Overview
The RPM Rear A-Arms for the 4S V2 Arrma Kraton and Outcast are designed primarily for strength and durability, with several extra features built in. These rear A-arms reduce the amount of movement at the hinge pins, providing a tighter fit that delivers better throttle response and more consistent camber and toe angle settings.
RPM's improvement includes the addition of a third shock mount hole centered between the two stock shock mounting holes. This shock position provides a great mid-point between the two extreme options from the factory. Most importantly, durability has been addressed—RPM A-arms are massive and uniform in thickness across their entire length, molded from RPM's ultra-tough blend of engineering-grade nylons.
Key Features
- Reduced hinge pin movement for tighter fit
- Third shock mount hole for additional tuning
- Massive, uniform thickness throughout
- Engineering-grade nylon construction
- Sold in pairs
- Made in the USA
Performance Benefits
- Better throttle response from tighter tolerances
- More consistent camber and toe settings
- Additional shock position for tuning flexibility
- Dramatically improved durability over stock
- Reliable performance under extreme conditions
Usage Notes
Designed specifically for 4S V2 versions of the Arrma Kraton and Outcast. Direct replacement for stock A-arms. Compatible with RPM Rear Mud Guards (#81962).
Technical Specs
- Manufacturer: RPM R/C Products
- Part Number: 81792
- Material: Engineering-grade nylon
- Shock Mount Holes: 3 (stock has 2)
- Color: Black
- Replaces: Stock Arrma #ARA330710
Fitment
- Arrma Kraton 4S V2
- Arrma Outcast 4S V2
What's Included
Summary
The RPM Rear A-Arms transform your Arrma Kraton or Outcast 4S V2 with tighter tolerances, an extra shock mount hole, and legendary RPM durability. Stop breaking stock A-arms—upgrade to RPM. Made in the USA and backed by RPM's limited lifetime warranty against breakage.
