![Amazon.com: BESNIN Shifter and Brake Combo Bike Shifter&Brake 1 Pair 3x7 21Speed Mountain Bike shifters Shifter and Left/Right Brake Lever Set for Mountain Bike Folding Bike Universal (3x7 21speed) : Sports & Amazon.com: BESNIN Shifter and Brake Combo Bike Shifter&Brake 1 Pair 3x7 21Speed Mountain Bike shifters Shifter and Left/Right Brake Lever Set for Mountain Bike Folding Bike Universal (3x7 21speed) : Sports &](https://m.media-amazon.com/images/I/51zHGI0kjkL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BESNIN Shifter and Brake Combo Bike Shifter&Brake 1 Pair 3x7 21Speed Mountain Bike shifters Shifter and Left/Right Brake Lever Set for Mountain Bike Folding Bike Universal (3x7 21speed) : Sports &
![Amazon.com : Shimano Tourney SL-FT55 7-Speed Right Thumb Shifter : Bike Shifters And Parts : Sports & Outdoors Amazon.com : Shimano Tourney SL-FT55 7-Speed Right Thumb Shifter : Bike Shifters And Parts : Sports & Outdoors](https://m.media-amazon.com/images/I/61eyqvQ64dL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano Tourney SL-FT55 7-Speed Right Thumb Shifter : Bike Shifters And Parts : Sports & Outdoors
![Mountain Bike Gear Shifter 3x7 Bike Gear Shifter 7 Speed Gear Lever Brake Lever Bike Left Right Shifter 21 Speed Shifter Set for Mountain Bikes City Bikes Racing Bikes Folding Bikes Accessories - Mountain Bike Gear Shifter 3x7 Bike Gear Shifter 7 Speed Gear Lever Brake Lever Bike Left Right Shifter 21 Speed Shifter Set for Mountain Bikes City Bikes Racing Bikes Folding Bikes Accessories -](https://i5.walmartimages.com/seo/Mountain-Bike-Gear-Shifter-3x7-7-Speed-Lever-Brake-Left-Right-21-Set-Bikes-City-Racing-Folding-Accessories_d0c7a5e2-7575-41f8-a372-274a4c0cc249.8c1832a478b7a4f9526638cb02a809ce.jpeg)