APOLLO APOLLO DB-X4 RFZ 110CC RACING DIRT BIKE, 4 STROKE AIR COOLED, SINGLE CYLINDER - FULLY ASSEMBLED AND TESTED APOLLO DB-X4 RFZ 110CC RACING DIRT BIKE, 4 STROKE AIR COOLED, SINGLE CYLINDER - FULLY ASSEMBLED AND TESTED At Tao atv, we specialize in everything motorized that goes off-road. Were a licensed dealer with years of experience and thousands of... $1,112.00 Choose Options Add to Wish list Compare