THE SCIENCE OF SPEED: Shimano Ultegra 2×12-speed Crank FC-R8100

Great speed means great responsibility. That’s why, faced with the task of making the new ULTEGRA groupset even faster, Shimano decided to take a holistic and 100% performance-focused approach. Shimano’s new 12-speed road groupset delivers unparalleled control and comfort anytime, anywhere – whether you’re competing in an amateur race, chasing your personal best, or out for a social ride. That is “Science of Speed”. And it’s what sets SHIMANO apart from the rest.

The lightweight ULTEGRA FC-R8100 crankset is a key component in SHIMANO’s new 12-speed road cycling range and represents SHIMANO’s legendary tradition of fast and precise shifting and efficient power transmission. Crank arms are available in lengths from 160 mm up to 175 mm, so that smaller riders can now also benefit from their flawless performance. Chainring options include 52-36T and 50-34T.

Features – Shimano ULTEGRA FC-R8100 12-speed Crank 52/36

• HOLLOWTECH II crankset
• Optimum power transfer Best balance for lighter weight and efficiency
• New designed crank arm
• Maintains high rigidity and reduces weight
• 4-arm construction crankset
• Iconic design

Product features

• Use: Road
• Group: Ultegra R8100
• Model: FC-R8100
• Gradation: 52-36T
• Q-factor: 146mm
• Threaded BB shell width: 68 / 70mm
• Gear front: 2-speed
• Gear rear: 12-speed
• Construction: Hollowtech II
• Compatible chain: CN-M8100 HG 12-speed
• PCD: 110mm
• Chain line: 43.5mm

Crank arm length (choose variant)

• 160mm
• 165mm
• 170mm
• 172.5mm
• 175mm

Material

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

Color

• Series color