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.
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FEATURE
- OPTBAL spoke system
- Road E-THRU 12 mm
- Ultra-light full carbon rim
- CENTER LOCK
BENEFIT- Best all-round wheelset
- Balanced low inertia & aerodynamics
- Responsive acceleration
- Improved drive rigidity
- Lightweight within rigid
- Disc brake system
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 |
| Axle_Thru Axle Length x Inner Diameter (mm)_142x12 | ✔ |
| 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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Brake DURA-ACE Hydraulic Disc Brake Rear Caliper
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Brake DURA-ACE Hydraulic Disc Brake Front Caliper
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Thru Axle SHIMANO 100x12 mm E-THRU 121 mm Axle Road Front
