The R92 has been designed explicitly for Dura Ace 9200 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 we have always put into our 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. Specifications Weight: 126g. Speed: 12. Material: Carbon and AL 7075 T6/CNC. PCD: 110....
Best Price: £174.95 from Merlin Cycles