Arrowmax AM-910003 AM Medius MID Conversion Kit Track Edition  [AM-910003]

Arrowmax AM-910003 AM Medius Yokomo BD9 MID Conversion Kit
Price:
£134.31
Brand:
Arrowmax
Model:
AM-910003
Condition:
Brand New
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Track-Focused Mid-Motor Conversion for Yokomo BD9

The Arrowmax AM-910003 AM Medius MID Conversion Kit converts a Yokomo BD9 to a mid-motor setup to improve cornering precision and traction. Centralising the motor helps the car rotate more naturally and offers a more predictable handling window at speed.

Choose Your Chassis Stiffness

The kit offers two chassis variants to suit different track demands. A 2.25mm carbon fibre chassis delivers a lightweight, stiff platform, while the 2.0mm alloy option provides extra resilience. Both variants include a 2.0mm carbon fibre upper deck to preserve overall structure and handling consistency.

Robust Components for Consistent Performance

Included is a 7075 alloy single-piece motor mount that gives secure motor support and reduced vibration. The redesigned 7075 centre pulleys enhance power transfer, helping acceleration and top speed. A chassis stiffener is supplied to let drivers tune flex for specific grip levels.

Specifications

  • Chassis Material: 2.25mm carbon fibre / 2.0mm alloy
  • Upper Deck Material: 2.0mm carbon fibre
  • Motor Mount: 7075 alloy single-piece
  • Center Pulleys: Redesigned 7075 alloy

The Arrowmax AM-910003 conversion suits Yokomo BD9 owners aiming for refined handling and drivetrain efficiency, providing clear upgrade paths and setup options for competitive driving.

A mid-motor layout changes load distribution through the tyres; you may see different wear patterns and might need to adjust camber and toe to optimise tyre life.
Many hop-ups remain compatible but check clearances for parts near the motor and pulleys. Some components may require repositioning to work with the mid-motor layout.
Adjusting chassis stiffener position, battery placement and differential setup usually yields the most noticeable improvements after conversion, depending on track surface and driving style.

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