The R81 has been designed explicitly for Ultegra R8100 cranksets, offering the broadest range of chainring options, from 50 to 56 teeth. Both are compatible with Miche R12 inner chainrings as well as original Shimano ones, giving riders different setups. The essence of this chainring lies in its meticulous engineering and the incredible attention to detail Miche have always put into their products: a CNC-machined AL 7075-T6 aluminium plate merges with a structural 3K carbon layer, creating a unique synergy that delivers extreme stiffness, lightness, and top-level responsiveness in power transmission. With X2 RD, it’s not just about pushing harder: it’s about maximizing every single...
Best Price: £174.95 from Merlin Cycles