7 Speed Bike Chain Tensioner Aluminum Alloy CNC Machined Rear Derailleur Replacement for P Line11 30T Flywheel

[CNC MACHINING]: THE BIKE SPEED TENSIONER IS CNC FINISH MACHINING, CURVED STRUCTURE DESIGN FOR HIGHER DENSITY AND SOLIDITY.[LABOR SAVING]: DRIVEN BY FOUR CONNECTING RODS, THIS TENSIONER IS FLEXIBLE AND ACCURATE, MAKING IT EFFORTLESS TO USE.[HIGH STRENGTH]: BEAUTIFUL AND DESIGN WITH A 10MM STAINLESS STEEL HOLLOW ROD FOR MAXIMUM STRENGTH AND STABILITY.[PREVENT CHAIN LOSS]: DOUBLE GUIDE WHEEL AND IMPROVED LUBRICATION SYSTEM ENSURE SECURE CHAIN RETENTION.[ALUMINUM ALLOY CONSTRUCTION]: MADE OF HIGH-QUALITY ALUMINUM ALLOY, SUITABLE FOR P LINE11 30T AND C LINE11 32T FLYWHEELS.Spec:Item Type: Bike Speed TensionerMaterial: Aluminium alloyGross Weight: 429g/15.1ozCompatible with: for P Line11 30T and fpr C Line11 32T flywheelPackage List：2 x Speed Control System Assembly2 x Screws AccessoryNote：

• [CNC MACHINING]: THE BIKE SPEED TENSIONER IS CNC FINISH MACHINING, CURVED STRUCTURE DESIGN FOR HIGHER DENSITY AND SOLIDITY.
• [LABOR SAVING]: DRIVEN BY FOUR CONNECTING RODS, THIS TENSIONER IS FLEXIBLE AND ACCURATE, MAKING IT EFFORTLESS TO USE.
• [HIGH STRENGTH]: BEAUTIFUL AND DESIGN WITH A 10MM STAINLESS STEEL HOLLOW ROD FOR MAXIMUM STRENGTH AND STABILITY.
• [PREVENT CHAIN LOSS]: DOUBLE GUIDE WHEEL AND IMPROVED LUBRICATION SYSTEM ENSURE SECURE CHAIN RETENTION.
• [ALUMINUM ALLOY CONSTRUCTION]: MADE OF HIGH-QUALITY ALUMINUM ALLOY, SUITABLE FOR P LINE11 30T AND C LINE11 32T FLYWHEELS.