R9 CARBON & ALLOY 2x11 SPEED HYDRAULIC DISC BRAKE GROUPSET R9 Hydraulic Disc Brake Groupset Built for road riders who demand ultimate control and precision. Available in two distinct versions to match your riding style: Carbon Version: Ultra-lightweight and stiff, engineered for competitive racers chasing maximum weight savings. Aluminum Alloy Version: High-strength and highly durable, built for hard-core riders who love a solid, mechanical feel. Shift Lever Both Version deliver identical operation and functionality, differing only in lever material and finish. The system features two independently operated shift levers responsible for upshifts and downshifts（Shifting Cables Included）. Rear Derailleur Both rear derailleurs share a maximum 32T cassette compatibility. The Carbon version features a more compact rear derailleur with both inner and outer cages crafted from premium carbon fiber for ultimate weight savings. Weight：≈237g The Alloy version utilizes alloy inner and outer cages, delivering enhanced chain tension, superior strength, and a longer lifespan. Weight：≈253g Front Derailleur Max Chainring Size: 56T Capacity: 16T Installation Angle: 61°–66° Chainline: 43.5–44.5mm Weight: 106g Excellent Frame Compatibility The front derailleur features an integrated cable housing stop, making installation easier on frames without a dedicated cable housing mount and improving overall compatibility. Quick Cable Tension Adjustment An external tension adjustment screw allows fine-tuning of cable tension without re-clamping the cable or using an inline barrel adjuster, making setup and maintenance faster and more convenient. Hydraulic Brake Calipers Manufactured from a single CNC-machined body, the caliper offers increased stiffness and more even force distribution.（Includes hydraulic hose and brake adapter） Reduced caliper flex under braking More direct braking force transfer Consistent and linear braking feel Improved braking stability and control Dual-Way Hydraulic Bleeding System The dual-direction hydraulic oil circuit improves fluid circulation efficiency and helps eliminate trapped air more effectively. High-Wear-Resistance Bar-Type Brake Pads Equipped with bar-style composite brake pads designed to balance heat dissipation and wear resistance.

Product specifications