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| Variant | SKU | Barcode |
|---|---|---|
| 165mm / 50/34 | 4524667741831 | 4524667741831 |
| 170mm / 50/34 | 4524667741725 | 4524667741725 |
| 172.5mm / 50/34 | 4524667741480 | 4524667741480 |
| 175mm / 50/34 | 4524667741534 | 4524667741534 |
| 165mm / 52/36 | IFCR9100AX26 | 4524667741626 |
| 170mm / 52/36 | IFCR9100CX26 | 4524667741718 |
| 172.5mm / 52/36 | IFCR9100DX26 | 4524667741787 |
| 175mm / 52/36 | IFCR9100EX26 | 4524667741817 |
| 165mm / 53/39 | 4524667741763 | 4524667741763 |
| 170mm / 53/39 | 4524667741770 | 4524667741770 |
| 172.5mm / 53/39 | 4524667741633 | 4524667741633 |
| 175mm / 53/39 | 4524667741893 | 4524667741893 |
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The choice of the world's best climbers, sprinters, and time trialists, the DURA-ACE R9100 crank drops weigh while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options.
Specifications
Lengths: 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm
Combinations: 55-42T, 54-42T, 53-39T, 52-36T, 50-34T
Chainline: 43.5mm
Q-Factor: 146mm
Hollowtech II spindle
Mfr Claimed Weight
614g (50-34T)