--- product_id: 519992859 title: "Hobbypark Front and Rear Heavy Brass Outer Portal Covers Weights for TRX4 Upgrades fit TRX-6 Crawler, 73.5g/Each (4-Pack)" brand: "hobbypark" price: "AR$104532" currency: ARS in_stock: true reviews_count: 9 category: "Hobbypark" url: https://www.desertcart.com.ar/products/519992859-hobbypark-front-and-rear-heavy-brass-outer-portal-covers-weights store_origin: AR region: Argentina --- # 40mm outer diameter size 73.5g heavy brass weight CNC machined precision fit Hobbypark Front and Rear Heavy Brass Outer Portal Covers Weights for TRX4 Upgrades fit TRX-6 Crawler, 73.5g/Each (4-Pack) **Brand:** hobbypark **Price:** AR$104532 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your crawler’s edge with heavyweight precision! ## Quick Answers - **What is this?** Hobbypark Front and Rear Heavy Brass Outer Portal Covers Weights for TRX4 Upgrades fit TRX-6 Crawler, 73.5g/Each (4-Pack) by hobbypark - **How much does it cost?** AR$104532 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/519992859-hobbypark-front-and-rear-heavy-brass-outer-portal-covers-weights) ## Best For - hobbypark enthusiasts ## Why This Product - Trusted hobbypark brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Value 4-Pack Set:** Complete front and rear coverage with four durable brass weights included - • **Universal Compatibility:** Fits front and rear axles, works with stock plastic inner portals—no spacers needed - • **Precision CNC Machined Fit:** Seamlessly replaces factory plastic covers for effortless upgrade - • **Heavy-Duty Brass Construction:** Adds 73.5g per piece to lower center of gravity and boost crawler stability - • **Optimized for HobbyPark 1.9 Beadlock Wheels:** Perfect match for your TRX4/TRX6 crawler upgrades ## Overview Hobbypark’s Front and Rear Heavy Brass Outer Portal Covers are precision CNC-machined brass weights (73.5g each) designed to replace factory plastic covers on TRX4 and TRX6 crawlers. They enhance vehicle stability by lowering the center of gravity, fit front and rear axles without spacers, and are optimized for HobbyPark 1.9 beadlock wheels. This 4-pack offers a durable, value-packed upgrade for serious RC enthusiasts. ## Description Note:The color of the item may vary slightly due to photography and your own computer /Phone Please allow some little manual measurement error. Customer Satisfaction Guarantee If you are not completely satisfied with our products, please do not hesitate to contact us to request a refund or exchange! Note:Check your specific model's manual for compatibility,or Contact us. Review: Nice Upgrade Part - Were very easy to put on, two screws, seem of good quality. I highly recommend. Edit: I would suggest using +3mm hexes with these portal weights, my 2.2 RC4WD wheels did not seat all the way on the stock hexes. I don't know about other wheels. Review: Great! - Fit and finish was great. Such a simple weight upgrade, wish I knew about these sooner! ## Features - 【Compatible with】fit front and rear axles, can work with the stock plastic inner portal part without spacers. Work with HobbyPark 1.9 Beadlock Wheels, May not fit some other aftermarket beadlocks, check size before buying. - 【Material】Quality Brass,Heavy Duty,Approx 73.5g/pc,add weight to vehicle,lowering center of gravity,increase stability when passing obstacles - 【Dimensions】Outer Diameter: 40mm/1.57inch; Inner Diameter: 20mm/0.79inch - 【Easy to install 】CNC machined for precision.Direct replacement for factory plastic steering knuckles Portal Gear Cover, No need spacers. - 【Why choose us】Great Value, You will receive 4 Pieces, Front and Rear. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BJPH2RVS | | Age Range Description | Kid | | Best Sellers Rank | #183,436 in Toys & Games ( See Top 100 in Toys & Games ) #124 in RC Vehicle Axles | | Brand Name | Hobbypark | | Customer Reviews | 4.8 4.8 out of 5 stars (30) | | Educational Objective | STEM | | Included Components | Brass Outer Portal Drive Housing(4), Mounting Screws | | Indoor Outdoor Usage | Outdoor | | Is Assembly Required | No | | Item Dimensions | 3.15 x 3.15 x 0.79 inches | | Item Type Name | Portal Covers | | Manufacturer | HobbyPark | | Manufacturer Maximum Age (MONTHS) | 1200 | | Manufacturer Minimum Age (MONTHS) | 168.00 | | Manufacturer Part Number | 11201 | | Material Type | Brass | | Model Number | 11201 | | Operation Mode | Manual | | Power Source | No power source | | Size | Small | | Supported Battery Types | No batteries required | | Unit Count | 4.0 Count | ## Images ![Hobbypark Front and Rear Heavy Brass Outer Portal Covers Weights for TRX4 Upgrades fit TRX-6 Crawler, 73.5g/Each (4-Pack) - Image 1](https://m.media-amazon.com/images/I/61QC2-UmhBL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice Upgrade Part *by M***R on July 25, 2025* Were very easy to put on, two screws, seem of good quality. I highly recommend. Edit: I would suggest using +3mm hexes with these portal weights, my 2.2 RC4WD wheels did not seat all the way on the stock hexes. I don't know about other wheels. ### ⭐⭐⭐⭐⭐ Great! *by M***Y on August 1, 2025* Fit and finish was great. Such a simple weight upgrade, wish I knew about these sooner! ### ⭐⭐⭐⭐⭐ Easy install good quality. *by V***L on July 17, 2025* Easy upgrade for trx4. I installed these on trx4 72 blazer high trail, installation was easy! Just remove two bolts and install them with the longer included bolts. Great quality and good much needed weight down low ## Frequently Bought Together - HobbyPark Front and Rear Heavy Brass Outer Portal Covers Weights for TRX4 Upgrades fit TRX-6 Crawler, 73.5g/Each (4-Pack) - AMK TRX4 Brass Diff Cover 2PCS Front and Rear Axle Diff Cover TRX4 Portal Axle Housing for 1/10 RC Crawler TRX6 TRX4 Upgrade Parts - Hobbypark 87.8g/pc Heavy Duty Brass Front Bumper Servo Mount for Traxxas TRX-4 TRX4 1/10 RC Crawler Car Scale & Trail Truck --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/519992859-hobbypark-front-and-rear-heavy-brass-outer-portal-covers-weights](https://www.desertcart.com.ar/products/519992859-hobbypark-front-and-rear-heavy-brass-outer-portal-covers-weights) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-05-19*