Description
SHIMANO ULTEGRA – HOLLOWTECH II – Road Crankset – 2×11-speed
The all-new SHIMANO ULTEGRA R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames. It is available with 53-39, 52-36, 50-34, and 46-36T chainrings and 165, 170, 172.5, and 175mm crank arm lengths.
FEATURES
PRODUCT SPECIFICATIONS
| MODEL NO | FC-R8000 |
|---|---|
| SERIES | ULTEGRA R8000 Series |
| Color | Series color |
| Average weight | 668 (46-36T) 674 (50-34T) 681 (52-36T) 690 (53-39T) |
| Rear speeds | 11 |
|---|---|
| Compatible chain | LINKGLIDE, HG 11-speed |
| Chain line (mm) | 43.5 |
| P.C.D. left / right (mm) | 110 |
| P.C.D. (mm) | 110 |
| Spider/gear arms | 4 |
| Chainring combination | 46-36T, 50-34T, 52-36T, 53-39T |
| Q-factor (mm) | 146 |
| Crank arm length (mm)|165 | ✔ |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|172.5 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| HOLLOWTECH II | ✔ |
| HOLLOWTECH crank arm | ✔ |
| HOLLOWGLIDE | X, – (46-36T) |
| Compatible bottom bracket type|Outboard | ✔ |
| Recommended bottom bracket|Threaded (normal) | SM-BBR60 |
| Recommended bottom bracket|Press-Fit | SM-BB72-41B |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|70 | ✔ |
| Crank fixing screw included | ✔ |
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