Shimano Ultegra FD-6603 BM Front Gear Mech Derailleur Bottom Pull 31.8mm For 8 9 & 10 Cassette i.e. 24 27 Or 30 Speed

• Shimano Ultegra FD-6603BM bottom pull front derailleur
• Designed for triple chainwheel systems where the top ring has up to 52 teeth ( no more )
• 22 teeth capacity
• Light action spring that reduces effort needed to change gear
• Can be used with 9 and 10 speed shimano gear systems with triple chainsets i.E. 27 or 30 speed
• Alloy clamp and body
• Steel cage
• Band size 31.8mm which means the size your seat tube on you bike needs to be 31.8mm