11 votes

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

Tyre Saver Small loop of wire attached so that it rubs continuously on the tyre as it rotates. This brushes off debris and reduces the number of punctures. These were popular mainly in the 1970's and ...
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 ...
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11 votes
Accepted

Can my bike support a kickstand?

There are at least four different places you can mount a kickstand. From left to right: Orange arrow: Rear axle kickstand. These come in one-sided and two-sided varieties. The one sided are not that ...
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8 votes

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

Spider (part of the crankset) The part that connects the crank arms to the chain rings. You bolt the chainrings to the spider. In the past, you merely needed to find chainrings appropriate to your ...
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 ...
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7 votes

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

Pump Peg A pump peg is a small protrusion on a bike frame which is intended to facilitate the mounting of a "frame pump". Depending on the style of the frame, the peg may be positioned to ...
7 votes

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

Welded Frame A frame made by melting the tubes it is built from at the joins, typically with a similar metal added as filler. For steel bikes, welding is more amenable to mass production than brazing ...
6 votes

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

Brazed Frame see also lugged frame and welded frame A method of joining frame parts together by melting brass into the joins between frame tubes. Frames can be fillet brazed or use lugs, which are ...
6 votes

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

Dropout In the context of bicycles dropouts are a kind of fork end, where the wheels are attached. Dropouts are employed on most bikes; on some mountain bikes the axles pass through holes at the end ...
6 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

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 ...
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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 ...
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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 ...
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5 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 ...
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

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

Chain guard/Chain cover It's a frame, usually made of plastic or metal, that covers the entire length of the chain or only the upper part, mainly for protecting the rider from the dirt and lubricant ...
5 votes

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

Lugged Frame also lugs A method of frame-building where at least the major joints consist of frame tubes inserted into castings (the lugs). Lugs are often associated with steel frames. Steel lugs are ...
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, ...
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4 votes

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

Single-speed This means a bike that has exactly one rear cog, and cannot change gear. Very similar to a fixed-gear bike except a single-speed has a freewheel mechanism to allow coasting, i.e. riding ...
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 ...
4 votes

How can I tell what year my bike was made?

Mongoose specific if you have mongoose this may be if some help.. https://shop.re-rides.com/blogs/news/mongoose-serial-number-for-bmx-mid-school-new-school Older Mongoose bikes made through the 1980’...
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4 votes

Can my bike support a kickstand?

There are a wide variety of kickstands available, my guess is you would likely be able to find one that would fit. If the frame doesn't have a crossbar and hole behind the bottom bracket for a center ...
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