• DURABLE & LIGHT: The Pulleys are made of 7075 aluminium alloy, making them incredibly tough with the benefit of being very lightweight
• REAR DERAILLEURS: These aluminium jockey wheels make your chain roll incredibly smoothly over the 11-teeth pattern
• MULTI-COMPATIBLE: The derailleur jockey wheels are suitable for use with Shimano, SRAM and Campagnolo systems with 9- 10- and 11-speed
• QUICK SHIFTING PERFORMANCE: The AluBoys derailleur jockey wheels let you shift gears at the speed of light thanks to their extra stiff build
• ULTRA SMOOTH: High-quality sealed ceramic bearings make for exceptional smoothness and durability

• 11T
• High quality aluminium derailleur pulleys with ceramic bearings
• Extra stiff for fast shifting
• High-quality sealed ceramic bearing, Super smooth and durable

Compatible With: Shimano 9, 10 & 11 speed (except RD-7900 & 7970), Mega Range; SRAM X0, X9, X7, Apex, Rival, Force, Red (>2011) and Campagnolo 11 speed

Made Of: Aluminium