Shimano Tourney RD TZ50/TZ500 RD-SGS 6/7 speed Rear Derailleur Hook/Eye Pull RD Mountain Bike Bicycle Part

✅ Fast Shipping: In-stock items dispatched within 24 hours.​✅ Dedicated Support: Comprehensive after-sales service—reach out anytime.​✅ Flexible Returns: Return items or request a partial refund if unsatisfied.​✅ Full Refund: Guaranteed for damaged products.​🔧 Shimano TZ50 Rear Derailleur - 5/6/7 Speed, Ideal for Mountain Bikes​✨ Key Advantages​Compatible with 5/6/7-speed drivetrains; works with 15/18/21-speed setups.​Dual Mounting Options: Hook/Eye Dial, suitable for both new and old bike frames.​SGS cage supports up to 34T cassettes, enabling wide gear range compatibility.​13-tooth pulley wheels reduce noise and extend lifespan.​📌 Professional Performance​SIS indexing system ensures precise, responsive shifting.​Lightweight aluminum construction—net weight 270g.​Sleek black finish combines durability with professional aesthetics.​🚴 Versatile Applications​Suitable for mountain bikes, road bikes, and variable-speed bikes; supports 5-7 speed suspended transmissions.​📦 Specifications​Dimensions: 140×120×55mm (5.51×4.72×2.16'')​Weight: 270g (including packaging)​Color: Black​💡 Installation Tips​The two mounting methods fit various frames, making it easy to install on modern and classic bikes—no expertise needed for smooth setup!​