Road Bicycle Hub Center Lock Disc Brake 315g 100x12mm 142x12mm SR315
$95.00
Key Performance Features
36T Star Ratchet Drive System: Experience rapid 10-degree engagement that grabs instantly when you step on the gas. This dual star-ratchet design distributes pedaling forces evenly across large surface areas for superior durability under load compared to traditional pawl systems.
Featherlight 315g Performance: Shaves valuable grams off your rotating hub weight—outperforming many stock hub options by up to 150g per set.
Premium Sealed Stainless Steel Bearings: Outfitted with high-grade, fully sealed cartridge bearings (Front: 6803×2 | Rear: 15267×2, 6802×2) that keep out moisture, mud, and road grime for a silky-smooth spin season after season.
Stiffer Wheel Builds: Features optimized, larger spoke flanges that shorten the overall spoke length, allowing custom builders to create a stiffer, more responsive, and longer-lasting wheel structure.
Streamlined Center Lock Interface: Offers quick, secure, and precise disc brake rotor installation using standard center lock rings.
Technical Specifications
| Feature | Specification |
| Model | Serenade SR315 |
| Total Weight | 315g +/- 10g (Front: 102g | Rear: 213g) |
| Hub Body Material | Precision Machined AL6061-T6 Aluminum |
| Axle Material | High-Tensile AL7075-T6 Aluminum |
| Axle Dimensions | Front: 12 x 100mm Thru-Axle | Rear: 12 x 142mm Thru-Axle |
| Brake Rotor Interface | Center Lock Disc Brake |
| Spoke Configuration | 24 Hole Front / 24 Hole Rear (Standard 14G) |
| Drive Mechanism | 36-Tooth Star Ratchet System |
| Freehub Compatibility | Shimano HG (10-12 Speed) / SRAM XDR (12 Speed) |
| Front Flange P.C.D. | 38 mm (Left/Right) |
| Rear Flange P.C.D. | 47 mm / 45 mm (Left/Right) |
🔧 Wheel Builder Note (ERD Reference): Planning your spoke lengths? For a standard 38mm deep road rim with a 561mm ERD, typical calculated spoke lengths for this hub are 282mm Left / 280mm Right (Drive Side) on the front, and 280mm Left / 282mm Right (Drive Side) on the rear. Always measure your physical rims before cutting or ordering custom spokes.
| Weight | 1 kg |
|---|---|
| Freehhub |
HG ,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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