DURA-ACE C40 - Carbon - Tubeless - Disc Brake - 12 mm Thru Axle - CENTER LOCK - Rear Wheel
The most versatile in the DURA-ACE wheel lineup, the C40 is the perfect blend of light weight and aerodynamics. The 40 mm ultralight carbon rim is fast and stable in the windiest of conditions. The C40's stiff construction makes it the choice of ProTour sprinters and climbers alike.
- Best all-round wheelset
- Balanced low inertia & aerodynamics
- Responsive acceleration
- Improved drive rigidity
- OPTBAL spoke system
- Lightweight within rigid
- Road E-THRU 12 mm
- Ultra-light full carbon rim
- Disc brake system
- CENTER LOCK
TECHNOLOGIES
PRODUCT SPECIFICATIONS
| MODEL NO | WH-R9170-C40-TL-R12 |
|---|---|
| SERIES | DURA-ACE R9100 Series |
| Color | Series color |
| Average weight | 883 |
| Remarks | * The adapter is needed to use 10-speed cassette sprocket |
|---|---|
| Brake type | CENTER LOCK disc brake |
| Axle fixing method | 12 mm E-THRU |
| O.L.D. (mm) | 142 |
| OPTBAL | ✔ |
| Rear speeds | 10*/11 |
| Axle_Fixing method | 12 mm E-THRU |
| Thru Axle (Length x Inner diameter ; mm)_142 x 12 | ✔ |
| Bearing_Cone | CBN finish |
| Bearing_Cup | CBN finish |
| Bearing_Stainless ball | ✔ |
| Brake Type | CENTER LOCK disc brake |
| Compatible spoke protector | CP-W1460 |
| Disc mount_140 mm Disc brake rotor compatible | ✔ |
| Disc mount_CENTER LOCK | ✔ |
| Front/Rear | Rear |
| Grease holding function | ✔ |
| O.L.D. (mm) | 142 |
| OPTBAL (2:1) | ✔ |
| Rear speeds | 10 */11 |
| Reflector_AS | CATEYE RR-550-WUA SW |
| Reflector_DIN | CATEYE RR-317-WUA SW |
| Reflector_JIS/CPSC | CATEYE RR-550-WUW SW |
| Rim_Height (mm) | 37 |
| Rim_Requires rim tape | ✔ |
| Rim_Width (mm) | 24 |
| Seal_FREEHUB body | Contact |
| Seal_Hub | Contact |
| Spokes_Bladed | ✔ |
| Spokes_Butted | ✔ |
| Spokes_Number | 24 |
| Tire_Recommended size | 23-622 - 32-622 |
| Tire_Type | Tubeless |
| Wheel Size | 622 x 17C |
| Spokes_Straight spoke | ✔ |
SERIES LINE-UP
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Front Derailleur SHIMANO DURA-ACE Front Derailleur (Clamp Band Mount) 2x11-speed
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Front Derailleur SHIMANO DURA-ACE Front Derailleur (Brazed-On Mount) 2x11-speed
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Front Derailleur Adapter DURA-ACE DI2 Front Derailleur Clamp Band Adapter 28.6/31.8 mm
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Front Derailleur Adapter DURA-ACE DI2 Front Derailleur Clamp Band Adapter 34.9 mm
