3X7 Speed Mountain, City, and Road Bike Thumb Shifter

DURABLE ALUMINUM ALLOY SHIFTER: Composed of high-quality aluminum alloy, the Thumb Gear Shifter is built for durability and enhanced safety. This material ensures that the shifter can withstand rigorous use, maintaining its performance over time.

SHIFTER OPTIONS: - 7-Speed Shifter: The right shifter is a -type 7-speed shifter featuring a convenient lever for down-shifts and a thumb button for up-shifts, designed for precise and smooth gear changes. - Friction/Ratcheting Thumb Lever: The left shifter is a versatile friction/ratcheting thumb lever suitable for triple cranksets, offering a balanced blend of smooth and precise shifting.

SPEED COMBINATIONS: - 3-Speed Shifter: By using only the left shifter, you can achieve 3 distinct gear speeds. - 7-Speed Shifter: Utilize the right shifter for a full 7-speed gear range. - 3x7-Speed Shifter: Combine both shifters to access a total of 21 gears, providing unparalleled shifting flexibility.

CUSTOMIZABLE GEARING: - Option 1: Use only the left shifter for a 3-speed configuration. - Option 2: Use only the right shifter for a 7-speed setup. - Option 3: Use both shifters to experience the full 3x7-speed capability, ensuring optimal performance for your specific riding needs.

RELIABLE AFTER-SALE SUPPORT: If you experience any dissatisfaction, our dedicated customer service team is here to assist you. Whether you need troubleshooting tips or a replacement, we aim to provide you with a satisfactory solution to any issues.