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 g |
| Remarks | * The adapter is needed to use 10-speed cassette sprocket |
|---|---|
| OPTBAL | ✔ |
| Axle_Fixing method | 12 mm E-THRU |
| Thru Axle Length x Inner Diameter | 142 x 12 mm |
| Bearing_Cone | CBN finish |
| Bearing_Cup | CBN finish |
| Bearing_Stainless ball | ✔ |
| Brake Type | CENTER LOCK disc brake |
| Compatible Spoke protector | CP-W1460 |
| Disc mount_140mm Disc rotor compatible | ✔ |
| Disc mount_Center lock | ✔ |
| Front / Rear | Rear |
| Internal grease sleeve | ✔ |
| O.L.D. (mm) | 142 |
| 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 |
SERIES LINE-UP
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Bottom Bracket DURA-ACE Press Fit Bottom Bracket 86.5 mm shell width
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Bottom Bracket SHIMANO DURA-ACE Threaded Bottom Bracket 68/70 mm shell width
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Brake DURA-ACE Dual-Pivot Brake Caliper
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Brake DURA-ACE Direct Mount Front Brake Caliper
