Serpent introduces 2 lightweight performance options for the 2013 Worlds winning Viper 977.
903599 Solid axle RR light
An extra light solid rear axle to reduce weight and thus rotational mass. Precision made in hardened Serpent springsteel. Direct replacement.
903607 2-speed axle SL8 light
A lightweight, hollow 2-speed shaft, also in hardened, rectified, balanced and grinded Serpent spring steel. 2 flat spots to ensure a better surface for the pulley adaptor grubscrews.
More optionals for the Viper 977: