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SHIMANO Acera SL-M310 Rapid fire Shift Lever 3X7 3X8 Speed Shifter Sets W/Cable | eBay
Shimano Acera SL-M310 Rapid fire Shift Lever 3x7-Speed Shifter Cable Set Trigger
Amazon.com: SHIMANO ST-EF500-4 Bicycle Shift/Brake Lever Set - 3 x 7 Speed, EZ-Fire Plus, 4F-Alloy, for V-Brake - Black - ESTEF5004PV7A3 : Sports & Outdoors
Shimano Acera SL-M310 Rapid fire Shift Lever 3/7/8 Speed Shifter Cable Trigger | eBay
Amazon.com : JKSPORTS SHIMANOAcera SL-M310 Rapid Fire Shifter SL-M310 M315 MTB Bike Shifter Lever 3/7/8 Speed (M315 2/7 Speed) : Sports & Outdoors
shifting - Shimano 7 speed with click shift not enough range. Can only get 4 of 7 gears - Bicycles Stack Exchange