![Issue with rear hub: installed an 11-speed cassette. Noticed it was loose after tightening. Took to bike shop. They added 2 spacers to eliminate rattle of the cassette. Now the smallest gear Issue with rear hub: installed an 11-speed cassette. Noticed it was loose after tightening. Took to bike shop. They added 2 spacers to eliminate rattle of the cassette. Now the smallest gear](https://preview.redd.it/issue-with-rear-hub-installed-an-11-speed-cassette-noticed-v0-fybte47udgca1.jpg?auto=webp&s=46dec76e599d29b01a8cd7184e359c3580db5cf4)
Issue with rear hub: installed an 11-speed cassette. Noticed it was loose after tightening. Took to bike shop. They added 2 spacers to eliminate rattle of the cassette. Now the smallest gear
![9 Speed Cassette Washer | Freehub Gasket | Hub 12 Speed | Hub Washer | Bicycle Hubs - Hub - Aliexpress 9 Speed Cassette Washer | Freehub Gasket | Hub 12 Speed | Hub Washer | Bicycle Hubs - Hub - Aliexpress](https://ae01.alicdn.com/kf/S0b2888f4cf5644f0a976642c4ba12f621/Hub-Washer-For-7-8-9-10-11-12-Speed-Cassette-Flywheel-Spacer-Bike-1-1.jpg)
9 Speed Cassette Washer | Freehub Gasket | Hub 12 Speed | Hub Washer | Bicycle Hubs - Hub - Aliexpress
![Replacing friend's cassette. Found spacer. Is a 10 speed cassette. Don't know if it is 11 speed hub. Do I keep or throw? : r/bikewrench Replacing friend's cassette. Found spacer. Is a 10 speed cassette. Don't know if it is 11 speed hub. Do I keep or throw? : r/bikewrench](https://preview.redd.it/9sj3p1q1iex71.jpg?auto=webp&s=b7d6d2645f912ada05a103a1ef5e5b95ccd34458)