Elevate your cycling game with RollerBoys 12x12T Ceramic derailleur pulleys. Crafted with precision by EMS Swiss from a high-performance composite material and a 40% glass-fibre blend, RollerBoys promise unmatched durability and efficiency. Featuring sealed bearings lubricated with premium ceramic oil and protected by a sleek aluminium cover, these pulleys ensure lower resistance and optimal long-term performance. Perfectly compatible with 12-speed SRAM road groupsets, RollerBoys guarantee a smoother, more precise ride. Upgrade your bike with RollerBoys and experience the difference!

Features:

• 12x12T Ceramic derailleur pulleys.
• High-performance composite material from EMS Swiss with 40% glass-fiber blend.
• Sealed bearings with aluminium cover for optimal durability.
• Specially lubricated with ceramic oil for lower resistance.
• Compatible with 12-speed SRAM road groupsets.