The Ironman glossary: BIKE
26 Feb, 2019 • by Admin
Jersey: a cycling top made of technical fabric, usually equipped with a front zipper for ventilation and back pockets to store food and tools.
aerobars: Because it's more comfortable and more aerodynamic for triathlon racing, most triathlon bikes are equipped with a set of bars which attach to the main handlebars (base bars) or stem of a bicycle and allow you to ride in the aero position. These can also be placed on a road bike.
aero bottle: Many triathletes attach a water bottle to the aerobars rather than to the down tube or seat tube, which makes drinking in the aero position easier. This can also refer to an aerodynamically shaped bottle that is used on the down tube.
aero position: Also known as the time trial position, the aero position involves riding in a "hunched over" position with the elbows resting on the aerobar pads. This saves your running muscles and helps keep you aerodynamic, especially on relatively flat bike courses.
arm warmers: Single sleeves of material worn in cooler weather to shield the arms. Can be removed mid-ride and stuffed in a jersey pocket.
arm coolers: Similar to above, but made of a thinner material intended to keep the arms shielded from the sun in hotter temperatures.
bento box: A small bag that attaches to the top tube of a bike to store food and tools.
bibs: A style of padded cycling shorts that are attached to a bib-like portion that goes up and over the shoulders.
bonk: Because you cover long distances while cycling, it's easy to get stuck during a ride or race without food or calories. When this happens, your blood sugar can drop so low that your brain goes into a fog and your muscles quit firing. This is called a bonk. The fix? Eat fast and eat lots. (See also: "Hitting the wall," below.)
brick: A workout consisting of two triathlon disciplines, in which you run immediately after finishing a bike workout or bike immediately after finishing a swim workout.
cadence: The speed of pedaling while bicycling, also known as RPM, or Revolutions per Minute.
chamois cream: A cream or lotion that cyclists apply to their crotch area to help ease chafing of the saddle and shorts against the body.
C02 cartridge: A small cartridge of compressed air that enables cyclists to inflate flat tires quickly.
disc wheel: A solid, spokeless wheel that is very aerodynamic and often used as a rear wheel in triathlons.
down tube: The pat of a bicycle frame that runs from the handlebars and diagonally slopes down towards your back wheel.
drafting: Riding close enough behind the cyclist(s) in front of you that your pedaling becomes less difficult due to that rider blockin some of the wind resistance. This is illegal in most triathlons; you must typically maintain four to five bike lengths behind the person in front of you. (See the official IRONMAN Rules.)
dropped: When you're riding with a group of cyclists who are drafting, and you eventually get too far behind to be in the draft, you'll find that the gap increases between you and the group, pedaling becomes harder, and you can't catch up. This is called "getting dropped."
hammer: To pedal very hard, typically for an extended period of time (i.e. "That ride was a Hammer-fest").
jersey: A cycling top made of technical fabric, usually equipped with a front zipper for ventilation and back pockets to store food and tools.
kit: The full collection of cycling clothing, often matching and worn together, including shorts, jersey, gloves, socks, vest, jacket, arm warmers, etc.
peloton: The large, main group on a group ride. Not allowed in IRONMAN racing. (See "drafting" above)
power meter: A tool installed on a bike to measure the watts or kilojoules of work a cyclist is producing.
seat post: The tube on the bike that attaches to your saddle and is typically adjustable. On some triathlon bikes, it can be cut.
spin: To ride easy or pedal with very low resistance. (i.e. "We went for an easy spin.")
time trial: Typically a 20-180K ride at the maximum sustainable pace, usually performed in the aero position. The bike leg of most triathlons is defined as a time trial.
top tube: The tube that extends from the handlebars, between your legs, and horizontally back towards the back wheel.
trainer: The nickname given to a stationary trainer, where indoor cycling or specific intervals can be easily completed. (i.e: "I did a killer trainer workout last night.")
tri bike: A nickname for a time trial bike, or aero bike, commonly used in triathlon. A lightweight bike with specific bar and seat post set-ups, as well as weight modifications, for riding in the aero position.
tube: The rubber inner tube that goes inside a bicycle tire.
tubeless tires: Bicycle tires that do not have a separate tube that goes inside.
watts: The amount of power, in watts, an athlete is generating on the bike. Measured by a power meter.
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