Aluminum Mountain Bike Rear Derailleur Supporting 8 9 24 and 27 Speed Drivetrains Enhanced Chain Stability and Shift Consistency (M390 )

• [WHAT YOU GET & FIT RANGE] Package contains 1 x rear derailleur compatible with kids' commuter bikes, tricycles, recreational bicycles and a wide range of 8/9/24/27 speed mountain or commuter drivetrains; finished in black for discreet appearance.
• [PRECISION SHIFTING PERFORMANCE] Dual guide pulleys and calibrated spring action deliver quieter, consistent shifts for ACROSS the cassette so you get smoother transitions whether commuting or riding trails.
• [CHAIN PROTECTION & STABILITY] Stable alignment reduces lateral play and chain rub, helping to decrease wear and maintain smoother pedaling response for ACROSS varied terrain.
• [LIGHTWEIGHT RESISTANT] Aluminum alloy body balances strength and lightness at about 320g, offering resistance to s encountered sections and rough roads without adding bulk.
• [FITMENT NOTICE] PLEASE CHECK YOUR BIKE SIZE CHART and drivetrain speed prior to purchase; compatible with standard derailleur hangers and most 8/9/24/27 speed systems for upgrade or replacement.

Features: * Wide Compatibility: Suitable for mountain bikes for children's commuting, mountain tricycles, recreational commuting bikes, and various 8/9/24/27-speed mountain bikes; Color: Black. * Quiet and Smooth: Precise guide wheels and optimized springs deliver a quieter, smoother shifting experience for a more comfortable ride. * Stable Chain Protection: Precise gear positioning ensures stable shifting, reduces chain wear, and provides a smoother, more efficient drivetrain. * Superior Materials: Made of high-quality aluminum alloy, impact-resistant and adaptable to various challenging terrains. * Ideal for Multiple Scenarios: Suitable for mountain trails, off-road sections, and commuting on rough roads; also suitable for customization/upgrades. Specifications: *Product Name: Mountain Bike Rear Derailleur *Material: Aluminum Alloy *Size: approx. 20*15*5cm *Color: Black *Weight: about 320g Package Content: 1 x Mountain Bike Rear Derailleur