![Amazon.com : Wheels Manufacturing Cassette Spacer Converts 8/9 Speed Hub to 7 Speed, Bag of 5 : Bike Cassettes And Freewheels : Sports & Outdoors Amazon.com : Wheels Manufacturing Cassette Spacer Converts 8/9 Speed Hub to 7 Speed, Bag of 5 : Bike Cassettes And Freewheels : Sports & Outdoors](https://m.media-amazon.com/images/I/41q7k9CASBL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Wheels Manufacturing Cassette Spacer Converts 8/9 Speed Hub to 7 Speed, Bag of 5 : Bike Cassettes And Freewheels : Sports & Outdoors
![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/NlWQD.png)
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 maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange](https://i.stack.imgur.com/Ldg5o.png)
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 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)