Hot Racing Aluminum Extended Differential Hub Spool: AX10/SCX10 (20mm)

This is the optional extended one side 20 mm differential spool for the AX10 SCX10
This is located in the center differential. This part is recommended for rock crawler.

Black steel shaft and 6061 aluminum gear hub construction
Orange and black in color
(Hot Racing uses precision center-less grinding on these shafts to give you a degree of refinement with which no other kind of operation can match.
These shafts give you a precision fit and hardness for longevity. )

One steel out-drive shaft
one aluminum gear adapter
two shim washers
one aluminum spacer

Assembly onto AX10 or SCX10 (with stock screws and gear)