SHIMANO Ultegra FC-R8100 Hollowtech II Crankset 2/12-speed

SHIMANO’s Ultegra Hollowtech II FC-R8100 crankset stands out for optimal power transfer and precise shifting. The high stiffness, thanks to wide, hollow forged crank arms and the 4-arm design, will help you optimally transform power into speed.


Details:
• Crankset with integrated axle
• Hollow forged aluminium crank arms
• High stiffness and low weight thanks to 4-arm design

Technical details:
• Intended use: Road bike
• Series: Ultegra
• Model: FC-R8100
• Material crank arms: aluminium (hollow)
• Material chainring: aluminium/composite (large), aluminium (small)
• Gears: 2x12 speed
• Axle: Hollowtech II
• For a shell width of: 68 / 70 mm
• Bolt circle: 110 mm/ 80 mm (asymmetric)
• Chainline: 44.5 mm
• Q factor: 148 mm
• Weight: approx. 700 g (170 mm, 50-34)

Available in gear ratios:
• 50 - 34 teeth
• 52 - 36 teeth
Please indicate your choice.


Available with crank arm length:
• 165 mm
• 170 mm
• 172.5 mm
• 175 mm

Please indicate your choice.

Recommended bottom bracket:
• BSA/Italian: SM-BBR60 (prod. code: 1955804)
• Pressfit SM-BB72 (prod. code: 1955813)

Recommended chain:
• CN-M8100 (prod. code: 2286358)

In the box:
• 1 SHIMANO Ultegra FC-R8100 crankset 2/12-speed (WITHOUT bearing cups)



Manufacturer: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com
Responsible person: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, Netherlands, www.shimano.com