The Quantum44 SFF-2 is the second model in the Q44 Flow Forged series, representing an evolution of the SFF-1 design concept into a wider size range and an expanded three-finish palette. Where the SFF-1 is offered in 20" only, the SFF-2 extends to 21" for platforms that call for a larger diameter without moving to a full billet forged programme. Each SFF-2 is produced using Quantum44's proprietary spin-forming process — a low-pressure cast blank is flow-formed under controlled roller pressure, thinning the barrel wall and aligning the aluminium grain structure for improved structural integrity. The result is a stronger, lighter wheel than a conventional cast alloy, offered at a price point well below full billet forging. Quantum44 operates from England and ships directly to consumers across Europe and beyond.
The SFF-2 Flow Forged is available beyond the standard catalogue. If your vehicle requires a specific diameter, width, offset, or PCD not listed, contact us at [email protected] and we will confirm availability and lead time. We also offer an AI Wheel Design Service if you want a custom spoke concept or finish visualised before production begins.
The spoke count and taper geometry of the SFF-2 are optimised for stiffness without unnecessary material. Each spoke transitions from a narrow hub root to a wider rim shoulder, distributing cornering loads efficiently while maintaining a low-drag aerodynamic profile.
The SFF-2 Flow Forged is offered in three production finishes. All are standard — no additional lead time or cost for finish selection:
Flow forging applies mechanical working to the barrel of an initially cast blank. Hydraulic rollers press against the rotating blank, stretching and thinning the barrel wall while aligning the metal's grain structure along the stress paths the wheel experiences in service. The result: barrel wall thickness can be reduced by 30–40% versus an equivalent cast-only design, directly reducing unsprung rotating mass. Lower unsprung mass improves steering response, braking performance, and ride quality — the same engineering logic that drives adoption of fully forged wheels at the performance end, applied at a more accessible price point. For most road applications, the SFF series represents the optimal balance of engineering, aesthetics, and value.
The SFF-2 Flow Forged is built to order and fits any platform — PCD, offset, and centre bore are specified at order. Most commonly fitted to:
Correct fitment is the buyer's responsibility — verify PCD, ET, centre bore, and tyre size against your vehicle specification before ordering. Hodoor World offers a pre-order fitment advisory service on request.
In addition to the standard PCDs, the SFF-2 Flow Forged is available in the following bolt patterns to order:
Non-standard PCD lead time is typically 4–6 weeks. Contact [email protected] with your vehicle details.
| Feature | SFF-2 (this wheel) | SFF-1 | ZF-1 Monoblock (Full Forged) |
|---|---|---|---|
| Construction | Flow-formed monoblock | Flow-formed monoblock | Full billet forged monoblock |
| Finishes | Brushed Titanium, Gun Metal, Platinum Black | Quartz Silver, Diamond Graphite | Fully customisable |
| Sizes | 20", 21" | 20" only | 18"–22" |
| PCDs | 5×112, 5×120, 5×114.3 | 5×112, 5×120 | Any — built to order |
If the SFF-2 Flow Forged is close but not quite right — different finish, unusual offset, or a spoke pattern beyond the Quantum44 catalogue — Hodoor offers a custom forged wheel manufacturing service. We work with Quantum44 and other UK and European manufacturers to build one-off and short-run sets to exact specification. Lead time typically 4–8 weeks. You can also use our AI Wheel Design Service to visualise your concept before production begins.
Is the SFF-2 Flow Forged available in any colour?
The SFF-2 Flow Forged is available in the listed production finishes. Custom finishes are available through the custom manufacturing service.
What PCDs does the SFF-2 Flow Forged support?
Standard PCDs are 5×112, 5×120. Additional bolt patterns are available to order — 5×114.3. Contact [email protected] with your vehicle's PCD to confirm.
How do I know what offset to choose?
Offset (ET) determines how far the wheel face sits from the hub mounting face. A correct ET ensures the tyre clears the suspension components and sits flush within the arch. The right ET depends on your vehicle's hub, brake caliper, and suspension geometry. Contact [email protected] with your vehicle details for a recommendation before ordering.
Can I get the SFF-2 in 21" staggered?
Yes — the SFF-2 is available in both 20" and 21" diameter, and staggered front/rear width configurations are supported. A common setup for executive saloons is 21×9.5 front / 21×10.5 rear. Select front and rear axle specifications separately at checkout.
What is the difference between SFF-2 and SFF-1?
The SFF-2 adds 21" sizing, a third PCD option (5×114.3 to order), and a more contemporary three-finish palette (Brushed Titanium, Gloss Gun Metal, Platinum Black) versus the SFF-1's two original finishes (Quartz Silver, Diamond Graphite). The core manufacturing process — flow forming — is the same for both. The SFF-2 also features a higher spoke count and a tighter, more structured visual profile.
Does Hodoor World offer a fitment advisory service?
Yes. If you are unsure about PCD, ET, width, or tyre sizing for your vehicle, contact us at [email protected] before ordering. We will confirm the correct specification for your platform.
Hodoor World is an independent specialist in premium and custom forged wheels, sourcing directly from UK, European, and US manufacturers. Our catalogue spans flow-formed, fully forged, and multi-piece programmes — all with fitment advisory, direct dispatch, and global shipping. Browse the full selection at hodoor.world, read verified reviews on Trustpilot, or contact us at [email protected] for purchasing advice.
Flow-formed wheels require regular cleaning to preserve the finish. Rinse with clean water after driving in wet or road-salt conditions before contamination bonds to the surface. Use a pH-neutral wheel cleaner and a soft non-abrasive microfibre mitt — avoid stiff brushes on machined faces. Apply a wheel-specific sealant or wax every 3–4 months. Check valve cores and torque wheel nuts to the vehicle manufacturer's specification after fitment and again after the first 50 km.
Hodoor World ships the SFF-2 Flow Forged worldwide. In-stock configurations dispatch within 2–5 working days; made-to-order sizes require 2–4 weeks. International shipping adds 3–7 working days. Full tracking included; customs declared at accurate value. Import duties and local taxes are the recipient's responsibility. Contact [email protected] for freight quotes.
