Tire

Assorted new automotive road tires, showing a variety of tread patterns.
Tractor tires have substantial ribs and voids for traction in soft terrain.
John Boyd Dunlop on a bicycle c. 1915
A winter tire without studs, showing tread pattern designed to compact snow in the gaps.
High-performance rally tires
Off-road tires under transport
Tires on the wheels of a bogie on a Boeing 777
A cross-section of a tire showing ply orientations
Airless tire
Components of a radial tire
Mountain bicycle tires with an open-lug pattern for grip in soft soil
Absence of grooves maximizes dry-pavement friction on a set of slick Formula One tires.
About 50% of tires use the Styrene-butadiene copolymer as a primary ingredient.
A bicycle inner tube with valve stem
Tire performance envelope by Goodyear
Tire showing uneven tread wear to the point of exposing the casing
Tire identification diagram with tire codes
A tire repair shop in Niger
Rolling resistance as a function of tire inflation
Tire showing weather-cracking over long-term exposure to the weather
Flat automobile tire
Tires recycled into water tanks on roof. Cherchen, Xinjiang.
Children on a tire swing

Ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface over which the wheel travels.

- Tire

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Carbon black

Material produced by the incomplete combustion of coal and coal tar, vegetable matter, or petroleum products, including fuel oil, fluid catalytic cracking tar, and ethylene cracking.

The flames caused as a result of a fuel undergoing combustion (burning)

Carbon black is used as a colorant and reinforcing filler in tires and other rubber products; pigment and wear protection additive in plastics, paints, and ink pigment.

Traction (engineering)

Force used to generate motion between a body and a tangential surface, through the use of dry friction, though the use of shear force of the surface is also commonly used.

Diagram of the longitudinal coefficient of adhesion (fx) in function of the speed and the weather conditions for the asphalt: 
A) dry asphalt 
B) Asphalt drainage in wet conditions 
C) Asphalt in wet conditions 
D) Snow 
E) Ice
Change cross tack (Fy) average during the seasons (represented numerically from 1 to 12) and with different road surfaces. 
A) Hot Rolled Asphalt 
B) Gravel 
C) Quartzite 
D) Conglomerate cement 
E) mastic asphalt 
F) Gravel sedimentary (unbound)

Direction of traction relative to some coordinate system - e.g., the available traction of a tire often differs between cornering, accelerating, and braking.

Contact patch

Colorized tire footprint pressure distribution

Contact patch is the portion of a vehicle's tire that is in actual contact with the road surface.

Bicycle

Human-powered or motor-powered assisted, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other.

The most popular bicycle model—and most popular vehicle of any kind in the world—is the Chinese Flying Pigeon, with about 500 million produced.
Wooden draisine (around 1820), the first two-wheeler and as such the archetype of the bicycle
Michaux's son on a velocipede 1868
1886 Rover safety bicycle at the British Motor Museum. The first modern bicycle, it featured a rear-wheel-drive, chain-driven cycle with two similar-sized wheels. Dunlop's pneumatic tire was added to the bicycle in 1888.
John Boyd Dunlop on a bicycle c. 1915
Cyclists' Touring Club sign on display at the National Museum of Scotland
Firefighter bicycle
A man riding an electric bicycle
A cyclist leaning in a turn
A recumbent bicycle
Balance bicycle for young children
Diagram of a bicycle
A Triumph with a step-through frame
A carbon fiber Trek Y-Foil from the late 1990s
A bicycle with shaft drive instead of a chain
A set of rear sprockets (also known as a cassette) and a derailleur
Hub gear
Bicycle grips made of leather. Anatomic shape distributes weight over palm area to prevent Cyclist's palsy (Ulnar syndrome)
A Selle San Marco saddle designed for women
Linear-pull brake, also known by the Shimano trademark: V-Brake, on rear wheel of a mountain bike
A front disc brake, mounted to the fork and hub
Touring bicycle equipped with front and rear racks, fenders (called mud-guards), water bottles in cages, four panniers and a handlebar bag
Puncture repair kit with tire levers, sandpaper to clean off an area of the inner tube around the puncture, a tube of rubber solution (vulcanizing fluid), round and oval patches, a metal grater and piece of chalk to make chalk powder (to dust over excess rubber solution). Kits often also include a wax crayon to mark the puncture location.
Urban cyclists in Copenhagen in Denmark at a traffic light
Men in Uganda using a bicycle to transport bananas
"Let go – but stand by"; Frances Willard learning to ride a bicycle.
Columbia Bicycles advertisement from 1886
A man uses a bicycle to carry goods in Ouagadougou, Burkina Faso
Bicycles in Utrecht, Netherlands
A bicycle wheel remains chained in a bike rack after the rest of the bicycle has been stolen at east campus of Duke University in Durham, North Carolina.
Women on bicycles on unpaved road, USA, late 19th century
A penny-farthing or ordinary bicycle photographed in the Škoda Auto museum in the Czech Republic
The Svea Velocipede by Fredrik Ljungström and Birger Ljungström, exhibited at the Swedish National Museum of Science and Technology
Bicycle in Plymouth, England at the start of the 20th century
Man with a bicycle in Glengarry County, Ontario between 1895 and 1910
The first bicycle
Drawing from an 1896 newspaper of The London Hansom Cycle

Several components that played a key role in the development of the automobile were initially invented for use in the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets and tension-spoked wheels.

Dunlop Tyres

Dunlop Advertising from M. DuMont Schauberg (1925)
Dunlop sport tyres

Dunlop Tyres is a brand of tyres which is managed by different companies around the world.

Dunlop Rubber

British multinational company involved in the manufacture of various natural rubber goods.

John Boyd Dunlop
Share of the Dunlop Pneumatic Tyre Company Ltd., issued 23. May 1912
A 1914 Dunlop print advertisement for garden hoses
A worker at the recently opened Dunlop Factory in Cork slicing rubber for tyres (1935)
Dunlop Aquafort swim fins made from mid-1950s to early 1960s
Dutch tennis players Tom Okker and Jan Hajer pose with Dunlop and Slazenger rackets in 1964
A classic historic racing Jaguar E-Type hustles over the top of the Dunlop Curve towards the Dunlop Bridge at Circuit de la Sarthe, Le Mans. Originally built in 1932 as an advertising footbridge at the entry to the curve, the iconic bridge was moved in 1965 to its present location at the top of the Dunlop Curve, and the entry to the short straight to the Dunlop Chicane.

Its business was founded in 1889 by Harvey du Cros and he involved John Boyd Dunlop who had re-invented and developed the first pneumatic tyre.

Wagon

Heavy four-wheeled vehicle pulled by draught animals or on occasion by humans, used for transporting goods, commodities, agricultural materials, supplies and sometimes people.

A hay wagon in Germany, of a type common throughout Europe (the leiterwagen). The sides are actually ladders attached to serve as containment of hay or grain, and may be removed, such as for hauling timber.
Downtown Hico, Texas Wagon Team. circa 1910
A detail of The Hay Wain by John Constable
Hay wagons in the UK
A Conestoga wagon, a type of freight wagon used extensively in the United States and Canada in the 18th and 19th centuries for long-distance hauling
thumb|A bakery delivery wagon in Queensland, Australia
A Romani Vardo from England
The "Lion Tableau" circus parade wagon, built in 1904
Horse wagon, with metal water tank, for irrigation, 2018. The illustration shows regular wheels with tires, instead of traditional wagon wheels
Traction engine with living van
Reconstruction of a Roman traveling wagon richly decorated with bronze fittings, Romisch-Germanisches Museum, Cologne
Horse-drawn fire pump given to Brockhampton Estate in 1818
Gravity wagon
A historical recreation of a chuckwagon at the Texas Parks and Wildlife Exposition in Austin, Texas
Chuckwagon still used to prepare food at gatherings in Pecos County, Texas
A detail of The Hay Wain by John Constable|alt=An oil painting of a large steerable cart being drawn by two strong horses through a river
Roger Fenton's photographic van, Crimea, 1855
Bullock (ox) wagon carrying wool in New Zealand, c1880.
Modern reconstruction of a Hussite war wagon
George B. Selden driving an automobile in 1905
Lenoir Hippomobile
Ancient hearse hippomobile (France)
1911 International Harvester Auto Wagon (High wheeler)
International Harvester Auto-Buggy
International Harvester Auto Wagon
Patent drawing for the Duryea Road Vehicle, 1895
Sears Model L

Contemporary or modern animal-drawn wagons may be of metal instead of wood and have regular wheels with rubber tires instead of traditional wagon wheels.

Michelin

An 1898 poster by "O'Galop" of Bibendum, the Michelin Man
Michelin, advertising, Australia, 1922
c. 1965–1970, view of old fashioned Michelin omnibus and two michelin men with bystanders behind Charles Rolls statue, Monmouth, Wales.
Michelin Lithion 2, road bicycle tyre
Michelin's domination of the supply of rubber in French Indochina led to the Phu Rieng Do strike in 1930. This resulted in France investigating Michelin's treatment of workers on its rubber plantations.
Michelin is the official tyre supplier of the Porsche 911 GT3 Cup cars used in the Porsche Carrera Cup and the Porsche Supercup.
Michelin map nr 4 (South Belgium) of 1940
The Michelin PLR, a 1972 mobile tyre evaluation machine, based on the Citroën DS Break
Michelin North America headquarters in Greenville, South Carolina, United States.

Michelin (full name: Compagnie Générale des Établissements Michelin SCA) is a French multinational tyre manufacturing company based in Clermont-Ferrand in the Auvergne-Rhône-Alpes région of France.

Tire tread

tire tread
Common tire tread pattern.
Studded mountain bike tires for icy conditions.
The tread of a construction machine's tracks.

The tread of a tire or track refers to the rubber on its circumference that makes contact with the road or the ground.

Pneumatics

Branch of engineering that makes use of gas or pressurized air.

Pneumatic (compressed-air) fireless locomotives like this were often used to haul trains in mines, where steam engines posed a risk of explosion. This one is preserved H.K. Porter, Inc. No. 3290 of 1923.
A pneumatic butterfly valve

Pneumatic tire