Brand New and High quality bike gear shift made of quality material,3 speed left, 7 speed right,durable and lightweight. 3x7 Speed Shifter Brake Lever Combo 21 Speed Black V-Brake For Mountain Bike;21-speed transmission,ergonomic design of position and trigger handle. Suitable for all kinds of bicycle, 21 speed with 22.2mm diameter handlebar. Package includes: 2pcs Bike Derailleurs(Left 3 speed / right 7 speed) 2pcs Brake line

Satisfaction guaranteed! Try any product we sell for a full 30 days. If not completely satisfied, return it to us for a no-hassle refund or credit. This bicycle gear shifter compatible for: Front 3 gear, Rear 7 flywheel and 21 speed positioning transmission system. Scope of application: 21-23mm diameter handle bar. 3x7 Speed Shifter Brake Lever Combo 21 Speed Black V-Brake For Mountain Bike;21-speed transmission,ergonomic design of position and trigger handle. The bike shifters is made of quality material, which is durable and lightweight.3 speed left, 7 speed right. 3x7 Speed Shifter Brake Lever Combo 21 Speed Shifter Set.

Handle Type: Lever. Product Dimensions: 0.28"L x 0.12"W. Style: Compatible,Ergonomic. Color: Black. Brand: KAKO. Date First Available: July 23, 2020. Best Sellers Rank: #49,141 in Sports & Outdoors. Customer Reviews: 4.1 out of 5 stars 241 ratings 4.1 out of 5 stars. : B08DJ8CSW7. Batteries Required?: ?No. Batteries Included?: ?No. Finish: ?Brushed. Item model number: ?6059-ST-EF51. Item Weight: ?12 ounces. Part Number: ?6059-ST-EF51. Manufacturer: ?OEN. Unit Count: ?1.0 Count. Finish Type: ?Brushed. Handle Type: ?Lever. Product Dimensions: ?0.28"L x 0.12"W. Style: ?Compatible,Ergonomic. Color: ?Black. Brand: ?KAKO.