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2. Presta valve - Wikipedia

   en.wikipedia.org/wiki/Presta_valve

   A tire valve goes through a hole in the rim, and the hole slightly weakens the rim. Presta valves are thinner than Schrader valves, so can fit through a smaller hole. For bicycle rims which are narrow and lightweight (thus highly stressed), a smaller hole makes the rim and wheel stronger.

3. Bicycle tools - Wikipedia

   en.wikipedia.org/wiki/Bicycle_tools

   A chain tool or chain splitter is used to 'break' a chain, in order to remove it from a bike or remove links, or to put a chain back together. A crank extractor is used to pull the crank off the bottom bracket spindle. A pedal wrench removes the pedals from the bicycle. It is also usually possible to use a common spanner in the correct size for ...

4. Dunlop valve - Wikipedia

   en.wikipedia.org/wiki/Dunlop_valve

   The Dunlop valve, (also called a Woods valve, an English valve or a Blitz valve [1]) is a type of pneumatic valve stem in use—mostly on inner tubes of bicycles—in many countries, including Japan, [2] Korea, India, Pakistan, Sri Lanka, most European countries, and a number of developing countries.

5. Bead breaker - Wikipedia

   en.wikipedia.org/wiki/Bead_breaker

   A tire bead is held in the groove by air pressure. A bead breaker is a tool used for separating tires from rims. The innermost diameter of the tire that interfaces with the rim of a wheel is called the tire bead. The bead is a thicker section of rubber, and is reinforced with braided steel cables, called the bead bundle. [1]

6. Quick release skewer - Wikipedia

   en.wikipedia.org/wiki/Quick_release_skewer

   The mechanism was invented in 1927 by Tullio Campagnolo, an Italian bicycle racer. He was frustrated when he attempted to change gears during a race. At the time there was but one cog on each side of the rear hub, so gear changes necessitated stopping, removing the rear wheel, flipping it over horizontally so that the opposite cog is engaged by the chain, and finally reinstalling the wheel.

7. Tire iron - Wikipedia

   en.wikipedia.org/wiki/Tire_iron

   Plastic and metal tire levers Removing a tire with tire levers. One lever is hooked onto a spoke. Tire irons for bicycles are usually referred to as "tire levers", as they are often made of plastic, not metal. Tire levers for bicycle tires have one end that is tapered and slightly curved.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Bicycle tire - Wikipedia

   en.wikipedia.org/wiki/Bicycle_tire

   A bicycle tire is a tire that fits on the wheel of a bicycle or similar vehicle. These tires may also be used on tricycles, wheelchairs , and handcycles , frequently for racing . Bicycle tires provide an important source of suspension , generate the lateral forces necessary for balancing and turning , and generate the longitudinal forces ...