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  1. Drivetrain & Gears
  2. Drivetrain
  3. Complete Axle

Complete Front Assembled BRX70 PHAT™ Axle Set w/ AR44 HD Gears

USD $145.00

Part #: BRLC7022


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Complete Front Assembled BRX70 PHAT™ Axle Set w/ AR44 HD Gears

USD $145.00

Part #: BRLC7022

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Tagged Keywords Complete AxleBRX01 PartsPhat Axle PartsUpgrade Lovers

PRODUCT DESCRIPTION

Product Resources
instruction-manual-brx70-front-phat-axle-complete-set-brlc7022-20221117_1668675980.pdf

Boom Racing brings you a new and exciting product - Complete Assembled BRX70 Scale PHAT Axle Set.

The BRX70 axle is Boom Racing's new narrow axle. Packed with many desirable solid axle features; heavy weight for low CG, reversible axle bevel gear positions, leaf spring over and under axle (optional), chassis-mounted or axle mounted servo (optional), behind-the-axle steering (optional), detachable aluminum CNC truss, adjustable caster angle. It uses the widely available AR44 axle gear, input shaft, and AR44 knuckles.

This is a performance-based, heavy, and narrow axle set designed for performance-based scale RC builds. Use this axle as a base for any custom builds.

Includes red color Diff Cover; optional Black color Diff Cover is available here.

Includes black color Third Member (fits Reverse AR44 Helical Cut Bevel Gear for running Counter Rotating Center Drive Shafts usually used in the rear axle). Note red color Third Member will not fit Reverse AR44 gear.

BRX70 front axle is slightly wider than the BRX70 rear axle. This provides better steering performance and stability for the chassis.

Size:

  • 148.5mm pin-to-pin (5.846 inches)

Features:

  • Narrow axle for super scale builds
  • PHAT axle (heavy and strong)
  • 260 grams total weight
  • Reversible axle gear in the housing (swap gear to opposite side for counter rotation center drivetrain setup)
  • Standard AR44 high pinion gear & input shaft
  • High pinion axle setup for better clearance
  • Chassis Mounted Servo (CMS) AND Axle Mounted Servo (AMS) setup option
  • Detachable knuckle lever for Behind-The-Axle steering setup option
  • Standard AR44 knuckle arms are compatible
  • Leaf spring over and under the axle housing option
  • CNC aluminum truss included for 3-Link and 4-Link setup option
  • Adjustable caster angle for additional steering adjustability
  • BADASS HD Steel universal shaft for ultimate durability and strength for the axle drivetrain
  • High steering angle you won't believe its true - over 45 degrees
  • Removable third member for 6x6 pass-thru option
  • Third member high pinion angle for better clearance
  • Counter rotation stainless steel tie rod steering link for quick adjustments
  • Option to lengthen the axle width with longer c-hubs and universal axle shafts

Includes:

  • 1x PHAT Axle Housing
  • 1x AR44 Heavy Duty Keyed Helical Bevel Gear & Input Shaft (30/8T) #BR955020
  • 2x CNC aluminum knuckles (AR44 compatible)
  • 2x CNC aluminum C-Hubs
  • 2x BADASS Heavy Duty Steel Universal Driveshafts
  • 1x CNC Aluminum Truss
  • 1x 4mm Stainless Steel Tie Rod Steering Link
  • 2x 4mm Aluminum Drag link Steering Link
  • 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 BRX70/80/90 axle #PHAT7890BBZ
  • Full set of BADASS Rod Ends w/ Stainless Steel Pivot Balls
  • Hardware

You will need:

  • For Axle Mounted Servo setup, the optional BRX70 aluminum servo mount is needed.
  • For Chassis Mounted Servo setup, a panhard link is needed (as almost every car has a different setup, we leave this part up to you).
  • For Leaf Spring setup, additional optional parts may/may not be needed depending on your setup. Leafs can be mounted directly on top and under the axle.

When you receive the axle:

Make sure to grease up the axle set. You can fill up the empty space with diff grease surrounding the bevel gear and input shaft.

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.

To setup this BRX70 front axle similar to the BRX01 stock axles, these two parts are:
  • Steel Leaf Spring Channel w/ Shock Mount for BRX70 / BRX90 Axle (2) BRLC7002/B
  • Aluminum Knuckle Arm (Low Profile) for BRX70 / BRX90 Knuckle (2) BRLC7010

Options:
  • Front Skid Plate for BRX70 PHAT Axle BRLC7086F
  • XT Diff Cover for BRX70 & BRX90 Axle BRLC7088
  • Classic Diff Cover for BRX70 / BRX90 PHAT Axle Black BRLC7026
  • Behind-the-axle setup requires: #BRLC7002/A / #BRLC7002/B / #BRLC7010 / #BRASSPD427/N

Replacement:
  • Brass bushings: BRLC7022A

Reviews (13)

Overall:
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Performance:

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