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Off-road cycle tires, colloquially called knobbies, [4] may be found on motocross and enduro motorcycles, ATVs, and mountain bikes. [1] Tires for single-track vehicles and ATVs have a curved profile such that some tread only contacts the ground during turning. Depending on the model of tire, an off-road capable tire may or may not be approved ...
As the early motorcycle industry progressed, larger tyre sizes accompanied larger engine displacements, so that by 1909–1914, 2 + 1 ⁄ 4 in (57 mm) section, 26 in (660 mm) diameter tyres were used on 250 to 350 cc (15 to 21 cu in) motorcycles, and 2 + 3 ⁄ 8 to 2 + 1 ⁄ 2 in (60 to 64 mm) section tyres appeared on motorcycles with ...
An all-terrain vehicle (ATV), also known as a light utility vehicle (LUV), [1] a quad bike or quad (if it has four wheels), as defined by the American National Standards Institute (ANSI), is a vehicle that travels on low-pressure tires, has a seat that is straddled by the operator, and has handlebars, similar to a motorcycle. As the name ...
US Navy motorcycle training at Imperial Beach. Motorcycle safety is the study of the risks and dangers of motorcycling, and the approaches to mitigate that risk, focusing on motorcycle design, road design and traffic rules, rider training, and the cultural attitudes of motorcyclists and other road users.
Motorcycle crash into a car A motorcycle from 1955 One problem, even in non-fatal accidents, is that the groin area can collide with the gas tank, damaging a rider's testicles. [ 15 ] By 2014 a rear-ending occurred every 17 seconds on the US road system, and improvements to cars especially in regards to headrests have reduced whiplash and other ...
In January 2003, Cannondale Motorsports filed bankruptcy and ATK Motorcycles acquired all remaining inventory. [16] [17] While the initial Cannondale motorcycle was considered a failure (and often appears on lists of the worst off-road motorcycles ever produced [18]), the Cannondale FX400 ATV was more positively received due to its chassis. [19]
With power typically being the product of force and speed, a motorcycle's power and torque ratings will be highly indicative of its performance. Reported numbers for power and torque may however vary from one source to another due to inconsistencies in how testing equipment is calibrated, the method of using that equipment, the conditions during the test, and particularly the location that ...
The RMX was Rupp's first machine powered by a Sachs engine. RST – The RST100 was one of Rupp's last two dirt bikes sold in 1975. It was blue in color, similar to the L100 and was also powered by a 100cc Fuji engine. MX – The MX80 was the smaller of the last two Rupp dirt bikes. It used the same 2-cycle 80cc Fuji that was used in the 1972 RMT80.