29er (bicycle) used were forks designed for trekking bikes or hybrids. For many years, 29" frames and bikes were usually only available from small little-known manufactures like Niner Bikes. Surly Bikes introduced their 29" frameset, the Karate Monkey, in 2002. Gary Fisher Bicycles, a division of Trek Bicycles, became the first of the major manufactures to offer a line of 29" bikes. Their lines never sold well until the introduction of single-speed 29" bike the Rig, in 2004. Today, most bicycle manufacturers in the US market offer at least one 29" bicycle or frame. Even companies that openly dismissed 29" as a
Bicycle helmet laws by country Poland but it was opposed by cyclists' organisations. Bicycle helmet laws by country The wearing of bicycle helmets, and attitudes towards their use vary around the world. Compulsory use of helmets has often been proposed and is the subject of much dispute (see Bicycle helmet laws), based largely on considerations of overall public health. Only two countries (Australia and New Zealand) currently require and enforce universal use of helmets by cyclists. In some other jurisdictions, partial rules apply - for children, in certain states or sub-national areas, or under other limited conditions. Denmark and the Netherlands have a strong cycling