![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?width=640&crop=smart&auto=webp&s=fbb8ff02dd8ddd0d6097b070075bce0a67d8a9f8)
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
![Shimano Cassette Spacer Cassette Spacer Alliage D'aluminium 3 Pcs 1Mm 1.5Mm 2Mm Moyeu De Volant De Vélo Spacerycle Pédalier Essieu Rondelle Joint : Amazon.fr: Sports et Loisirs Shimano Cassette Spacer Cassette Spacer Alliage D'aluminium 3 Pcs 1Mm 1.5Mm 2Mm Moyeu De Volant De Vélo Spacerycle Pédalier Essieu Rondelle Joint : Amazon.fr: Sports et Loisirs](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51EIUh0uNNL._AC_UF1000,1000_QL80_.jpg)
Shimano Cassette Spacer Cassette Spacer Alliage D'aluminium 3 Pcs 1Mm 1.5Mm 2Mm Moyeu De Volant De Vélo Spacerycle Pédalier Essieu Rondelle Joint : Amazon.fr: Sports et Loisirs
![Shimano CS-7700 Cassette Sprocket Spacer (2.56-mm 9 Speed) by Shimano : Amazon.fr: Sports et Loisirs Shimano CS-7700 Cassette Sprocket Spacer (2.56-mm 9 Speed) by Shimano : Amazon.fr: Sports et Loisirs](https://m.media-amazon.com/images/I/71XbyE3vW1L._AC_UF1000,1000_QL80_.jpg)