The Super Grip Wheels are made for teams who want to maximize their drivetrains. The Super Grip Wheels are manufactured out of ABS Plastic, tough1500, Urethane, and Steel. Gen 3 rollers now with improved core and increased urethane durability and longevity Advantages: Increased traction Bearing supported rollers Direct mount pulleys & gears Weight savings Space efficient No sus e-clips Approximate Weight: 97g This product includes the Super Grip Rollers The Super Grip Rollers show up to 57% more traction compared to leading competitors. For maximum performance, we recommend cleaning the rollers with 70% IPA wipes every 1-2 matches but that is not required The Wheel are recommended for max weight of 11.36kg (25lbs) due to tile sink *Rollers are expected to last up to 1 competition season. Roller replacements are available The Super Grip Wheels are made in the USA Cad model: BSRKR Supergrip 70mm Mecanum Wheel | BB supergrip 70MM