Lower tire pressures provide more traction in mud, sand, and snow. For use on firmer surfaces, tire pressures may be increased depending upon the weight of the user, their preferences, and their driving capability. The range of the wheelchair improves with higher pressures. Please refer to your owner's manual for further information.
My local mechanic thinks my tire pressures should be higher so I can move easily from on to off-road. Tire pressures should be adjusted according to the terrain you are driving on, and there is no such thing as the "right" tire pressure for either on or off-road. When on pavement, a higher tire pressure is better, as the chair will get improved range and similar comfort. If the tire pressure is too high for off-road, it may cause damage to the steering or bearings, and the off-road capability will be significantly reduced. If possible, set the pressure according to the conditions and before you go off-road, reduce the tire pressures. This way, you won't cause any harm if you drive it on the road until you reinflate the tires. We strongly recommend you refer to the owner's manual and don't exceed the pressure ratings in the graphs.
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