SHIMANO Ultegra crankset 2x FC-R8100 46 | 36 teeth
The Ultegra FC-R8100 crank not only converts your pedal power into propulsion, with its high rigidity it also ensures extremely fast and precise shifting. The high shifting precision is supported by the optimized chainring design.To keep the weight low, the Japanese continue to rely on the proven Hollowtech II design of the crank arms. The crank is available in lengths from 160 to 175 millimetres.
Technical data
Area of application: Road bike
Crank arm material: Aluminum
Spider material: Aluminum
Crankshaft material: Steel
Crankshaft diameter: 24 mm
Crank lengths: 160; 165; 170; 172.5 or 175 mm
Bolt circle diameter: 110 mm
Spider: 4-arm, asymmetrical
Chainring gradation: 46-36 teeth
Chainring bolts: aluminum
Chainline: 44.5 mm
Q-factor: 148 mm
Bottom bracket compatibility: BSA, ITA, BB30, BB92 and others (optional, not included)
Chain compatibility: Shimano CN-M9100 12-speed, CN-M8100 12-speed
Rider weight: n/a
Finish: matt
Color: grey
Weight according to manufacturer: 700g (50-34 teeth)
Weight self-weighed:
Scope of delivery: 1x Ultegra FC-R8100 crankset 46 | 36 teeth, without bottom bracket