Orivin 1 Pair 21 Speed TX30-7 Mountain Bike Speed Gearbox, for Road Folding Bicycle,mountain Bike Accessories Replacement

• Effortless Operation：Designed with ergonomics in mind, the TX30-7 Shifter Set ensures easy finger engagement. Its intuitive thumb-forward and index-finger-backward shifting mechanism allows cyclists to quickly and accurately change gears during rides.​
• Clear Gear Indication：Equipped with a visible window display marked with 1-7 digits, this shifter set offers clear and straightforward gear position indication, enabling riders to effortlessly monitor their current gear for safer and more confident cycling.​
• Wide Compatibility：As a versatile, split-type shifter, the TX30-7 is highly adaptable, widely used in various bicycles like mountain bikes and folding bikes. It’s suitable for 7 to 21-speed bicycle drivetrain systems, meeting diverse riding needs.​
• APPLICATION: Suitable for mountain bikes,commuter bikes,folding bicycles.
• MATERIAL: Made of plastic and has, which can achieve the best performance.Has the safety and stable quality.

Features: Designed with ergonomics in mind, the TX30-7 Shifter Set ensures easy finger engagement. Its intuitive thumb-forward and index-finger-backward shifting mechanism allows cyclists to quickly and accurately change gears during rides. Specifications: Packing Size: approx. 10 x 7 x 5cm Material: plastics Color: Black Suitable for Road Folding Bicycle,mountain bike Package Includes: 1 Pair 21 Speed TX30-7 Mountain bike speed gearbox