What Our Gearhead® Experts Are Saying:"I’ve used the Big Betty with Double Defense Addix in 29x2. 4in on technical downhill trails, and it delivers outstanding grip and control. The robust Double Defense construction adds puncture protection, while the aggressive tread handles loose and damp terrain with ease."Big Betty is built for riders who thrive on technical downhill and enduro terrain. Equipped with Double Defense Addix technology, this tire is designed to take on challenging conditions with exceptional grip, braking control, and cornering stability. Its open, aggressive tread excels at shedding mud and gripping uneven surfaces, while the Double Defense construction offers a balance of puncture protection and durability. Whether we’re descending steep rocky sections or navigating damp, loose trails, Big Betty keeps us in control and focused on the ride.