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Miscellaneous
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This product currently has 17 reviews
Overall Rating:
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Customer Performance Survey:
Customers surveying this product said...
100%"Improves performance"
Currently all feedbacks are left by AsiaTees customers.
- 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.
Features:- 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
Size:- 176mm / 6.93 inch pin to pin (front and rear)
Includes:- 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
Optional:- 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
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.
Replacement:
- Package total weight: 302.00 grams (incl. packaging)
- Package size: 9.00 x 24.00 x 8.00cm
- Factory description: Boom Racing Complete Rear Assembled BRX90 PHAT Axle Set w/ AR44 HD Gears
- Manufactured by Boom Racing
- Manufacturer number: BRD9023
- This item is eligible for in-store promotions
- Nobody beats our price! See our Best Price Guarantee, or your money back!
- Questions about this product? Ask Our Technical Support
- You may Request Additional Product Information for this product.
- Looking for screws / bolts to assemble this product? Email Us
Find something wrong in this description?
Help us fix it! Report An Error
BRX90 Rear Straight PHAT™ Axle (Center Pumpkin) w/ AR44 HD Gears Assembled by Boom Racing
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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.
Features:- 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
Size:- 176mm / 6.93 inch pin to pin (front and rear)
Includes:- 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
Optional:- 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
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.
Replacement:
- Product weight: 302.00 grams
- Package size: 9.00 x 24.00 x 8.00cm
- Factory description: Boom Racing Complete Rear Assembled BRX90 PHAT Axle Set w/ AR44 HD Gears
- Manufactured by Boom Racing
- Manufacturer number: BRD9023
- This item is eligible for in-store promotions
- Nobody beats our price! See our Best Price Guarantee, or your money back!
- Questions about this product? Ask Our Technical Support
- You may Request Additional Product Information for this product.
- Looking for screws / bolts to assemble this product? Email Us
Find something wrong in this description?
Help us fix it! Report An Error
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|---|---|---|---|
| Units at this Price | ATees' Low Price (Per Unit) |
You Save | Click To Order |
This product currently has 17 reviews
Overall Rating:
|
![]() |
Customer Performance Survey:
Customers surveying this product said...
100%"Improves performance"
Currently all feedbacks are left by AsiaTees customers.
The BRX90 Rear Straight PHAT™ Axle (Center Pumpkin) w/ AR44 HD Gears Assembled has an average rating of
stars based on 17 customer reviews.
Boom Racing is a premium RC brand dedicated to scale realism, innovative engineering, and trail-proven performance. Known for the BRX chassis platform and product lines including PHAT™ Axles, ProBuild™ Wheels, KUDU™ Suspension Systems, and officially licensed scale vehicles, Boom Racing develops products that combine authentic scale detail with real-world capability.
Every product is designed with a focus on quality, durability, compatibility, and performance, allowing enthusiasts to build vehicles that look authentic and perform confidently on challenging terrain. From complete vehicle platforms to precision-engineered upgrades and accessories, Boom Racing offers a comprehensive ecosystem for scale RC builders and drivers.
Designed by enthusiasts for enthusiasts, Boom Racing products are trusted by hobbyists around the world who appreciate attention to detail, innovative features, and a commitment to advancing the scale RC experience.
Recent Customer Reviews - 17 Reviews Total 
The BRX90 Rear Straight PHAT™ Axle (Center Pumpkin) w/ AR44 HD Gears Assembled has an average rating of
stars based on 17 customer reviews.
-
342 people found this review helpful January 30, 2023overall
FIT & FINISH
DESIGN
Was this review helpful? Yes -
296 people found this review helpful January 6, 2023overall
FIT & FINISH
DESIGN
Was this review helpful? Yes -
301 people found this review helpful July 27, 2022overall
FIT & FINISH
DESIGN
Was this review helpful? Yes -
351 people found this review helpful July 9, 2022overall
FIT & FINISH
DESIGN
Was this review helpful? Yes -
352 people found this review helpful July 4, 2022overall
FIT & FINISH
DESIGN
Was this review helpful? Yes
About Boom Racing
Boom Racing is a premium RC brand dedicated to scale realism, innovative engineering, and trail-proven performance. Known for the BRX chassis platform and product lines including PHAT™ Axles, ProBuild™ Wheels, KUDU™ Suspension Systems, and officially licensed scale vehicles, Boom Racing develops products that combine authentic scale detail with real-world capability.
Every product is designed with a focus on quality, durability, compatibility, and performance, allowing enthusiasts to build vehicles that look authentic and perform confidently on challenging terrain. From complete vehicle platforms to precision-engineered upgrades and accessories, Boom Racing offers a comprehensive ecosystem for scale RC builders and drivers.
Designed by enthusiasts for enthusiasts, Boom Racing products are trusted by hobbyists around the world who appreciate attention to detail, innovative features, and a commitment to advancing the scale RC experience.










