EXT-RSV4 Extension Support Kit for RSV4/Tuono V4

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.