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(For example: a bike helmet label stating "head girth: 56–60 cm" or shoes labeled "foot length: 280 mm") Product dimensions The label states characteristic dimensions of the product. (For example: a jeans label stating the inner leg length of the jeans in centimeters or inches, but not the inner leg measurement of the intended wearer)
EN 1078 specifies requirements and test methods for bicycle helmets, skateboard and roller skate helmets. It covers helmet construction including field of vision, shock absorbing properties, retention system properties including chin strap and fastening devices, as well as marking and information. [3] The standard's key features are: [1]
Full-face helmets offer much more protection than open-face helmets. [16] Several manufacturers have introduced full-face helmets with a flip-up front, combining the protection of a full-face with the ease of communication and donning or doffing that an open-face gives. [15]: 50 Studies have consistently shown that wearing a helmet: [17] [18]
Cycle helmet. Add languages. Add links. Article; Talk; English. ... Download QR code; Print/export Download as PDF; Printable version; In other projects
Helmets use varies greatly between populations and between groups. Downhill mountain bikers and amateur sportive cyclists normally wear helmets, [15] and helmet use is enforced in professional cycle sport and in a few legal jurisdictions. Utility cyclists and children are much less likely to wear helmets unless compelled.
Trail can vary as the bike leans or steers. In the case of traditional geometry, trail decreases (and wheelbase increases if measuring distance between ground contact points and not hubs) as the bike leans and steers in the direction of the lean. [17] Trail can also vary as the suspension activates, in response to braking for example.
By law, all helmets sold in the U.S. must meet standards set by the Consumer Products Safety Commission (CPSC). [5] There were two helmet recalls in the year 2000. [1] A helmet made by Rand International of Farmingdale, NY was voluntarily recalled and involved 70,000 helmets known as "L.A. Cruisin' Bike Helmets" in child, youth and adult sizes. [1]
Motorcycle testing and measurement includes a range of more than two dozen statistics giving the specifications of the motorcycle, and the actual performance, expressed by such things as the output of the engine, and the top speed or acceleration of the motorcycle. Most parameters are uncontroversial and claims made by manufacturers are ...