| Model | FC-R8000 |
| Reference supplier | IFCR8000EX26 |
| Type | Double |
| Denture plateau | 52/36 dents |
| Longueur manivelle | 175 mm |
| Entraxe BCD (Ø fixation en mm) | 110 |
| Nombre de branches | 4, asymétriques |
| Number of compatible speeds | 11, 2x11 |
| Type d'axe | Traversant, 24 mm |
| Q factor | 146 mm |
| Ligne de chaîne | 43,5 mm |
| Largeur boitier / longueur axe | 68 / 70 mm |
| Main colour | Black |
| Technologie | Hollowtech, Hollowtech II |
| Weight in grams | 681 |
ULTEGRA FC-R8000
2x11 speed
Chainrings: 52-36 teeth / 4 spokes
BCD (center distance): 110 mm asymmetrical
Cranks: 175mm
Axle: Hollowtech II (Ø 24mm)
Chainline: 43.5mm
Q factor: 146mm
Weight: 681g