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Threshold braking or limit braking is a driving technique most commonly used not only in motor racing, but also practiced in road vehicles to slow a vehicle at the maximum rate using the brakes. [1] The technique involves the driver controlling the brake pedal (or lever) pressure to maximize the braking force developed by the tires .
Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels. Most also include some type of a mechanism to convert speed and torque via gear ratios .
The fitness and cadence of the rider, bicycle tire pressure and sizes, gear ratios, slope of the terrain affect the overall speed of the rider. A person pedalling with 100 W power can achieve 5.5 m/s on a roadster, 7.5 m/s on a racing bicycle, 10 m/s with a faired HPV and 14 m/s with an ultimate HPV.
U-brake on a freestyle BMX bike. U-brakes (also known by the trademarked term 990-style) are essentially the same design as the centre-pull caliper brake. The difference is that the two arm pivots attach directly to the frame or fork while those of the centre-pull caliper brake attach to an integral bridge frame that mounts to the frame or fork ...
Contrary to how the wheels on cars and trains react collectively to brakes when applied, on motorcycles the rear wheel brake and front wheel brake are controlled separately. If the rider only brakes with one wheel, this braked wheel tends to lock up faster than if both brakes had been applied.
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Cadence braking or stutter braking is a driving technique that involves pumping the brake pedal and is used to allow a car to both steer and brake on a slippery surface. It is used to effect an emergency stop where traction is limited to reduce the effect of skidding from road wheels locking up under braking. This can be a particular problem ...
Cadence can be measured via various types of sensors, for example a simple reed switch and a magnet which detects one revolution each time the crank arm passes a point on the frame, or more advanced sensors based on a force sensor (e.g. pedals), torque sensor (e.g. crank arms) or other types of cycling power sensors.