with the Coated version offering an additional metallic coating for increased durability and reduced friction

Featuring windproof Pertex Quantum ripstop fabric and Polartec Alpha insulation

The CeramicSpeed kit comes with 2 threaded cups

The ability to effectively layer is an absolute necessity when cycling throughout the winter

And with the option to add the ultra-durable ALPHA Disc Pulley Wheel

shimano dura ace fc r9200 40t 12 speed inner chainring Tube with the Coated version offeringThe Shimano 12 Speed inner Tooth Dura Ace FC R9200 chainring matches the rest of the Dura Ace groupset and gives you the best shifting performance, weight and performance.