Shimano Alivio T4000 9 Speed Rear Derailleur Features

• Wide link design increases rigidity and service life
• Alloy body and outer link leads to lower weight without compromising strength and durability
• 11-tooth pulleys for reduced pulley wear and chain noise
• Advanced light action design with low friction fluorine coated link pivot bushings
• For use with 28 to 34 tooth low rear sprockets, total capacity 45 teeth
• Top-normal swing design
• Compatible with 9-speed Hyperglide sprockets
• RRP £49.99