Mountain Bike Parts

Bike trials is a form of mountain biking derived from motorcycle trials. The rider negotiates man-made and natural obstacles without their feet touching the ground. It originated in Spain and is said to have been invented by Ot Pi’s father (a world champion motorcycle trials rider). more...

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As it is hard for small children to control motorcycle trials bikes, he had wanted his son to learn and to practice motorcycle trials on an ordinary push bike instead of a motorbike.

At the most basic level, trials riding can be summed up as bicycle handling skills. It evolved from motorcycle trial riding (riding up, over obstacles, man-made or natural) into an off-season bicycle pastime. It now has a strong — though small — following, and can be seen worldwide. Skills taken from trials riding can be used practically on any bicycle for balance, for example controlled braking and track standing, or balancing on the bike without putting a foot down. Trial bike characteristics include, but are not limited to: powerful brakes, wide handlebars, light parts, low gearing, a thick rear tire that provides grip, a heavy emphasis on frame geometry, and no seat.

It is completely different from individual time trial races, which are an element of road bicycle racing.

Rules

The general principle in a bike trials competition is to ride a number of pre-marked sections (usually 2 laps of 10 sections or 3 laps of 7 sections), the winner being the rider with the least points at the end of the competition.

Currently there are two official types of competition rules, enforced by the UCI and BikeTrial International Union.

The maximum number of points that can be obtained in each section is 5, the lowest (and best) score is 0 points or ‘clean’. The most common way to gain a point is by putting a foot down within a section; for this reason points are sometimes known as ‘dabs’. Certain rules enforce the number of points gained within a section, for example, putting both feet down will result in 5 points. Exceeding the time limit for the course will either result in 5 points (BIU rules) or an additional point for every 15 seconds over the limit (UCI rules).

UCI

Within UCI rules, if any part of the bike except the tires touch any object in the course, a dab will be given. The UCI rules were changed to this format after too many competitions ended in a draw and riders were forced to ride an extra section. UCI rules also allows riders to compete in both mod and stock categories.

When a rider is in a section, neither tire is allowed to cross the side boundary tape even if the wheel is in the air. The rider’s hands must remain on the handlebars. Riders in the 26″ class must also have six working gears.

The UCI Mountain Bike & Trials World Championships are held annually and crown a 20-inch and 26-inch wheel trials world champion.

Read more at Wikipedia.org