Boom Racing Complete Rear Assembled BRX90 PHAT™ Axle Set w/ AR44 HD Gears

Regular price $100.00

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  • The PHAT axle is the go-to scale truck axle combining high performance features with precision made scale realism. Based on the BRX70 PHAT Axle, the all-new BRX90 PHAT Axle is packed with lots of exciting solid axle features. It is an ultra scale, heavy-duty axle set designed for top performance in custom R/C builds.

    What stands out immediately when you pick up a set of BRX90 axle is the weight. The axle weighs 220g. The heavy weight helps to keep the vehicle planted to the ground at all times.

    • PHAT axle 220grams total weight
    • Keyed HD AR44 Helical Bevel Gear Set. Bevel gears are keyed for extra durability and strength. Standard AR44 high pinion gear & input shaft
    • High pinion axle setup for better clearance
    • Removable third member with reversible axle bevel gear positions for standard or counter rotation setups (swap gear to opposite side for counter rotation center drivetrain setup)
    • CNC aluminum axle truss for linked setup (remove truss for leaf spring option for ultimate scale look)
    • Cast splined axle housing
    • CNC aluminum lockouts with splines
    • Leaf spring slots are ready for over or under the axle housing setup (optional)
    • BADASS HD steel rear drive shaft for ultimate durability and strength for the axle drivetrain

    • 176mm / 6.93 inch pin to pin (front and rear)

    • 1x BRX90 Rear PHAT Axle Housing
    • 1x AR44 Heavy Duty Keyed Helical Bevel Gear & Input Shaft (30/8T) BR955020
    • 2x CNC aluminum lockouts
    • 2x BRX90 BADASS Heavy Duty Rear Steel Driveshafts BRBD9002
    • 1x CNC Aluminum Truss
    • 2x CNC Aluminum Link Mounts with multiple shock position options
    • 2x CNC Aluminum 12mm Hex and Wheel Pins
    • Full set of rubber sealed bearings set for BRX90 Rear axle
    • Hardware


    • For Leaf Spring setup, additional optional parts may/may not be needed depending on your setup. Leafs can be mounted directly on top or under the axle. We recommend
      • Rear Leaf Spring Conversion Kit BRLC7064
      • Steel Leaf Spring Channel w/ Shock Mount for BRX70 / BRX90 Axle (2) BRLC7010

    When you receive the axle:

    Make sure all of the screws are tightened properly.

    The gear positions are factory setup and should be ready to go. Rotate the drivetrain by hand for physical inspection.

    Install spacers accordingly between the center driveshaft and the input shaft to prevent input shaft from unnecessary slop.

  • Package total weight: 300.00 grams (incl. packaging)
  • Factory description: Boom Racing Complete Rear Assembled BRX90 PHAT Axle Set w/ AR44 HD Gears
  • Manufactured by Boom Racing
  • Manufacturer number: BRD9023