TRAMPA's 15º Short Mountain Board Deck range uses light weight Skate Trucks to mount the wheels & steer. The Short Deck has huge performance whilst being incredibly light & is intended as the perfect deck option for all skill level Junior Mountainboard riders up to the weight of around 60kg.
Polished Skate Trucks use a 3/8ths of an inch (9.525mm) HOLLOW Axles, whilst the RED & BLUE Powder Coated options use a slightly thicker & stronger 7/16ths of an inch (12mm) Axle. The 12mm Axel's also come with the option of being supplied as either Solid or Hollow Axle! This extra axle size increases strength, whilst the weight is kept to an absolute minimum, benefiting the smallest riders hugely. When compared on a "weight for weight" basis Hollow axles have been proven to be stronger & handle more punishment than solid Axles!!
A Skate Truck is made up of 3 main parts, the Baseplate, the Hanger & these are held together using a vertically mounted Kingpin. The Kingpin pushes through the Baseplate, connecting into the Hanger below. By using Rubber Kingpin Bushings to separate the metal parts, prevents wear on these metal parts whilst allowing movement between them. This rubberised movement in turn creates the steering... Having only a single point to pivot around, means Skate Trucks are very easy to steer whilst the weight of a Skate style deck is kept to an absolute minimum, therefore assisting the newest & smallest of riders tremendously.
Changing the hardness of the rubber in between the metal parts changes the steering resistance & characteristics of the Skate Truck. As you improve you may wish to tighten this nut to increase the steering resistance, BUT do not over-tighten this nut as it may cause your rubber to split. If you need more resistance from your already tight rubbers, then firstly consider changing the rubber to a Harder Urethane or by simply replacing the existing rubbers to new, as ultimately rubber does perish and it does loose some of its performance over time...
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