cSixx Shimano Ultegra 8100 2x Chainrings kids We've done this by upgrading

We've done this by upgrading the aluminium grade from 6061 to 7075

Multi-Shifting technology

BAA0842A 47/30 Crown Race Reducer

7 x 9 mm (High Oval)Material: Carbon

Incorporating LOOK's patented Blade technology into an aerodynamically optimized carbon body

cSixx Shimano Ultegra 8100 2x Chainrings kids We've done this by upgradingIntroducing 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