OVERVIEW
Tailored to complement the streamlined aerodynamics of the Factor OSTRO VAM, the Black Inc 48|58 wheelset not only excels in simulated or wind tunnel assessments but also delivers exceptional performance in real-world riding scenarios. The rim design features a shallower 48mm section for the front and a deeper 58mm section for the rear wheel, enhancing stability in challenging windy conditions. The rim shape contributes to this effect, incorporating a continuously variable rate of curvature to improve stability in crosswinds.
The 23mm internal rim width, paired with the mini-bead hook rim, has been finely tuned for 28mm tubeless and clincher tires. The rims are meticulously laced to high-flange hubs using lightweight and durable carbon fiber spokes, ensuring a remarkably robust and lightweight wheelset.
Weighing in at just 1,250g, the Black Inc 48|58 aero-optimized tubeless clincher wheelset is lighter than most climbing wheels available in the market, making it an excellent choice for riders seeking both performance and efficiency.
SPECIFICATION
| Spokes | 20 Black Inc Straightpull Aero Carbon Spokes |
| Spoke Pattern | 2x/2x |
| Nipples | Black Inc Oversize Internal Alloy Type |
| Versions | Shimano / XDR |
| Weights | Shimano: 1250g (Front: 550g, Rear: 700g) |
| Compatibility | Shimano HG 10/11 speed cassette and Sram 10/11 cassette SRAM 12 speed cassette |
| Front Hub/ Rear Hub | HU-08 High Flange Alloy Body WT |
| Hub Width | Front: 100mm, Rear: 142mm |
| Axle type | 12mm Thru Axle |
| Bearings | Black Inc + CeramicSpeed WT |
| Brake interface | Center Lock |
| Freehub compatibility | Shimano, SRAM XDR |
| ASTM Classification | Level 1 |
| Material | High Modulus Carbon Fiber (T-700/ T-800/ T-1100) |
| Finish | UD matte glossy clearcoat |
| Type interface | Tubeless and Clincher (inner tube) |
| Type compatibility | Tubeless / Tubeless Ready / Clincher |
| Recommended tyre size | 700c x 28mm |
| Rim height | Front: 48mm, Rear: 58mm |
| Rim Width | Internal: 23mm, External: 29mm |
| Rim Decals | Water Transfer Decals with High Polish Glossy Clear Coat Finish |
| Assembly | The 48|58 wheels are hand built by artisanal wheel builders and inspected with the latest electronic machines. This process guarantees that every single wheel’s quality, performance and reliability. |
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