Shimano crankset Ultegra FC-R8000 50-34T. 172.5 mm
Shimano crankset Ultegra FC-R8000 50-34T. 172.5 mm is backordered and will ship as soon as it is back in stock.
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Manufacturer's specifications
Manufacturer's specifications
Shimano Europe B.V.
High Tech Campus 925656 Eindhoven
DE
E-Mail: info@shimano.com
Tel: 31402612222
Shimano Europe B.V.
High Tech Campus 925656 Eindhoven
DE
E-Mail: info@shimano.com
Tel: 31402612222
Description
SPECIFICATIONS
- Range of use: Road, Cyclocross
- Compatibility: Shimano 2x11-speed
- Chainring mounting: 110 mm bolt circle, 4-arm asymmetrical
FEATURES
- optimized, lightweight crank arm design for excellent power transmission efficiency
- revised chainring tooth profile increases the distance to the chain for more compatibility with 135 mm installation width and 410 mm chainstay length
- Anodized crank arms and chainrings
- Aluminium chainring bolts
TECHNICAL DATA
Series | Ultegra R8000 |
Crank arm material | Aluminium |
Material chainrings | Aluminium / CFRP |
Material axle | Steel |
Gradation | 34-50 |
Crank arm length | 172,5 mm |
Chainline | 43.5 mm |
Q-factor | 146 mm |
Axle diameter | 24 mm (Hollowtech II) |
Compatible case width (with BSA bottom bracket) | 68 mm |
Bottom bracket (recommended) | SM-BBR60 or SM-BBR60-PB Pressfit Hollowtech II (must be ordered separately) |
Chain (recommended) | HG-EV 11-speed, HG-X11 (e.g. CN-HG701-11) |



