Skip to main content
38 votes
Accepted

What is the maximum tire or minimum tire width I can fit on my bicycle

Maximum tire width is dependent on two main factors, clearance at the frame/fork, and the width of the rim. As for the frame clearance this can usually be visually inspected and easily distinguished ...
Nate W's user avatar
  • 9,272
21 votes
Accepted

Should square taper cranks be greased before installation?

I started getting seriously into bike work circa 2002 and was lucky enough to come across Jobst Brandt's view of the topic around that time. Since then, most of which time I've spent working as a ...
Nathan Knutson's user avatar
21 votes

What do I do when I am unsure if damaged carbon fiber is safe to use or needs replacing or repairing?

Carbon fiber composites are made up of sheets of carbon fiber filaments. These are usually impregnated with resin. To make CF structures, manufacturers will cut up the sheets, then lay them up onto a ...
Weiwen Ng's user avatar
  • 32.6k
20 votes

What is the maximum tire or minimum tire width I can fit on my bicycle

Tire to Rim Fits I was investigating the source of the document on rim vs tire width in Nate W's answer. This focuses on the rims first. I discovered enough new information to warrant writing a new ...
Weiwen Ng's user avatar
  • 32.6k
18 votes

Why shouldn't I care what model/make/year my bicycle is?

The problem with the question is not the owner's interest in the answer - it is clearly there. The problem is that the answer has almost no value for the community of this site: most generic bikes ...
Christian Lindig's user avatar
16 votes
Accepted

Why shouldn't I care what model/make/year my bicycle is?

Most questions are based on a need for knowledge about what parts to use or curiosity. The latter do not make suitable questions for SE sites and will normally be closed. For the former, fortunately ...
mattnz's user avatar
  • 50.9k
11 votes

How can I tell what year my bike was made?

Serial Numbers Bicycles (except children's bicycles) are almost always required to have a frame or serial number. Some manufacturers use a date-code as part of the serial number. For example, a ...
RoboKaren's user avatar
  • 29.2k
10 votes

How to use drop handlebars properly?

Most of the answers are correct, but I want to dispute some relatively minor points made some answers and comments. Riding on the Hoods Writers here are correct that most people are on the hoods much ...
Weiwen Ng's user avatar
  • 32.6k
10 votes
Accepted

What is linkglide/cues and how do they differ from existing standards?

This answer is based on the documentation published here, from which the picture is taken. LinkGlide/CUES LinkGlide is technically a new tooth profile and sets the principles described below. There ...
Rеnаud's user avatar
  • 20.6k
8 votes

How can I tell what year my bike was made?

Literature (old catalogues, fan websites, etc.) I managed to date my old Raleigh by finding scans of old catalogues online. That model was only sold in one particular year, but more often you'd get ...
Chris H's user avatar
  • 59.7k
7 votes

Terminology index - a list of bike part names and cycling concepts

Dropper Posts Dropper posts are more commonly found on mountain bikes and on some gravel bikes. They allow the rider to quickly lower their saddle height, and thus their center of gravity. This is ...
6 votes

Terminology index - a list of bike part names and cycling concepts

Bonk An expression used by cyclists to describe sudden fatigue or loss of energy while exercising. Also known as crashing, blowing up, or running out of steam/gas/fuel, or empty tank. The phenomenon ...
6 votes

Terminology index - a list of bike part names and cycling concepts

Thru Axles / Through Axles Through axles (TAs) are large-diameter threaded fasteners that secure the bike's wheels to the frame and fork, serving the same role as Quick Release Skewers. They ...
6 votes

How can I tell what year my bike was made?

Indexed and Electronic Shifting Shimano introduced Shimano Indexed Shifting (SIS) in 1984. If a bicycle has indexed shifters, then it is model year 1985 or later -- assuming that the shifters and ...
RoboKaren's user avatar
  • 29.2k
6 votes

How can I tell what year my bike was made?

Ask the Seller/Owner A simple thing if you're receiving a bike is to ask the person selling it. Take their info with a grain of salt though - some sellers may lie to increase the perceived value of ...
Criggie's user avatar
  • 125k
6 votes

How can I tell what year my bike was made?

Style of Shifter (friction shifter, brifter, grip shifter) Downtube or handlebar mounted friction shifters were common on bicycles until the early 1980s when indexed shifting was introduced by ...
6 votes

How can I tell what year my bike was made?

Freewheel or Cassette (Freehub) If your bicycle uses a cassette freehub for the rear sprockets, then it was likely made in the late 1980s or later. Shimano came out with the first commercial freehub ...
RoboKaren's user avatar
  • 29.2k
5 votes

Terminology index - a list of bike part names and cycling concepts

Chainsuck Chainsuck happens when the bicycle chain fails to disengage from the teeth of a chainring—usually during a shift—and wraps back up and around the chainring. Citation and image from: http://...
5 votes

Terminology index - a list of bike part names and cycling concepts

BCD (Bolt Circle Diameter) As Wolf Tooth Components describes, "Bolt Circle Diameter or BCD is the diameter of the circle that goes through the center of all of the bolts on your chainring. On ...
5 votes

Terminology index - a list of bike part names and cycling concepts

Tyre Clearance or Tire Clearance Wider tires at a lower pressure are more comfortable than narrower ones, and they often have no rolling resistance penalty. For riders interested in fitting wider ...
5 votes

Why are both Schrader and Presta valves still used on tubes?

To add onto the existing answers, there’s actually several good reasons to switch back to Schrader nowadays! Modern wide rims no longer need the additional strength from a smaller valve hole. Carbon ...
MaplePanda's user avatar
  • 15.6k
5 votes

How can I tell what year my bike was made?

Cottered Cranks The use of cottered cranks was popular on bikes until the mid to late 1970s until they were replaced by square taper and splined bottom bracket designs. Raleigh, for example, ...
RoboKaren's user avatar
  • 29.2k
5 votes

Why shouldn't I care what model/make/year my bicycle is?

I think an owner should care more about what generation their bike and groupset are from. I've successfully fitted a 2000's 105 groupset to a 1980s steel 10 speed, mostly because the groupset was ...
Criggie's user avatar
  • 125k
5 votes

What is the maximum tire or minimum tire width I can fit on my bicycle

The minimum is dictated by the width of the rim. Sheldon Brown has tables, here: https://www.sheldonbrown.com/tyre-sizing.html The maximum size depends on the space between the stays at the rear and ...
Carel's user avatar
  • 8,299
5 votes

Should square taper cranks be greased before installation?

Park Tool Repair says greasing the spindle is 'an option', but says it is to prevent corrosion, rather than having any effect on how the crank goes on the spindle. ...
Argenti Apparatus's user avatar
4 votes

Terminology index - a list of bike part names and cycling concepts

Q-Factor Related: Stance width Q-factor is the distance (in millimetres) between the outside faces of your crank arms. It is one component of your stance width, which is the Q-factor plus the ...
4 votes

Terminology index - a list of bike part names and cycling concepts

Coaster Brake (a.k.a foot brake, or pedal brake.) A coaster brake is a special rear hub for a bicycle, which performs two functions: It allows the bicycle to roll without forcing the ...
4 votes

Terminology index - a list of bike part names and cycling concepts

Axle Quote and image from Sheldon Brown's Bicycle Glossary: The shaft at the middle of a bearing. There is some controversy as to whether "axle" or "spindle" should be used in ...
4 votes

Terminology index - a list of bike part names and cycling concepts

Rim Tape For clincher type rims and tires with inner tubes: tape applied to the inside of the wheel rim to protect the inner tube from sharp edges and the ends of the spokes and spoke nipples, which ...
4 votes

Terminology index - a list of bike part names and cycling concepts

Play Play means unwanted movement in a system. It can be caused when one or more moving mechanical parts do not fit as specified. This can be caused when manufactured parts are out of the specified ...

Only top scored, non community-wiki answers of a minimum length are eligible