Exotek 2143 - Asso RB10 - Direct Spur Mount

Machined alloy unit that weighs only 3.4gr with the screws.

Uses a wider range of available spur gear sizes by Exotek, Kimbrough, etc.

Allows for easy switching between a locked spur or the stock slipper as track conditions warrant.

Uses the stock top shaft.

Some compatible spur gears: 

• Kimbrough
• KIM164 77T
• KIM145 78T
• KIM146 81T
• AND MORE.....

• Exotek
• 1545 75 tooth 
• 1546 78 tooth
• 1987 81 tooth
• 1988 84 tooth