Shimano 105 Double Chainset R7100 12 Speed 50/34 172.5mm cranks HollowTech II

Engineered for the best combination of durability, rigidity and low weight performance, this 12 speed chainset is ideal for pairing up with the rest of the Shimano 105 Di2 groupset. Featuring a hollow aluminium crankarms with an anodised finish, it delivers extra protection against wear and corrosion as you conquer every mile on your road bike. Another benefit is the resin ribs on the back of this model's chainrings, which use Shimano 105's unique structural design to achieve further weight savings and crisp shifting performance. - Manufacturers part number: IFCR7100DX04

• Durable and strong
• Comfortable product
• Black