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HIGH QUALITY MATERIAL: This Thumb Gear Shifter is made of durable aluminum alloy material, it works perfectly for performance and maximum safety and longevity.
SHIFTER: Right shifter is a -type 7 speed shifter, with one lever for down-shifts and a thumb button for up-shifts.Left shifter is a friction/ ratcheting thumb lever for triple cranksets.
3x7 SPEED: You can use only left gear shifter for 3 speed and only right shifter for 7 speed and both left and right shifter for 3x7 speed.
YOU CAN CHOOSE:1. Only left gear shifter -3 speed;2. Only right shifter -7 speed;3. Left and right shifter -3X7 speed.
AFTER-SALE ASSURANCE:If you have any dissatisfaction, please do not hesitate to contact us, we will give you a satisfactory solution.
Specifications: Model: SL-TX30 Thumb Gear Shifter 3X7 Speed Material: Aluminium Alloy Color: Black Mount: Left (3 Speed)+ Right(7 Speed) Clamp: 22.2 mm/ 0.87 inch You can choose: 1. Only left gear shifter -3 speed 2. Only right shifter -7 speed 3. Left and right shifter -3X7 speed Packing List: 1 Pair TX30 Thumb Gear Shifter (Left +Right Shifter)