Two 16" front wheels and two 12" rear wheels with enhanced traction effortlessly maneuver over gravel, dirt, grass, mulch, and uneven pavementHeavy-duty, extended-wear disc brake enables quick stopping for unparalleled safetyKnee cushion with suspension is crafted for comfort to reduce potential pressure on shin and kneeFoldable steering column allows for secure, compact storage and transportComplimentary water bottle and custom bottle holder make staying hydrated during travel easy