Shimano
Shiano Dura Ace Wheelset WH-R9270-C60-HR-TL Front a Rear Pair
This is a high-end carbon wheelset from Shimano's Dura-Ace R9200 series, designed specifically for disc-brake road bikes. The model code breaks down as follows: WH (wheel), R9270 (Dura-Ace series), C60 (60mm deep rim profile), HR (high rigidity), TL (tubeless-ready). It's optimized for time trials, triathlons, criteriums, and flat, high-speed courses, emphasizing aerodynamic efficiency and enhanced lateral stiffness for better power transfer during sprints and cornering.
Key Specifications
| Feature | Details |
|---|---|
| Wheel Type | Tubeless-ready clincher (TL), includes tubeless tape; no storage bag included |
| Spoke Count | Front: 24H; Rear: 24H (with OPTBAL 2:1 spoke pattern on front for balanced tension and rigidity) |
| Rim | 60mm deep carbon, wind-tunnel-tested D2 profile (reduces drag at 0-15° yaw angles); internal width ~21mm (suitable for tires up to 32mm) |
| Hubs | Front: 12mm E-Thru thru-axle; Rear: 12mm E-Thru thru-axle, Direct Engagement aluminum freehub |
| Compatibility | 12-speed cassettes only; disc brake (Center Lock rotor mount); replaces older 100mm front / 142mm rear quick-release standards |
| Axle Spacing | Front: 100mm x 12mm; Rear: 142mm x 12mm |
| Weight | ~1,550g (wheelset; approximate, varies by source) |
| Application | Road racing, time trials, triathlons; ideal for flatter terrains |
| UPC | 192790890944 |
| Color | Typically black (series color) |
Performance Highlights
- Aerodynamics: The deep-section rim with D2 profile minimizes air resistance, providing stability at high speeds.
- Rigidity: Increased by ~20% over previous models via stiffer 1.8mm spokes (vs. 1.5mm), optimized hub design, and the "HR" high-rigidity construction—perfect for aggressive sprinting and handling.
- Durability & Comfort: OPTBAL spoke system balances tension to reduce breakage risk; vertical compliance absorbs road vibrations for better control.
- Tubeless Setup: Pre-taped for easy conversion; supports lower pressures for improved traction and reduced rolling resistance.
This wheelset pairs seamlessly with Shimano Dura-Ace Di2 electronic shifting and hydraulic disc brakes. It's praised by pro athletes for its responsiveness and speed.
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