Name: VL20 Oversized Pulley Wheel Cage
SKU: 682beb2ca18089000d6fc486
Price: 9660.0
Availability: InStock

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VL20 Oversized Pulley Wheel Cage

*the change of pulley colors only apply to the lower pulley.

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After 17 years of dedicated pulley R&D, RIDEA engineers present the groundbreaking VL20 (Versatile and Lightweight pulley system). By integrating aerospace-grade composite materials with aerodynamic dynamics, this innovation achieves dual breakthroughs in enhanced drivetrain efficiency and reduced system weight, setting new standards for road bike transmission systems.

Six Core Technologies Decoded :

1. Aerospace-Forged Carbon Fiber Monocoque Structure :

• Full carbon fiber monocoque construction (Weight: 78g±2)

• 70% improvement in lateral stiffness

• Closed-front edge protective design

• Precision bearing positioning system

2. Dynamic Chainwrap Envelopment Technology :

• 3D curved chain guide track (±2° swing tolerance)

• Dual-layer chain retention (SRAM/Shimano system compatible)

3. Aerodynamic Optimization System :

• Leading-edge airfoil design directs airflow while enhancing structural rigidity, ensuring quieter and safer riding

4. Modular Drivetrain Configuration :

• Upper pulley: 12T high-inertia carbon fiber wheel

• Lower pulley: 20T oversized design

• Supports 1x/2x drivetrain configurations (11-12 speed compatible)

5. Race-Oriented Lightweight Engineering :

• Topology-optimized structure (stress distribution simulation analysis)

• Aerospace-grade fasteners

• Dynamic mass balance weighting

6. Custom Visual System :

• 6-series aerospace aluminum front panel (5-axis CNC machined)

• Tri-stage anodization process (customizable multi-color options)

P/N	Brand	Compatibility	Warranty	Optional
RD6 VL20 (Di2)	SHIMANO	Dura-Ace R91XX/R92XX Ultegra R80XX/R81XX	4 years	Ti-cast rainbow coating
RD6b VL20 (Non-Di2)	SHIMANO	Dura-Ace R9000/R9100 Ultegra R7900/R8000	4 years	Ti-cast rainbow coating
RD7 VL20 (Di2/Non-Di2)	SHIMANO	105 R70XX/R71XX	4 years	Ti-cast rainbow coating
RD9 VL20	SRAM	RED/FORCE/RIVAL AXS	4 years	Ti-cast rainbow coating

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