Hot Racing Arrma Limitless V1 S2 Spring Steel Speed Run Spool Shaft


Only 1 left in stock

SKU: HRAAOR25T2 Categories: ,


Hot Racing Speed Run Center Differential Spool Hub for 1/7 Arrma Limitless Roller


  • One (1) S2 Steel Spool Shaft


  • Heavy Duty Construction: CNC machined from S2 spring steel for extreme durability.
  • CNC Aluminum Pin Capture Rings: Ensures secure and precise assembly.
  • Ultimate Speed Run Acceleration: Designed for maximum acceleration without needing thread lock for the screw shaft.


  • Compatibility: This spool hub is designed to convert many Arrma 1/8 vehicles into a speed run demon. Specifically, it fits only the center differential and does not fit the front or rear differentials.
  • Required Additional Parts:
    • AR310432: Input Shaft Cup 7x18mm
    • ARA310951: 39T MOD1 Spool Gear 8mm Bore
  • Replaces: Stock Arrma ARA310943 Spool Shaft

Compatible Models:

  • Limitless (V1): ARA109011

The vehicle part number can be found on Arrma’s website, in the literature that came with the vehicle, or on the vehicle box near the barcode.

Additional information


Brand New – Retail Packaging