Shimano Ultegra FC-R8100 12-Speed Crankset
Ideal for smaller riders or triathletes, this Shimano chainring is light, stiff and strong. It offers quick front shifting for efficiency. Hollowglide technology cuts down on weight.
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- An integral part of the Shimano 12-speed road lineup, this crank offers an improved fit for smaller riders, triathletes and riders with specific biomechanical requirements
- Provides an optimal balance of stiffness, strength, weight and rotational performance
- Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- Compatible with HG 12-speed chains
Imported.
View the Shimano Ultegra Product LineView all Shimano Bike Cranksets| Best Use | Road Cycling |
|---|---|
| Material(s) | Aluminum/steel |
| Weight | 160 MM 52/36 T: 711 grams 165 MM 50/34 T: 700 grams |
| Crankarm Length | 160 MM 52/36 T: 160 millimeters 165 MM 50/34 T: 165 millimeters |
| Q Factor | 148 millimeters |
| Bottom Bracket Compatibility | Shimano Hollowtech II |
| Bolt Circle Diameter | 110 millimeters |
| Chainring Sizes | 160 MM 52/36 T: 52/36T 165 MM 50/34 T: 50/34T |
| Included Components | Chainring |
| Speeds | 12-speed |
| Chainline | 44.5 millimeters |
| Chainring Mount | 4-bolt Asymmetric |
| Number of Chainrings | 2 Chainrings |
| Spindle Diameter | 24 millimeters |
| Crankarm Material | Aluminum |
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