Bicycle Brake Levers 3x7 Gear Handle 21 Speed Shifter Set for MTB

Product descriptions: Item weight: 350 Grams Item package size : 7.98 x 6.5 x 2.5 IN Special Feature: This bicycle brake/shift lever is very easy to install, and it is very Durable for use 【 High quality material 】 - This bicycle brake shift is constructed from high-quality aluminum alloy, ensuring durability and lightweight performance. The left shift handle controls 1-3 speeds, while the right shift handle manages 1-7 speeds, providing a total of 21 available speeds. Both gear shifters come with robust cables (left cable length: 160-165cm, right cable length: 195-200cm ) , delivering precise and consistent shifting performance. 【 3 × 7 speed 】 - The bike shift is clearly labeled for either 3 or 7-speed options. The left shifter handles 1-3-speed adjustments, while the right shifter manages the full range of 1- 7 speeds. With two separate levers for descending and ascending speed control, this system allows for flexible usage of either the left or right shifter independently or in combination to access all gears. 【 Ergonomic design 】 - Featuring an integrated trigger handle design, the shift brake lever offers an ergonomic shape that enhances comfort, stability, and ease of control. Compatible with various brake types including linear pull brakes (V-brakes), cantilever brakes, and mechanical Disc brakes. 【 Optical gear display indicator 】 - All gear shifters are equipped with noise reduction buffers to ensure accurate and consistent shifting performance. Additionally, an optical gear display indicator provides clear visibility of current gear position. The right gear shifter features a trigger-type mechanism for seamless downshifting and upshifting using thumb buttons; meanwhile, the left shifter utilizes a ratchet thumb lever paired with three chainring sets. 【 Use of Instructions 】 - This variable speed handle kit is suitable for bicycle handlebars with diameters ranging from 21 mm to 23 mm, making it compatible with mountain bikes , F olding bikes , and touring bikes. Please verify compatibility before making your purchase. If you have any questions about replace or remove the original bicycle gear shifter, please contact the bicycle factory or us directly for assistance. 【 Package Includes 】 -1 pair of 3X7 /21 speed bicycle gear shift set with shift cables 【 Reliable Service 】 We attach great importance to product quality and customer satisfaction. If you have any questions about the product, please feel free to contact us for assistance.