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: 2×12 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)