Serenade SR278C Rear And Front 20 Holes Road Bicycle Disc Brake Hub For Carbon Fiber Spokes
Price range: $139.00 through $149.00
Serenade SR278C hubs, carbon fiber spoke hubs, 20-hole road disc hubs, ultralight disc brake hubs, T-head carbon spoke hubs.
89g front hub road bike, 192g rear hub, wide carbon spokes 5.2mm, HG XDR MS freehub
Engineered for the Carbon Spoke Revolution
The Serenade SR278C is not just another road hub; it is a specialized platform designed to harness the tension and stiffness of carbon fiber spokes. With a 20-hole configuration and a precision-drilled flange for T-head spokes, this hub supports ultra-wide aero profiles up to 5.2mm.
Precision Internals & Bearing Specs
We use high-load, low-friction 2RS sealed bearings to ensure longevity in all weather conditions.
Front Hub: Utilizes dual 6803 2RS bearings for a stiff, smooth-spinning interface.
Rear Hub: A robust 4-bearing setup featuring 15267 2RS (x2) and 6802 2RS (x2) to balance axle weight and drive-side torque.
Performance Weights
Front (100x12mm): 89g
Rear (142x12mm): 192g
Total Set Weight: 281g — Placing it among the lightest disc-brake hub systems available for carbon spoke builds.
Specifications Table
| Feature | Serenade SR278C Details |
| Material | CNC-Machined 7075 Aluminum |
| Spoke Interface | T-Head (Drilled for Carbon Spokes) |
| Max Spoke Width | 5.2mm (Extra-Wide Aero Compatible) |
| Hole Count | 20H Front / 20H Rear |
| Front Hub Bearings | 6803 2RS x 2 |
| Rear Hub Bearings | 15267 2RS x 2 + 6802 2RS x 2 |
| Freehub Options | Shimano HG / SRAM XDR / Shimano MS (MSR) |
| Axle Standard | 100x12mm (F) / 142x12mm (R) |
| Spokes length | Front 280 + 282mm, rear 282mm + 280mm, 50mm rims |
| Total Weight | 281g (Set) |
| Weight | 0.5 kg |
|---|---|
| Dimensions | 20 × 20 × 15 cm |
| Hub |
Shimano HG ,Sram XDR |
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Packaging Specifications
All products are secured in heavy-duty, 5-ply double-wall corrugated fiberboard containers. With a total thickness of 5mm, these reinforced cartons offer superior structural integrity and high compression resistance to ensure product safety during transit.
Dimensional Data & Weight:
Bicycle Rims (2 units): 68 x 10 x 68 cm | 2 kg
Bicycle Wheelset (1 pair): 84 x 20 x 68 cm | 4 kg
Bicycle Wheelsets (2 pairs): 84 x 35 x 68 cm | 7 kg
Logistics Optimization: Please be advised that the shipment of two pairs of wheelsets yields the most favorable freight-to-weight ratio, providing a more economical shipping solution.
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