Version 2 gearbox shell with bearings.
The ULTIMATE® Upgrade Series gearbox shell is cast in high-strength casting materials to ensure the box is able to endure the extra stress an upgrade will put on the box. The gearbox are equipped with taps controlling the lining of the case preventing the box from twisting under the stress.
Unique serial numbers
High strength hex-screws
High performance 8mm steel bearings
ULTIMATE® selector plate
Low friction chromium plating