DURA-ACE WH-R9370-D-TL Rear Disc Wheel
Say goodbye to drag with the DURA-ACE WH-R9370-D-TL, a rear disc wheel designed to deliver ultimate aerodynamic efficiency for time trials and triathlons. Its full-disc structure adopts the DURA-ACE series' most sophisticated rim-shape optimization yet, cutting drag and delivering high efficiency over long distances.
The aero profile was refined through more than 30 billion shape simulations, making this the most aerodynamic carbon rim in Shimano wheel history. A hooked tubeless design with a 23 mm internal width keeps tire compatibility broad, while Cup & Cone bearings and a Direct Engagement hub add precision and durability. Pairs with the C99 front wheel for a complete aero setup.
Quick Facts
| Feature | Specification |
|---|---|
| Material Composition | Full carbon fiber disc construction |
| Claimed Weight | 987 g |
| Brake Type | CENTER LOCK disc brake, 140 mm rotor compatible |
| Tire Compatibility | Tubeless, 28–32C recommended |
| Freehub Compatibility | HG spline L2 (Road 12-speed dedicated) |
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