Exotek Racing XB2 Direct Spur Hub Mount

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This is an optional Exotek XRAY XB2 Direct Spur Hub. This spur mount eliminates the slipper clutch, and is a great option for stock class racing with your XB2. At a mere 3.4 grams, it is lighter for increased acceleration and a cooler running motor, and is compatible with both Exotek and Kimbrough spur gears for increased gear ratio options! Plus, it is easy to switch back to the slipper setup when conditions call for it. 

Includes 3x5mm hardware for Kimbrough spurs. For Exotek spurs use 3x6mm alloy or titanium screws (not included) for even greater weight savings.

NOTE: Not compatible with Avid, Schelle or similar aftermarket top shafts.

Compatible Spur Gears:

  • Kimbrough
    • KIM301 66 tooth
    • KIM150 69 tooth
    • KIM143 72 tooth
    • KIM161 73 tooth
    • KIM162 74 tooth
  • Exotek
    • EXO1543 66 tooth
    • EXO1544 69 tooth
    • EXO1590 72 tooth
    • EXO1545 75 tooth
    • EXO1546 78 tooth

This product was added to our catalog on February 23, 2016.

michael rutan
Friday, Mar 4 2016 (9 months ago)
Exotek Racing XB2 Direct Spur Hub Mount
perfect fit and seemed to work quite well for me. was able to get 69t spur to use for my 17.5