Inboard brake system for a straddle-type all-terrain vehicle

An all-terrain vehicle comprising:

• a. a frame;
• b. at least four wheels supporting the frame, including a rear pair of wheels mounted on a rear wheel axle and a front pair of wheels mounted on an articulated front wheel axle including a first half shaft and a second half shaft, each wheel including a low pressure balloon tire;
• c. a straddle seat mounted on the frame for supporting a rider;
• d. a handlebar disposed on the frame and operatively connected to at least one of the wheels for steering the vehicle;
• e. an engine disposed on the frame and operatively connected to at least one of the wheels to propel the vehicle;
• f. a front drive shaft operatively interconnecting the engine with a front differential, each half shaft of the front wheel axle being operatively connected to the front differential and including a joint proximate the front differential;
• g. a first front brake disk disposed on the joint of the first half shaft and a second front brake disposed on the joint of the second half shaft;
• h. a rear gear case operatively connected to the rear wheel axle;
• i. a rear drive shaft operatively interconnecting the engine with the rear gear case;
• and
• j. an uncovered rear brake disk associated with the rear drive shaft disposed between the engine and the rear wheel axle.