![Amazon.com: Bicycle Shifter 3x7 21 Speed Gear Lever Shifters, Mountain Bicycle Thumb Gear Shifter Bike Gear Shifter with Inner Cables, Mountain Bike Transmission 3-Speed 7-Speed Left Right Shift Lever One Pair : Amazon.com: Bicycle Shifter 3x7 21 Speed Gear Lever Shifters, Mountain Bicycle Thumb Gear Shifter Bike Gear Shifter with Inner Cables, Mountain Bike Transmission 3-Speed 7-Speed Left Right Shift Lever One Pair :](https://m.media-amazon.com/images/I/41hZwtxtQTL._AC_SY580_.jpg)
Amazon.com: Bicycle Shifter 3x7 21 Speed Gear Lever Shifters, Mountain Bicycle Thumb Gear Shifter Bike Gear Shifter with Inner Cables, Mountain Bike Transmission 3-Speed 7-Speed Left Right Shift Lever One Pair :
![Amazon.com: Shimano Bike Shifter SL-TX30-7R,7 Speed Mountain Bicycle Right Thumb Gear Shift Lever : Sports & Outdoors Amazon.com: Shimano Bike Shifter SL-TX30-7R,7 Speed Mountain Bicycle Right Thumb Gear Shift Lever : Sports & Outdoors](https://m.media-amazon.com/images/I/41HRmFdBC8L._AC_SY580_.jpg)
Amazon.com: Shimano Bike Shifter SL-TX30-7R,7 Speed Mountain Bicycle Right Thumb Gear Shift Lever : Sports & Outdoors
![Amazon.com: SOONHUA Bike Speed Shifter,TX-30 Right Thumb Gear Shifter,1 Pair Mountain Bicycle Gear Shifters 3X7 Speed Shift Lever and Set with Gear Indicator for Road Bike,MTB : Sports & Outdoors Amazon.com: SOONHUA Bike Speed Shifter,TX-30 Right Thumb Gear Shifter,1 Pair Mountain Bicycle Gear Shifters 3X7 Speed Shift Lever and Set with Gear Indicator for Road Bike,MTB : Sports & Outdoors](https://m.media-amazon.com/images/I/71K28j9hw-L.jpg)
Amazon.com: SOONHUA Bike Speed Shifter,TX-30 Right Thumb Gear Shifter,1 Pair Mountain Bicycle Gear Shifters 3X7 Speed Shift Lever and Set with Gear Indicator for Road Bike,MTB : Sports & Outdoors
![What is the generic name for the gear shifter where you have one trigger for the up shift and another for down shift? - Bicycles Stack Exchange What is the generic name for the gear shifter where you have one trigger for the up shift and another for down shift? - Bicycles Stack Exchange](https://i.stack.imgur.com/1qBwb.jpg)
What is the generic name for the gear shifter where you have one trigger for the up shift and another for down shift? - Bicycles Stack Exchange
![1pcs Mtb Bike Gear Shifter Set 3x8 24speed Mountain Bicycle Variable Speed Governor Transmission One-piece Brake Bikes - Bicycle Derailleur - AliExpress 1pcs Mtb Bike Gear Shifter Set 3x8 24speed Mountain Bicycle Variable Speed Governor Transmission One-piece Brake Bikes - Bicycle Derailleur - AliExpress](https://ae03.alicdn.com/kf/H19834106cd0942d2ba89268469a077b5v.jpg)
1pcs Mtb Bike Gear Shifter Set 3x8 24speed Mountain Bicycle Variable Speed Governor Transmission One-piece Brake Bikes - Bicycle Derailleur - AliExpress
![Buy GUB Bike Shifter Bicycle Gear Shifter Bike Derailleur Flywheel Chain Aluminum Alloy Good Hardness High-strength 12 Speed Bike Parts at affordable prices — free shipping, real reviews with photos — Joom Buy GUB Bike Shifter Bicycle Gear Shifter Bike Derailleur Flywheel Chain Aluminum Alloy Good Hardness High-strength 12 Speed Bike Parts at affordable prices — free shipping, real reviews with photos — Joom](https://img.joomcdn.net/16d6d91256e253a9d53515248639fff7a7035f46_original.jpeg)