that ...
5
votes
0answers
35 views

odd noise on new disc brakes

After 200 miles on my LaPierre X Control 229 equipped with basic Avid hydraulic disks, I can hear the front wheel disk ventilation slots grinding through the caliper when I brake moderately! (Shimano ...
1
vote
2answers
47 views

Can a 120mm fork be mounted on Specialized Myka?

I have this fork available: RST Gila T8 (120mm travel option). The 80mm XCT fork on a 2-year old Specialized Myka is getting worn. I am considering installing the fork. Here it is explained that ...
5
votes
5answers
454 views

High-quality commuting bike with “women's” frame

My wife wants a high-quality commuting bike (riding almost an hour each way five days a week). However, she wants it to be compatible with skirt-wearing and, as a result, refuses to have a frame with ...
2
votes
1answer
125 views

How can I mount a 25.4 mm seat-post on a frame that needs a 27.2 mm seat-post

My bike has no rear suspension. So I thought of putting a suspension seat-post on it. Unfortunately the only suspension post available in my city is a 25.4 mm one. I have added some scrap metal to fix ...
6
votes
2answers
113 views

Spoke Tension Guidelines

Generally what should the tension be for spokes in wheels built up from scratch? For the front wheel? Should the tension be different for drive-side/non-drive-side spokes in the rear? Should tension ...
6
votes
3answers
451 views

Should I avoid sitting on top tube on my carbon bike?

In another bicycle discussion forum I encountered a thread about possibility to damage carbon frame by sitting on top tube while stopped. I see some sense in it, as generally tube walls are a lot ...
-1
votes
0answers
73 views

How to choose a good bike light? [on hold]

I want to buy a bike light for my bike,but i don't know how to choose it.I saw one on the koolerbuy that i think is good ,so who bought the product on koolerbuy,could you give me some advice? ...
0
votes
0answers
44 views

Bicycle wheel size? [on hold]

This is my first time trying to buy a tire for my mountain bike. 200cm all around. 57cm in the rim diameter. And the wheel diameter is around 63 cm. I want to by the tire from Canadian Tire and ...
0
votes
1answer
202 views

V-brake mount for caliper brakes

Is there an addaptor or mount that uses your V-brake mounts to allow a new fork without disc mounts that i have, to enable it to use caliper brakes, i try to avoid geting new brake levers, i figure an ...
1
vote
2answers
65 views

Rubbing disc brake caliper

Finally I bought my new hydraulic disc brakes (Shimano M-446) and installed it on my bike . It was a little difficult to adjust the calipers , because the space between the pads is smaller than on my ...
2
votes
0answers
80 views

Figures on accidents involving cyclists where motorists are using cell/mobile phones

I am trying to get hold of some figures for accident rates where either, ideally just cyclists or, just general road users & pedestrians, are involved in accidents (or reported near misses) ...
4
votes
2answers
264 views

How to replace old style cotter-pin bottom bracket with a modern one?

I have an old 1950's English bicycle with cotter-pin style bottom bracket like this: I find the cotter pins fail fairly regularly and are hard to replace correctly. I was wondering if it's possible ...
2
votes
2answers
89 views

Protecting carbon bike frame after a small chip?

My bike frame is carbon and it recently got a small chip. It's about the size of a pinky fingernail in size. Should I do anything to treat the chip to help prevent it from getting worse?
0
votes
2answers
193 views

What bike for a long distance tour. What to change on current set up?

This is my current set up. I am thinking of upgrading and changing some parts. Particularly I am interested in making the overall bike lighter, and the ride more comfortable. Steel frame (kona ...
7
votes
2answers
1k views

Is there a polite way to take the centre of the road without antagonizing motorists?

The city I live in isn't especially well designed for cycling. There are some streets with parallel parking on the sides, and in this situation it's safer to ride in the middle of the lane as to ...
3
votes
6answers
154 views

“Creaking” noise from headtube/handlebar

I have a steel frame (Columbus steel, made by Dancelli), and when I put weight on the ends of the handle bar, I hear a creaking noise from the headtube. It might not be the handlebar because I tried ...
-3
votes
0answers
51 views

Has anyone bought a bike from bike-sales.com? [closed]

Is anyone familiar with the online site- bike-sales.com? Sold out of Indonesia They have amazing prices, probably because it's out of Indonesia. Maybe.Seems wholesale but to the public. And with a ...

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