As already mentioned, the terrain in this part of khao Yai Thiang is not very sreep so a full-sus-pension bike with five to six inches of travel would be best. Of course, that doesn't mean you can'tride them on a heavire downhill rig or a hard-tail. just bring your favourite bike and sufficentprotective gear to make sure your fun will not be ruined by injury. Apart from a helmet, I recom-mend you also at leasr wear knee guards just in case. Some of those rock gardens are pretty nasty