Rock crawlers are awesome pieces of kit. They are not only designed to handle rocks but all types of rough terrain. With rock crawling it is not about the speed of the vehicle but about it’s manoeuvrability and power. They can navigate extreme rocky surfaces and uneven ground but do perform best on rocks. Rock crawling is all about fun. When thinking of a new rock crawler you need to consider torque (power). You will need more controlled power and less RPMs and speed. When needing to climb awkward rocky surfaces, lower gear setups help to deliver low speed and steady power. Rock crawling/climbing involves manoeuvring your vehicle over uneven surfaces. This means a lot of turning and twisting. With this comes the need for good steering and soft suspension. Most rock crawlers are 4 wheel drive and 4 wheel steering. This enables the crawler’s wheels to control which direction the vehicle will go in. Four wheel drive also allows the vehicle to walk sideways like a crab or side step. Four wheel steering gives rock crawlers more ability to get over rough terrain and manoeuvre in and around small surfaces. If your RC crawler does not come with 4 wheel steering, it is an easy upgrade to achieve either straight away or at a later date. You will find that more times than not, all your wheels will not be on the ground at the same time. For this reason, locked differentials are a must. If your differentials are not locked, power will not be distributed to the correct wheels. The large tyres on your RC crawler allow for a good ground clearance and also helps to aid stability and chassis damage. Also you will require your weight to be evenly balanced and not all at the rear of the vehicle. If you decide to use your crawler on a smoother surface, you can always change to a narrower tyre to give better traction. Bead-lock rims are very popular as the tyre and rim will not separate easily when going over heavy and rough terrain. Saying this, it is not a necessity and rims and tyres can be easily glued into place. Rock crawlers come in RTR ready to run kits or as a ready built set up.
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