• Ultra Smooth: Low-friction ceramic bearings with oil lubrication make for exceptional smoothness and durability.
• Super Durable: Stronger than regular Nylon materials thanks to a 40% glass-fibre mix.
• Bushings Included: The bike pulleys come with a complete set of bushings for different shifting systems.
• Quick Shifting Performance: The RollerBoys derailleur pulleys make shifting gears a breeze thanks to the 10-teeth pattern.
• Widely Compatible: Suitable for use with Shimano, Campagnolo, and SRAM systems.

• 10T
• RollerBoys equipped with low friction ceramic bearings for ultra-smooth glide and exception durability.
• Special teeth pattern for quick shifting performance
• Lubricate with special ceramic light oil for extra smoothness
• Composite material provided by EMS Swiss, with 40% glass-fibre mixture
• Complete set of bushing for different shifting system included

Compatible With: Shimano 7 & 8 speed; Campagnolo 8, 9 & 10 speed; SRAM 9.0 ('97 & '98), 9.0SL ('98), 7.0 ('97 & '98) and 5.0 ('98 & '99)

Made Of: Grivory EMS