Shimano's top of the range cranks for 2009. Made from forged aluminium, the cranks are hollowed, making them light-weight without comprimising on stiffness.

Main Features

• Reinforced spider
• PCD - 144mm
• Chainrings - 45-55T
• Chain Line - 42.5mm
• Spindle length - 109.5mm
• BB shell width - 68/70mm