Rear Derailleur TY21B 6/7 Speed Hanger Mount for Mountain Bike, Tricycle, Commuter and Cruiser, Aluminum Alloy Build, 11T Guide Wheel, 34T Capacity for Smooth Shifting and Buttery Daily Rides
✔️ Aluminum alloy, 11T guide wheel, 34T capacity, 6/7-speed
This hanger-mount rear derailleur is built for 6/7-speed setups on MTB, commuter, cruiser, and folding bikes, delivering smooth shifts and reliable daily rides. Made from lightweight aluminum alloy for durability and easy maintenance.
✅ Model: RD-TY21B Silver Hanger Mount Derailleur
✅ Guide wheel teeth: 11T
✅ Tooth capacity: 34T
✅ Suitability: 6/7 speed bikes (MTB, commuter, cruiser, folding)
✅ Material: aluminum alloy for durability
✅ Mount type: hanger mount (not direct mount); check original part
💡 What is a hanger-mount rear derailleur used for on everyday bikes? It's a handy upgrade for daily rides, improving shifting and compatibility. - Suitable for 6/7-speed systems on MTB, commuter, cruiser - Includes 11T guide wheel and 34T tooth capacity - Easy to install and adjust, compatible with hanger-mount frames