• WIDELY COMPATIBLE: The derailleur jockey wheels are suitable for use with Shimano, SRAM and Campagnolo systems with 9- 10- and 11-speed
• DURABLE: The Pulleys are made of a composite material provided by EMS Swiss, with 40% glass-fiber mixture
• ULTRA SMOOTH: The jockey wheels have low-friction ceramic bearings with oil lubrication for an exceptional smoothness and durability
• QUICK SHIFTING PERFORMANCE: The RollerBoys derailleur jockey wheels make shifting gears a breeze thanks to the 11-teeth pattern
• BUSHINGS INCLUDED: The derailleur jockey wheels come with a complete set of bushings for different shifting systems

• 11T
• RollerBoys equipped with low friction ceramic bearings for ultra-smooth glide and exception durability
• Special teeth pattern for quick shifting performance
• Lubricated with special light oil for extra smoothness
• Composite material provided by EMS Swiss, with 40% glass-fibre mixture
• Complete set of bushing for different shifting systems included

Compatible With: Shimano 8, 10 & 11 speed/Mega rAnge, SRAM X0, X9, X7, Apex, Rival, Force and Red (>2011) and Campagnolo 11 speed

Made Of: Grivory EMS