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INJORA 4M-104BKFR +5mm Diamond Portal Axles Lay Down Servo TRX-4M Black

INJORA 4M-104BKFR +5mm Diamond Portal Axles with Lay Down Servo Mount (Black)

Upgrade your Traxxas TRX-4M with the genuine INJORA 4M-104BKFR Diamond Portal Axle Set. This complete front and rear axle assembly features CNC-machined aluminum housings, hardened steel CVD shafts, and a servo-on-axle lay down servo mount for improved steering geometry and increased ground clearance. The +5mm widened design provides enhanced stability, better climbing performance, and an aggressive black anodized finish.

Features:

  • Genuine INJORA performance upgrade
  • Part Number: 4M-104BKFR (INJ4M-104BKFR)
  • Color: Black
  • Complete front and rear diamond portal axle assemblies
  • CNC-machined aluminum axle housings
  • Servo-on-axle lay down servo mount
  • +5mm width per side (+10mm overall track width)
  • Hardened steel CVD front axle shafts
  • 20CrMo hardened steel gears
  • Pre-assembled for easy installation (greasing recommended before use)
  • Raises axle pumpkins for increased ground clearance and improved crawling performance.

Specifications:

  • Housing Material: CNC Aluminum
  • Gear Material: 20CrMo Alloy Steel
  • CVD Shaft Material: Hardened Steel
  • Axle Gear Ratio: 24T/12T (Stock Ratio)
  • Portal Gear Ratio: 15T/20T (25% Reduction)
  • Overall Width: 124mm (4.88")
  • Offset: 8.9mm
  • Front Axle Weight: 69g
  • Rear Axle Weight: 53g

Compatibility:

  • Traxxas TRX-4M
  • Compatible with INJORA Universal Chassis
  • Compatible with stock TRX-4M axle gears, chassis links, and driveshafts
  • Compatible with INJORA 7kg (INJS2065), 11kg (INJS11), and other compatible lay-down servos
  • Not compatible with the stock TRX-4M chassis because the lay down servo mount is wider than stock.

Package Includes:

  • (1) Front Diamond Portal Axle Assembly
  • (1) Rear Diamond Portal Axle Assembly
  • Aluminum Steering Links
  • Brass Wheel Hexes
  • Installation Hardware

Condition:

  • Brand New
  • Genuine INJORA Product

Designed for serious trail performance, the INJORA 4M-104BKFR delivers greater ground clearance, stronger drivetrain components, improved stability, and premium scale realism, making it an outstanding upgrade for any TRX-4M crawler build. 

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