making it compatible with both 1x and 2x drivetrains

Essential Insulated Jacket – Lightweight Warmth for Cooler Rides

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

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

shimano dura ace fc r9200 40t 12 speed inner chainring Tube making it compatible with bothThe 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.