L-TWOO | LTWOO GRT Disc 1x12s Gravel Hydraulic Disc Brake Groupset Carbon Fibre and Aluminum Alloy Two Version 5 Kit Benchmark GRX

GRT 1x12 Speed Carbon Fiber & Aluminum Alloy Hydraulic Disc Brake GroupsetCarbon Fiber VersionAluminum Alloy VersionPackage ComponentsLTWOO GRT Right Shifter ×1 (Shifting cable included)LTWOO GRT Left Shifter ×1 (Shifting cable included)LTWOO GRT Rear Derailleur ×1LTWOO  Caliper x2Shift Lever (Carbon)Type：Mechanical Shifting & Hydraulic Disc BrakeMaterial: Carbon Fiber brake lever.Operation: Dual Shifting levers.Cables: Shifting cables included.Weight: Left.:~215gRight: ~290gShift Lever (Aluminum Alloy)Optimized lower shift lever with enlarged contact area; upgraded textured brake hoods deliver enhanced anti-slip grip for all-day long-distance ridingType：Mechanical Shifting & Hydraulic Disc BrakeMaterial: Aluminum Alloy brake lever.Operation: Dual Shifting levers.Cables: Shifting cables included.Weight: Left.:~235gRight: ~310gRear Derailleur（Carbon）Speed: 12 SpeedCompatible Sprocket: Minimum 11T / Maximum 52TWeight: ~283gColor:Blue grayBuilt-in rear derailleur clutch damper buffers chain vibration for quiet rides and anti-chain-drop performancePulley Wheels: Both Pulley features positive and negative teeth to ensure smooth shifting and prevent chain drop.Cage Material: Carbon fiber inner and outer cage for optimized weight savings.Rear Derailleur（Aluminum Alloy）Speed: 12 SpeedCompatible Sprocket: Minimum 11T / Maximum 52TWeight: ~300gColor:BlackBuilt-in rear derailleur clutch damper buffers chain vibration for quiet rides and anti-chain-drop performancePulley Wheels: Both Pulley features positive and negative teeth to ensure smooth shifting and prevent chain drop.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.