Serpent SER804367 2-speed set SL6 XLI  [SER804367]

The Serpent 748, Michael Salven also designed a lighter gearbox, to achieve lower inertia. Xli, for eXtra Minimal Interia.

The adaptor, shoes and bell are reduced in size and thus have reduced mass, which gives better acceleration overall.

The well proven 2-speed gears remain just like prior to.

Current 748 Natrix and 747 racers can easily update to this new Xli SL6 gearbox.