Quick view Wishlist BMS MOTOR BMS PRO-X 125 DIRT BIKE, 125CC 4 SPEED MANUAL ENGINE $1,299.00 BMS PRO-X 125 DIRT BIKE, 125CC 4 SPEED MANUAL ENGINE The BMS® PRO-X 125 is the most compact and lightweight of the mid-size bikes. Powered by 123.67cc Engine with 4 speed transmission, long travel suspension, 14x17 track and Anodized Aluminum... Choose Options Compare