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maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange
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Amazon.com : Sunlite Alloy Cassette Spacer, 8 Speed to 7 Speed, 4.0mm : Bike Cassettes And Freewheels : Sports & Outdoors
![Original Shimano IG50 7 Speed Cassette Freewheel 7/21 Speed MTB Mountain Bike Road Bicycle Folding Bike 7/8 Speed Hub Flywheel - AliExpress Sports & Entertainment Original Shimano IG50 7 Speed Cassette Freewheel 7/21 Speed MTB Mountain Bike Road Bicycle Folding Bike 7/8 Speed Hub Flywheel - AliExpress Sports & Entertainment](https://ae01.alicdn.com/kf/HTB10NAMN3HqK1RjSZJnq6zNLpXal/Original-Shimano-IG50-7-Speed-Cassette-Freewheel-7-21-Speed-MTB-Mountain-Bike-Road-Bicycle-Folding.jpg_640x640.jpg)
Original Shimano IG50 7 Speed Cassette Freewheel 7/21 Speed MTB Mountain Bike Road Bicycle Folding Bike 7/8 Speed Hub Flywheel - AliExpress Sports & Entertainment
![maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange](https://i.stack.imgur.com/wsWNs.jpg)