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Oppai Factory "Bouncer" Chassis kit for TRX4m (Long)

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Price:$46.99

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OppaiFactory  
Arrives soon! Get it by Nov 14-19 if you order today
Nov 14-19

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Star Seller. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

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Original value: $60.98

New total: $57.93

Highlights

This is a Oppai Factory "Bouncer" Chassis kit for the TRX4m. (Long)

Tired of seeing 4m Rippers and Tarantula all over the FB groups. Want something unique that also has some new design tech built in? This Bouncer kit may be right up your alley.

Fully custom designed chassis with the unusual characteristic of mounting the battery up front, and over top the axle for better weight distribution. Battery cover can be clipped on or screwed down for those who leave their batteries in their rigs.

There are 2 versions if this chassis:

The "Short" version is designed for a standard 4m Defender or Bronco link set, and the "Long" version is meant for Hightrail donors or LWB plates and those wanting max potential from their rigs. Built to work directly with my High Clearance trans plate (included).

Long Chassis come with both a standard High Clearance and an LWB plate included. Basically you get a 1/2 price plate for whichever one you don't put in the Bouncer.

LWB option requires 2 sets or rear 68mm links and driveshaft to complete. This is a specialized kit.

Other requirements are a laydown servo mount (ie. Injora or Meus) and then a donor 4M (or 4x4 worth of parts) to complete.

40 colors to choose from:

Clear
White
Light Grey
Silver
Dark Gray
Black
Key Lime
Flori Yellow
Yellow
Flori Orange
Orange
Burnt Orange
Red
Candy Red
Maroon
Rose Pink
Pink
Fuchsia
Magenta
Lavender
Purple
Mint
Light Blue
Blue
Navy Blue
Teal
Aqua
Flori Green
Light Green
Green
Forest Green
Olive Green
Khaki
Tan
Rich Gold (Redish Hue)
Dull Gold (Greenish Hue)
Cayote Brown
Clay Brown
Brown
Chestnut


Kit is made to order, so please allow up to 4-5 days of processing time before shipping depending on backlog.

Long Bouncer Chassis Kit includes:

Bouncer Chassis (in desired color)
Bouncer Battery Holder (In desired color)
High Clearance Trans plate (Black)
LWB Trans Plate (Black)
Receiver/ ESC Mounting plate (Black)
SS hardware
Instructions

Disclaimer:

This is a 3D printed part. It is made from PLA+ Plastic. It has an inherent "layered" look and may require some slight modification if your vehicle is fitted with other aftermarket parts.

Please view my packaging and inspect the package BEFORE handing it to young children. While my logo is suggestive, it is not unsightly, but may require the approval of a responsible parent before giving it (and the small contents inside) to a child.

Due to a rather insane review I received, I need to state this, and be sure anyone else so inept HAD the opportunity to read this...

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  • Order today to get by Nov 14-19
  • Returns & exchanges accepted within 30 days
  • Cost to ship: $6.99
  • Ships from: Sedro Woolley, WA

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Reviews for this item

What buyers say, summarized by AI: Great quality Well packaged Fast shipping Looks great Love it Helpful seller

4.9

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(21 reviews)

4.7 Item quality
4.8 Shipping
5.0 Customer service
92% Buyers recommend
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5 out of 5 stars 5 This item

Brian Oct 15, 2026

Great design, well built, great packaging and quick shipping.

Brian Oct 15, 2026

5 out of 5 stars 5 This item

LeAndra Mar 3, 2026

Love the packaging good quality

LeAndra Mar 3, 2026

5 out of 5 stars 5 This item

Brian Feb 10, 2026

Just order one you want be disappointed

Brian Feb 10, 2026

5 out of 5 stars 5 This item

Jeremy Nov 19, 2025

This is the second time I’ve ordered from Oppai factory and have been happy with both orders , will continue to do business with them in the future

Jeremy Nov 19, 2025

OppaiFactory
OppaiFactory ·

Sedro-Woolley, Washington

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
5.9k sales
·
3 years on Etsy

Typically responds within a few hours

Typically responds within a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Oct 1, 2026