Knobby Tire Ride and Roll to benefit Empower Spinal Cord Injury

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Trying out a Wheelchair Hoverboard is Empower volunteer Brenna Bean 26 of Whately, Ma., at the 4th annual Knobby Tire Ride and Roll event at Great Brook Farm State Park in Carlisle. SUN/David H. Brow

KnobbyTire CAR