The distance ring IMZ-8.128-05520 can be installed instead of the distance ring IMZ-8.107-05520, if the Splined Sleeve IMZ-8.128-05516-10 is installed on the motorcycle. If the motorcycles are made until 2012 m.y. and has installed splined sleeve IMZ-8.107-05516, then you need to use only the distance ring IMZ-8.107-05520. If motorcycles are made until 2012 m.y., you can install the splined sleeve IMZ-8.128-05516-10 together with the distance ring IMZ-8.128-05520.