3D tank grip pad extension support system for Aprilia RSV4 Tuono V4 2021 2025 motorcycle knee grip upgrade for rider control and stability
side view of EXT RSV4 extension support kit showing raised 3D tank grip pad design for improved rider control and knee grip support
close up of 3D structured tank grip pad showing extension support design for motorcycle performance upgrade and rider control
rider knee grip contact with 3D tank grip pad showing ergonomic support and improved riding stability on Aprilia RSV4
EXT Support System installed on Aprilia RSV4 showing motorcycle tank grip pad and knee grip support positioning on fuel tank

APRILIA RSV4 / Tuono V4 2021-2025

EXT-RSV4 Extension Support Kit for RSV4/Tuono V4

Regular price $75.00
Unit price  per 
Shipping calculated at checkout.

Not Just a Tank Grip.
A True Rider Support System.

HARMONIZE EXT Series - EXT-RSV4 Extension Support Kit
Apply to Aprilia RSV4 / Tuono V4 (2021-2025) 

Upgrade your Aprilia RSV4 with a next-generation 3D tank grip pad designed for enhanced rider control, riding stability, and ergonomic support.




 

Rider Control Meets Structural Innovation

Inspired by the dynamics of aggressive riding and real-world track feedback, the EXT Support System introduces a 3D structural interface that goes beyond flat tank pads.

By transforming simple surface grip into active support, it enables more effective body positioning, improved stability, and greater confidence under all riding conditions.

 


 

Key Features

 

  • 3D Extension Support Structure
    A next-generation tank grip pad upgrade featuring a raised, contoured design that enhances thigh grip and rider stability.
  • Enhanced Rider Control
    Provides stronger lower body engagement, reducing upper body fatigue during braking, cornering, and acceleration.
  • Ergonomic Support Design
    Developed to match natural leg positioning, improving comfort while maximizing control.
  • Precision 3D Manufacturing
    Produced with advanced manufacturing techniques to ensure consistent geometry, fitment accuracy, and structural integrity.
  • Lightweight & Durable Construction
    Optimized for minimal weight while maintaining strength, grip performance, and long-term durability.

 


 

Product Specifications

  • Series: HARMONIZE EXT Series
  • Model: EXT-RSV4
  • Fitment: Aprilia RSV4 / Tuono V4 (2021-2025)
  • Category: Extension Support System / Tank Grip Upgrade
  • Material: TPU
  • Installation: 3M™ VHB high-strength adhesive

 

What’s Included

  • One-piece set (with pre-applied 3M VHB)
  • Surface Cleaning Pad ×1

 


 

Why Choose EXT Support System

While traditional tank pads focus on anti-slip protection, the HARMONIZE EXT Series is engineered for performance.

It bridges the gap between rider and machine by introducing a support-based interface, transforming passive grip into active control.

From Tank Grip to Support System.
From Accessory to Performance Upgrade.