Shimano RevoShift 7 Speed Right Twist Shifter - Taobao
Shimano SIS SL-RS25 Revoshift Twist Shifter 3x6-speed Right & Left shift | eBay
Amazon.com: ZUKKA Revoshift 6 Speed Shimano Right Shift Lever SL-RS35-6R Bicycle Twist Shifter Lever Mountain Bike Commuter Bike Folding Bike : Sports & Outdoors