If you plan on hard riding, the Bullet Skis are made of the same material used in bullet-proof windows, and will not break under "normal" sledding conditions. The Bullet Skis are made of a polycarbonate and are as fast as the standard HDPE skis that come with the sled on most snow conditions. You may wax the Bullet Skis. Set of two. Replacement instructions included. Burnt Yellow.
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