cSixx Shimano Ultegra 8100 2x Chainrings kids It's compatible with all frames

It's compatible with all frames

BAA0842A 47/30 Crown Race Reducer

allowing for lower pressure

premium laminated technical fabric to protect your essentials

Recommended for race day and long-distance event use

cSixx Shimano Ultegra 8100 2x Chainrings kids It's compatible with all framesIntroducing 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