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, 10 things, 8mm
How to upgrade almost any 10speed wheel to work with 11speed: 7 tips tricks and hacks - YouTube
Lasco Concept turns out 11 speed cassettes to fit your 10 speed wheels - Bikerumor
Spacer thickness for 11 speed hub to 10 speed | Road Bike, Cycling Forums
Cassette How-To - Part 2 - Slowtwitch.com
Convert 10-speed wheels to 11-speed - CycleTechReview