The elegant shape and the chic finish round off the overall high-quality impression of this Shimano FC-RS520 2 x 12-speed 2-PIECE crankset. Matches the new 105 Di2 R7100 group.

The next-generation SHIMANO 105 featuring Di2 draws on the design philosophy The Science of Speed bringing fresh momentum, comfort and control. It lets you embrace an open road, full of infinite possibilities. Go deeper into your journeys. See the world in a fresh new way. And enjoy the gift of each new day.

The new SHIMANO 105 brings Di2 shifting to a new set of riders. For those who have only experienced mechanical shifting and ergonomics, SHIMANO 105 Di2 represents a transformation of the road cycling experience. With function and technologies inherited from DURA-ACE and ULTEGRA, SHIMANO 105 is the culmination of years of research and development. With a shared Di2 platform, sophisticated ergonomics, SHIMANO 105-optimized gear combinations, and an exceptional brake system, the new SHIMANO 105 marks a new era of affordable performance.

Features

• Affordable and high-end style crankset
• 4-arm crankset for 12-speed drivetrain
• Compatible with frames of O.L.D. 135mm and 410mm chainstay length
• 2-PIECE CRANKSET

Specification

• Use: Road
• Group: 105 Di2 R7100
• Model: FC-RS520
• Gradation: 50-34T
• Q-factor: 150mm
• Threaded BB shell width: 68 / 70mm
• Gear front: 2-speed 
• Gear rear: 12-speed
• Construction: 2-PIECE
• Compatible chain: CN-M7100 HG 12-speed
• PCD: 110mm
• Chain line: 44.5mm

Crank arm length

• 165mm
• 170mm
• 172.5mm
• 175mm

Material

• Crank arm: Aluminum Anodized
• Crank axle: Steel Plated
• Large Chainring: Aluminium / Resin
• Small Chainring: Aluminium