Elevate your ride with the AERO System, where efficiency meets aerodynamics! Our state-of-the-art 14-Tooth / 18-Tooth pulley wheel combination sets the standard for strength, durability, and…
Experience the pinnacle of efficiency and aerodynamics with our AERO System—the preferred choice for performance enthusiasts! With a specialized 14-Tooth / 18-Tooth pulley wheel combination, the AERO…
Unlock next-level performance with the Speed System, featuring a 14-Tooth / 18-Tooth pulley wheel combination that sets the standard for strength, durability, and efficiency. Eliminate drivetrain…
Discover the next level of drivetrain performance with the Speed System, utilizing a powerful 14-Tooth / 18-Tooth pulley wheel combination that leaves competitors behind. Enjoy reduced friction…
Transform your ride with RollerBoys 12x12T Ceramic derailleur pulleys, the pinnacle of cycling innovation by EMS Swiss. Made from a superior composite material enhanced with a 40% glass-fibre blend,…
Elevate your cycling game with RollerBoys 12x12T CrMo derailleur pulleys! Made from an advanced composite material with a 40% glass-fibre blend by EMS Swiss, RollerBoys offer unparalleled durability…
Embrace unparalleled cycling comfort with Rollerboys, ensuring an uninterrupted ride that'll have you cruising ceaselessly! Forged from resilient composite material, these pulley wheels embody…
Elevate your biking adventure with Rollerboys Ceramic, transforming your rides into ceaseless moments of seamless motion. Engineered from durable composite components, the unique tooth design…
RollerBoys Ceramic Derailleur Pulleys These boys will keep you rolling forever! The Rollerboys will make your bike ride so smooth that you will never stop anymore! The composite material is strong…
Built for minimal drag and maximum durability, this lightweight choice optimizes drivetrain performance. Part Number: HJW001:N, HJW002R, HJW001:C, HJW001:R, HJW001:S, HJW001:PU, HJW002S, HJW002B,…