A mountain bike fit is the most dynamic of them all. Utilizing the saddle from front to back, shifting your balance to deal with every type of terrain, and having to throw the bike side to side and fore and aft, there is no doubt that your balance over a mountain bike is vital. The correct fit can help with all these things and more. As with all other fits, Retul is essential to the fit process, and finding your best balance on the bike.