Publicado Por En julio 27, 2026 The Shimano CS-R8101 Cassette 12 Speed 11-34T Ultegra Road Bike Hyperglide is a high-quality cassette designed for Shimano 12-speed road systems. Made of durable materials such as aluminum carrier and steel cog, this cassette comes in a sleek series color and is compatible with Shimano road freehub/driver type. NOS.