L-TWOO RX12 Disc 2x12speed Road Bike Hydraulic Disc Brake GroupsetCarbon/Aluminum Benchmark R7170 R8170

RX Road 2x12 Speed Hydraulic Disc Brake GroupsetPlease note: The pictures in the SKU cannot be modified during the event. They are of the previous version. For the current shipping version, please refer to the detailed introduction on the link.Version GuideThe shifters and rear derailleurs come in two versions:Carbon Fiber: Lighter and offers finer shifting. Best for experienced riders seeking maximum speed and weight savings.Aluminum Alloy: Focuses on tactile feel and durability. Ideal for long-distance riders.Carbon Fiber VersionAluminum Alloy VersionPackage ComponentsLTWOO RX Right Shifter ×1 (Shifting cable included)LTWOO RX Left Shifter ×1 (Shifting cable included)LTWOO RX Rear Derailleur ×1LTWOO RX Front Derailleur x1LTWOO Caliper x2 （Includes Brake Hoses, Flat Mount Adapters & Mounting Hardware）Shift Lever (Carbon)Material: Carbon fiber brake lever.Operation: Dual Shifting PaddlesShifting Cables:Pre-Installed Cable1x19 High-Strength StainlessPrecision Die-Cast HeadWeight：~285g / eachShift Lever (Aluminum)Material: Aluminum Alloy brake lever.Operation: Dual Shifting PaddlesShifting Cables: Pre-Installed CableNew LTWOO hoods for enhanced grip. Enlarged downshift lever contact area, ideal for long-distance rides.Weight：~310g / eachRear Derailleur（Carbon）Three-spring design delivers balanced cassette engagement, greater adjustability tolerance and simpler setup.Speed: 12 SpeedCompatible Sprocket: Minimum 11T / Maximum 34TPulley Wheels: The Tension Pulley features positive and negative teeth to ensure smooth shifting and prevent chain drop.Cage Material: Carbon fiber outer cage paired with aluminum inner cage for optimized weight savings and durability.Weight: ~226gRear Derailleur（Aluminum）Two-spring construction minimizes chain slapping against the frame, enables crisp and responsive gear shifting, simplifies internal components for enhanced robustness and reduces routine maintenance needs.Speed: 12 SpeedCompatible Sprocket: Minimum 11T / Maximum 34TPulley Wheels: The Tension Pulley features positive and negative teeth to ensure smooth shifting and prevent chain drop.Cage Material: Aluminum alloy inner and outer cages deliver outstanding strength and extended service lifespan.Weight: ~255gFront Derailleurmaximum compatible sprocket: 56TInstallation type：Down pull Directly installTotal capacity：16TInstallation angle (°): 61-66Chain line (mm)：43.5-44.5Weight：~107gExcellent Frame CompatibilityThe 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 AdjustmentAn 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 CalipersManufactured 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 brakingMore direct braking force transferConsistent and linear braking feelImproved braking stability and controlDual-Way Hydraulic Bleeding SystemThe dual-direction hydraulic oil circuit improves fluid circulation efficiency and helps eliminate trapped air more effectively.High-Wear-Resistance Bar-Type Brake PadsEquipped with bar-style composite brake pads designed to balance heat dissipation and wear resistance.