Shimano TX30 3/7 21 Speed Mountain Bike Thumb Gear Shifters Shift Lever Black | eBay
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Shimano TX50 MTB Mountain Bike Shifter 7 Speed Shift Lever - Right – SCSpecial
Amazon.com: ZUKKA Revoshift 7 Speed Shimano Right Shift Lever SL-RS35-7R Bicycle Twist Shifter Lever Mountain Bike Commuter Bike Folding Bike : Sports & Outdoors