Serpent SER903360 2-speed Gearbox SL8 Upgrade  [SER903360]

2-speed gearbox SL8 upgrade set. All new superlight 2-speed gearbox for 966, with lowest inertia, 8mm shaft, improved gears and oneway.

Stronger engines, research, racing and new insights fueled the new gearbox design. Goals were to reduce inertia, fluent power transfer and increase reliability even further.

Features:

• Aluminum brake-pulley adaptor with 3 steel pins ( requires new brake-disk which is also included)
• 8x14x4mm bearings in 2-speed brackets seated in delrin bushings
• much lighter and smaller spring-steel 2-speed adaptor
• 8mm solid spring-steel shaft , one-way bearing runs directly on shaft
• new aluminum bell, stiffer, thicker to stand forces of shoes better, bearing in center to create even forces on the bearing, special grade aluminium material to offer best ?grip? for the 2-speed shoes. -
• new aluminum flange which seats the German made one-way bearing, lighter and the bearing is seated more in the inside of the flange for better balance
• new shape 2-speed gears, lighter, more durable, improved gearmesh, optimized module, 2nd gear 48/49 and 50T
• new mono-type side pulley/pully-adaptor

Needs V2 type rear 2-speed shaft brackets to be mounted correctly. These are standard in 966 and evo for longer time already. Same clutch and pinions-gears may be used.