cSixx Shimano Ultegra 8100 2x Chainrings Size:54/40 Even during maximal efforts up

Even during maximal efforts up a climb or racing a friend

Fastest ever front shifting - 45% faster than FD-R9150

Waterproof laminates and no-rattle heat-shrink YKK® Aquaquard zippers stop the weather from ruining your cargo

The ultra-reliable freehub system transfers the highest pedaling loads resulting in direct power transmission

this double saddle bag is also designed to enhance visibility in low light conditions

cSixx Shimano Ultegra 8100 2x Chainrings Size:54/40 Even during maximal efforts upIntroducing our new 2X Chainring a premium upgrade designed specifically for 110mm Shimano Groupsets, merging cutting edge engineering with precision craftsmanship to deliver outstanding performance. Constructed from high strength 7075 T6 CNC machined aluminum, this chainring balances stiffness and weight, offering a robust solution without adding unnecessary bulk. Our meticulous, iterative development process has led to an advanced shift ramp design