Old Grandad displays a mummified head between its monkey bars. 모든 자전거는 터무니없이 긴 포크와 터무니없이 작은 바퀴로 균형과 중력을 거스르고 있습니다. But the men and women of Chunk ride them fearlessly, jousting, racing, and ramming them into one another again and again.