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2. ECE Regulation 90 - Wikipedia

   en.wikipedia.org/wiki/ECE_Regulation_90

   For the tests the vehicle brake for which the replacement linings are designed is installed in an inertia dynamometer instrumented for continuous recording of rotative speed, brake torque, brake line pressure, number of rotations after brake application, braking time, and brake rotor temperature.

3. Bicycle brake - Wikipedia

   en.wikipedia.org/wiki/Bicycle_brake

   Larger rotors provide greater braking torque for a given pad pressure, by virtue of a longer moment arm for the caliper to act on. Smaller rotors provide less braking torque but also less weight and better protection from knocks. Larger rotors dissipate heat more quickly and have a larger amount of mass to absorb heat, reducing brake fade or ...

4. Disc brake - Wikipedia

   en.wikipedia.org/wiki/Disc_brake

   On automobiles, disc brakes are often located within the wheel A drilled motorcycle brake disc. The development of disc-type brakes began in England in the 1890s. In 1902, the Lanchester Motor Company designed brakes that looked and operated similarly to a modern disc-brake system even though the disc was thin and a cable activated the brake pad. [4]

5. Detangler - Wikipedia

   en.wikipedia.org/wiki/Detangler

   The single cable from the handlebar's rear brake lever divides into two cables which are routed to opposite sides of the stem or fork steer tube and into cable stops. The inner cables connect to metal tabs on a disc attached to the upper side of a thrust bearing placed around the stem or steer tube.

6. Rotating unbalance - Wikipedia

   en.wikipedia.org/wiki/Rotating_unbalance

   A static balance (sometimes called a force balance [2] [3]) occurs when the inertial axis of a rotating mass is displaced from and parallel to the axis of rotation.Static unbalances can occur more frequently in disk-shaped rotors because the thin geometric profile of the disk allows for an uneven distribution of mass with an inertial axis that is nearly parallel to the axis of rotation.

7. The 10 Best Cheap E-Bikes, Determined By Our Testing and ...

   www.aol.com/9-best-cheap-e-bikes-154400410.html

   These are the 10 best cheap e-bikes—including fat tire, city, urban, folding, and ones that can reach 28 mph—costing $2,000 or less that you can buy right now.