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295 people found this review helpful March 6, 2023
The portals are such an improvement on the crawling experience ! These are the most accurate and realistic on the market. The way it works is amazingly awsome.
overall
FIT & FINISHDESIGNWas this review helpful? Yes
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This product currently has 1 reviews
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Customer Performance Survey:
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0%"Improves performance"
Currently all feedbacks are left by AsiaTees customers.
- This is a set of front portal axle conversion kit for the BRX90 PHAT™ axle. The new portal gearbox has four heavy-duty steel gears each for strength and durability.
Note: The knuckle arms from the BRX70 axle can be used on the portal knuckle. Dimensions are exactly the same.
Features:
- Additional 15mm / 0.59" ground clearance at the pumpkin
- CNC aluminum portal knuckle & cover
- BADASS™ heavy-duty steel front universal driveshafts
- BADASS™ heavy-duty steel front portal driveshafts
- Four heavy-duty hardened steel metal gears in each portal gearbox
- Anti-twist steel brackets to prevent axle twist
- Full rubber sealed bearings
- Full 12.9-grade hardware
- Compatible with PHAT™ Axle brake disc and caliper (requires optional adapter)
Specification:
- Width: 188.3mm / 7.41" (pin-to-pin)
- Requires 44mm / 1.73" wheel barrel clearance (to clear the entire portal gearbox)
- Portal gearbox ratio: 1:1
Fits:
- BRX90 Front PHAT™ Axle
- 1.55" / 1.9 / 2.2" wheels (will fit 1.55" wheels depending on offset)
Includes:
- 1x Left Side Portal Conversion Unit
- 1x Right Side Portal Conversion Unit
- 2x BADASS Front Universal Driveshaft for BRX90 Portal PHAT™ Axle
- 1x Left Side Steel Anti-Twist Bracket
- 1x Right Side Steel Anti-Twist Bracket
- 4x Brass Washer
- 2x Spacer
- Full Rubber Sealed Bearings
- Full 12.9-Grade Hardware
Bearing Sizes:
- D4x7x2.5 #BBZMR742RS x10
- D5x10x4 #BBZMR1052RS x2
- D5x9x3 #BBZMR952RS x2
- D4x8x3 #BBZMR842RS x2
Requires:
- BRX90 Front PHAT™ Axle
- Package total weight: 120.00 grams (incl. packaging)
- Factory description: Boom Racing Front Portal Axle Conversion Kit for BRX90 PHAT Axle
- Manufactured by Boom Racing
- Manufacturer number: BRPT9022KIT
- 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
Front Portal Axle Conversion Kit for BRX90 PHAT™ Axle by Boom Racing
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- This is a set of front portal axle conversion kit for the BRX90 PHAT™ axle. The new portal gearbox has four heavy-duty steel gears each for strength and durability.
Note: The knuckle arms from the BRX70 axle can be used on the portal knuckle. Dimensions are exactly the same.
Features:
- Additional 15mm / 0.59" ground clearance at the pumpkin
- CNC aluminum portal knuckle & cover
- BADASS™ heavy-duty steel front universal driveshafts
- BADASS™ heavy-duty steel front portal driveshafts
- Four heavy-duty hardened steel metal gears in each portal gearbox
- Anti-twist steel brackets to prevent axle twist
- Full rubber sealed bearings
- Full 12.9-grade hardware
- Compatible with PHAT™ Axle brake disc and caliper (requires optional adapter)
Specification:
- Width: 188.3mm / 7.41" (pin-to-pin)
- Requires 44mm / 1.73" wheel barrel clearance (to clear the entire portal gearbox)
- Portal gearbox ratio: 1:1
Fits:
- BRX90 Front PHAT™ Axle
- 1.55" / 1.9 / 2.2" wheels (will fit 1.55" wheels depending on offset)
Includes:
- 1x Left Side Portal Conversion Unit
- 1x Right Side Portal Conversion Unit
- 2x BADASS Front Universal Driveshaft for BRX90 Portal PHAT™ Axle
- 1x Left Side Steel Anti-Twist Bracket
- 1x Right Side Steel Anti-Twist Bracket
- 4x Brass Washer
- 2x Spacer
- Full Rubber Sealed Bearings
- Full 12.9-Grade Hardware
Bearing Sizes:
- D4x7x2.5 #BBZMR742RS x10
- D5x10x4 #BBZMR1052RS x2
- D5x9x3 #BBZMR952RS x2
- D4x8x3 #BBZMR842RS x2
Requires:
- BRX90 Front PHAT™ Axle
- Product weight: 120.00 grams
- Factory description: Boom Racing Front Portal Axle Conversion Kit for BRX90 PHAT Axle
- Manufactured by Boom Racing
- Manufacturer number: BRPT9022KIT
- 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
| Quantity Discount | |||
|---|---|---|---|
| Units at this Price | ATees' Low Price (Per Unit) |
You Save | Click To Order |
This product currently has 1 reviews
Overall Rating:
|
![]() |
Customer Performance Survey:
Customers surveying this product said...
0%"Improves performance"
Currently all feedbacks are left by AsiaTees customers.
The Front Portal Axle Conversion Kit for BRX90 PHAT™ Axle has an average rating of
stars based on 1 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 - 1 Reviews Total 
The Front Portal Axle Conversion Kit for BRX90 PHAT™ Axle has an average rating of
stars based on 1 customer reviews.
-
295 people found this review helpful March 6, 2023
The portals are such an improvement on the crawling experience ! These are the most accurate and realistic on the market. The way it works is amazingly awsome.
overall
FIT & FINISHDESIGNWas 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.












