Modern bicycle brakes may be: rim brakes, in which friction pads are compressed against the wheel rims; internal hub brakes, in which the friction pads are contained within the wheel hubs; or disc brakes, with a separate rotor for braking. ...
The handlebars turn the fork and the front wheel via the stem, which rotates within the headset. Three styles of handlebar are common. Upright handlebars, the norm in Europe and elsewhere until the 1970s, curve gently back toward the rider, ...
The drivetrain begins with pedals which rotate the cranks, which are held in axis by the bottom bracket. Most bicycles use a chain to transmit power to the rear wheel. A very small number of bicycles use a shaft drive to transmit power, or ...
Tags: Drivetrain, gearing, Bicycle
The great majority of today's bicycles have a frame with upright seating which looks much like the first chain-driven bike. Such upright bicycles almost always feature the diamond frame, a truss consisting of two triangles: the front ...
The bicycle is extraordinarily efficient in both biological and mechanical terms. The bicycle is the most efficient human-powered means of transportation in terms of energy a person must expend to travel a given distance. From a mechanical ...
Tags: Performance, Bicycle
A bicycle stays upright while moving forward by being steered so as to keep its center of mass over the wheels. This steering is usually provided by the rider, but under certain conditions may be provided by the bicycle itself. The ...
The bicycle has undergone continual adaptation and improvement since its inception. These innovations have continued with the advent of modern materials and computer-aided design, allowing for a proliferation of specialized bicycle types. ...
Bicycles have been and are employed for many uses: Utility: transportation, bicycle commuting, and utility cycling Work: mail delivery, paramedics, police, couriering, and general delivery. Recreation: bicycle touring, mountain ...
A bicycle, often called a bike (and sometimes referred to as a "pushbike", "pedal bike", "pedal cycle", or "cycle"), is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A ...
A historic settlement announced today with the Kerr-McGee Corporation and certain of its affiliates (“New Kerr-McGee”), and their parent Anadarko Petroleum Corporation will greatly benefit environmental cleanups at the Welsbach ...
Tags: environmental cleanups, certification, EPA
Automobili Lamborghini is celebrating its 50th birthday with the limited edition Lamborghini Aventador LP 720-4 50° Anniversario revealed at this year's 2-13 Shanghai Auto Show. Just 100 units worldwide of the numbered and more ...
Tags: Auto, Transportation
Gary Cook, co-founder along with Craig Cook of Cook Bros. Racing, has died at age 74. The brothers were inducted into the BMX Hall of Fame and the Mountain Bike Hall Hall of Fame for their pioneering efforts in designing and manufacturing ...
Tags: Mountain Bike, bike, Transportation
Planet Bike's updated Blaze 2 watt Micro headlight has a more compact case, longer run times, three color options and a lower price than the original. It shares the original's high/low settings and Superflash strobe feature. The light's ...
Tags: Transportation, bike
People are now following the slogan - ‘go green’. Environmental hazards and degradation has taken place at incredible rates, which is leading towards the depletion of our atmosphere. For decades we did ...
Paceline Products Inc. announced Thursday that it will be distributing the HeadsUp Systems Wireless Gear Alert System, which warns drivers before they smash their roof racks into garage doors. The $169 system includes an LED alert sign ...
Tags: Paceline Products, roof racks, garage doors