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A 2008 Specialized Stumpjumper with full suspension A 2008 Specialized S-Works Transition carbon triathlon/time trial bike In 1995, Specialized launched the Full Force brand. [ 13 ] Full Force was a lower-end mountain bike brand sold through sporting goods stores and discount retailers such as Costco . [ 5 ]
The first commercially successful electronic gear shift system for road bicycles was introduced by Shimano in 2009, the Di2. [3] Three professional teams used the Di2 in the 2009 Tour of California: Columbia High Road, Garmin Slipstream, and Rabobank; [3] and several teams and riders, including George Hincapie, used it during the 2009 Tour de ...
ISO 5775 is an international standard for labeling the size of bicycle tires and rims. The system used was originally developed by the European Tyre and Rim Technical Organisation (ETRTO). It is designed to make tire sizing consistent and clear. It replaces overlapping informal systems that ambiguously distinguished between sizes.
This is equivalent to doubling the size of the drive wheel; that is, it is like a directly driven bicycle with a 52-inch wheel. That gear is said to be "52 gear inches." A bicycle with a 26-inch wheel, a 48-tooth chainring, and a cassette with gears ranging from 11 to 34 teeth has a lowest gear of 26 × 48 / 34 = 37 gear inches and a highest ...
Electric bicycle usage can have several health benefits and rider safety can be improved through the use of a helmet. E-bike use was shown to increase the amount of physical activity. E-bike users in seven European cities had 10% higher weekly energy expenditure than other cyclists because they cycled longer trips. [53]
A bicycle with an aftermarket hub-motor in the front wheel. An electric bicycle is a conventional bicycle that has been fitted with an electric motor. Most often electric bicycles or e-bikes are powered by rechargeable batteries however some experimental electric bicycles run directly on or recharge their batteries via solar panels, fuel cells ...
Gravel bicycle frames also use characteristics of both cyclocross and road bikes for better comfort on long rides and the wheel clearance to accommodate rides done in torrential conditions. [1] Cyclo-cross bike (also known as "cross bike"): A road bicycle frame similar to a racing or sport/touring bicycle, but with more slack geometry, wider ...
Only the Chinese market for pedelecs and e-bikes is bigger than the European. According to the National Bureau of Statistics in China, more than 100 million e-bikes are on the road. Annual production in Chinese factories has increased from 58,000 in 1998 to 33 million in 2011. A pedelec classification separate from an e-bike is not known in China.