A refined spacer tube design cuts weight by 10% and streamlines installation on T47 threaded frames

engineered to excel on the steepest climbs

creating better symmetry with the opposing spokes

The flattop design reduces weight while maintaining exceptional strength and durability

The 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

4161 mechanism stow away gilet aop light brown category_BASE LAYERS A refined spacer tube designSuited to early morning rides and cold descents, this lightweight gilet is easily packable in a back pocket. Constructed from a new C0 DWR treated Japanese Nylon, the gilet offers optimal wind protection and will withstand the occasional shower. The signature two way zipper makes it easy to adjust for ventilation or protection on the bike.