Your Cart: £0.00

Spend £100.00 more for free shipping!

View Cart and Checkout
Free UK shipping over £100
Change currency to GBP £ GBPChange currency to EUR € EuroChange currency to USD $ USD
Method RC Fonzon Full Metal F/R Diff Universal - Arrma Grom Series
Method RC Fonzon Full Metal F/R Diff Universal - Arrma Grom Series
Method RC Fonzon Full Metal F/R Diff Universal - Arrma Grom Series
Method RC Fonzon Full Metal F/R Diff Universal - Arrma Grom Series

Method RC Fonzon Full Metal F/R Diff Universal - Arrma Grom Series

Brand: Method RC

Part No: FZCSGRR03

£14.24 RRP £14.99
Pre-Order
Request Price Match Ask a Question Write a Review

The Method RC Fonzon Full Metal F/R Diff Universal is a compact, all‑metal differential engineered for robust power delivery in the Arrma Grom series. Built for mini‑scale performance, it enhances durability and promotes smooth, consistent drivetrain operation.

Featuring a 7075‑T6 aluminium centre housing, nickel‑chromium alloy steel drive cups and powder‑metallurgy bevel and ring gears, this unit arrives factory pre‑filled with 3K cSt diff oil and is fully assembled for straightforward installation. Part number FZCSGRR03.

Key Features

  • Powder metallurgy planetary gears for excellent strength and precision in a compact form.
  • Metal diff case (centre housing) machined from 7075‑T6 aluminium alloy – lightweight and rigid.
  • Nickel‑chromium alloy steel drive cups built for durability at high RPM.
  • Powder metallurgy drive bevel gear and ring gear for consistent torque transfer.
  • Grade 12.9 black corrosion‑resistant screws.
  • Factory pre‑filled with 3K cSt differential oil.
  • Fully assembled and ready to install.

Suggested Compatibility

  • Arrma Grom series
Free Shipping

On UK Orders over £100
Happy to Help

Helpful, friendly advice
28 Day Returns

Easy returns process
Secure Payments

Secured by Stripe

Compact size, uncompromising durability.

The FONZON All-Metal Differential is purpose-built for the ARRMA GROM series, delivering robust power transfer in a lightweight, mini-scale package. Designed with high-strength materials and precision assembly, it’s the ultimate upgrade for durability and smooth drivetrain operation.

Whether you're tuning for performance or simply reinforcing your drivetrain, the FONZON All-Metal Differential for ARRMA GROM is ready for the challenge.

Features
  • Powder metallurgy planetary gears for excellent strength and precision in compact form.
  • Metal diff case (center housing) made from 7075-T6 aluminum alloy – lightweight and rigid.
  • Nickel-chromium alloy steel drive cups ensure durability under high RPM conditions.
  • Powder metallurgy drive bevel gear and ring gear for consistent torque transfer.
  • Grade 12.9 black corrosion-resistant screws.
  • Factory pre-filled with 3K cSt differential oil.
  • Fully assembled and ready to install.
Fits
  • Specifically designed for the ARRMA GROM series.



Key Info:
  • Brand: Method RC
  • Part No: FZCSGRR03
  • Barcode: 195286010826
  • Fitment: Option Part
Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

Reviews
No specific product reviews yet, why not write one?
WRITE A REVIEW
All reviews are subject to moderation
No questions yet, why not ask one?
ASK A QUESTION
Get early access to deals and new arrivals.
Use this form to ask us a quick one sentence question about this specific product. Do not enter anything you would not like displayed on our site.

For more in depth queries, please contact us.