Top Tip: When fitting a 10 Speed Cassette to an 11 Speed Free Hub, you must use a 1mm and 1.8mm Cassette Spacer to ensure ther… | How to run longer, 8mm, 10 things
Bicycle Rear Hub Cassette Body 8 9 10 11 Speed Cassette Freewheel Main Body Compatible Novatec MTB Mountain Bike Hub Parts - AliExpress