Manhart Concave One 8.5x19 Silk-Matt Black Forged Wheels

Manhart Concave One 8.5x19 Silk-Matt Black — German Forged Monoblock Precision

The Manhart Concave One 8.5x19 Silk-Matt Black is a precision-engineered forged monoblock wheel from Manhart Performance GmbH, headquartered in Bönen, North Rhine-Westphalia, Germany. Designed as a direct performance upgrade to factory OEM wheels, the Concave One is engineered to be significantly lighter than equivalent BMW, Mercedes-Benz, or Porsche stock alloys — reducing unsprung mass for measurable improvements in acceleration, braking, and steering response. The 8.5-inch width in the 19-inch diameter configuration suits a wide range of sport and grand touring vehicles on standard 5×112 and 5×120 bolt patterns.

Available Sizes — Manhart Concave One 8.5x19 Silk-Matt Black

• Diameters: 13" | 14" | 15" | 16" | 17" | 18" | 19" | 20" | 21" | 22" | 23" | 24"
• Primary Configuration: 8.5J x 19"
• Available Widths: 7J | 7.5J | 8J | 8.5J | 9J | 9.5J | 10J | 10.5J | 11J
• PCD: 5×112, 5×120 — others on request
• Offset (ET): ET 20 to ET 45 deliverable
• Centre Bore: 66.6 – 74.1 mm (vehicle-specific)

Need a Different Size?

Manhart Performance supplies the Concave One in multiple diameter and width configurations to suit a wide range of vehicle fitments. If the 8.5x19 specification doesn't match your vehicle's requirements — whether you need a wider rear width, a different offset, or a non-standard PCD — contact Hodoor World and we will source the correct configuration from Manhart. We also offer an AI Wheel Design Service if you want a custom spoke pattern or finish concept designed before production begins.

Technical Specifications — Manhart Concave One 8.5x19 Silk-Matt Black

• Construction: Monoblock forged (1-piece)
• Finish: Silk-Matt Black — uniform satin-matte surface across face, spokes, and barrel
• Material: High-strength forged aluminium alloy billet
• Country of Origin: Germany (Manhart Performance GmbH, Bönen, NRW)
• Certification: TÜV approved — independently tested for structural integrity and road compliance
• PCD Options: 5×112 & 5×120 standard; others on request
• Offset Range: ET 20 – ET 45
• Available Widths: 7J – 11J
• Diameters: 13" – 24"

Watch the Manhart Concave One in Action

Vehicle Fitment Guide — Manhart Concave One 8.5x19

The 8.5x19 configuration is primarily designed for the BMW and Mercedes-Benz model range, where 5×112 is the dominant PCD:

• BMW 3 Series (G20/G21, F30/F31), 4 Series (G22/G23, F32/F33), M3/M4 (G80/G82)
• BMW 5 Series (G30/G31, F10/F11), 6 Series (G32), M5 (F90/G60)
• BMW 7 Series (G11/G12, F01/F02), 8 Series (G14/G15/G16), M8
• BMW X3 (G01, F25), X4 (G02, F26), X5 (G05, F15), X6 (G06, F16)
• Mercedes-Benz C-Class (W206, W205), E-Class (W214, W213), S-Class (W223/W222)
• Mercedes-Benz GLC (X254, X253), GLE (W167, W166)
• Porsche Macan (5×112), Panamera (5×130 PCD available on request)

Manhart Performance primarily develops its vehicles around the BMW M series — making the Concave One a purpose-built upgrade for M-branded vehicles where weight reduction has the most measurable effect on performance.

Other Bolt Patterns Available

While 5×112 and 5×120 cover the majority of applications, Manhart Performance can supply custom PCD configurations on request. Common alternatives include 5×130 (Porsche), 5×108 (Jaguar, Ford performance), and 5×114.3 (some Japanese market vehicles). Contact Hodoor World for lead times and pricing on custom PCD orders.

The Silk-Matt Black Finish — Surface Engineering

The Silk-Matt Black surface treatment on the Manhart Concave One sits between a pure matte and a satin finish — the "silk" designation refers to a smooth, low-sheen surface that absorbs light without the micro-texture of typical flat matte coatings. This approach reduces the visual prominence of brake dust accumulation that can affect standard matte coatings, while still presenting the dark, understated appearance that makes the Concave One so effective in all-black or dark-themed vehicle builds. The coating is applied to the entire wheel — face, spokes, and barrel — for a coherent and unified surface under all lighting conditions.

Manhart Concave One vs Other 19-Inch Forged Wheels

Manhart Concave One Wheel Lineup

• Manhart Concave One 8.5x19 Silk-Matt Black — 19-inch monoblock forged in full matte black
• Manhart Concave One 9.0x21 Gunmetal / Diamond Polished — 21-inch two-tone monoblock with diamond-cut spoke face
• Browse all forged wheels at Hodoor World

Can't Find the Right Wheel?

Hodoor offers a custom forged wheel manufacturing service for unique diameters, offsets, finishes, and PCDs not covered by the standard Manhart Concave One catalogue. Whether you need a bespoke width, a colour-matched finish, or a diameter beyond 24 inches, our team can source or manufacture it. You can also use our AI Wheel Design Service to visualise your concept before production begins.

How to Order Manhart Concave One 8.5x19 Silk-Matt Black

1. Confirm your fitment — diameter (13"–24"), width (7J–11J), PCD, and offset for your vehicle
2. Contact us or add to cart — we verify fitment and clearances before confirming
3. Production lead time — typically 4–8 weeks for Manhart forged wheels
4. Worldwide delivery — fully insured, tracked, double-wall export cartons
5. Professional installation — TPMS transfer and wheel alignment at partner workshops

Frequently Asked Questions — Manhart Concave One 8.5x19 Silk-Matt Black

How much lighter is the Manhart Concave One vs BMW OEM wheels?

Manhart Performance has demonstrated weight savings versus BMW OEM alloys in official comparisons. The exact saving varies by diameter and OEM configuration, but forged monoblock construction typically saves 20–35% over equivalent cast alloy wheels. Contact Hodoor World for specific weight data on your OEM fitment comparison.

Is the Silk-Matt Black finish durable?

The Silk-Matt Black coating is applied under controlled factory conditions and sealed for road use. It is resistant to brake dust, UV exposure, and mild chemical cleaners. Use pH-neutral wheel cleaner and avoid abrasive or acid-based products. Periodic application of a matte-compatible surface protectant extends the finish life.

Can I mix Silk-Matt Black front and rear on the same car?

Yes — staggered setups (e.g. 8.5x19 front / 9.5x19 or 9x21 rear) with the same Silk-Matt Black finish are common on BMW M vehicles. Hodoor World can supply matched sets in different widths. Alternatively, the Concave One is also available in Gunmetal/Diamond Polished for a two-tone contrast look.

Does the Manhart Concave One fit without spacers?

In the 8.5x19 configuration with correct ET offset for your vehicle, the Concave One is designed to fit without spacers on most BMW and Mercedes-Benz applications. Verify offset against your vehicle's OEM wheel data before ordering; our team can advise on ET selection.

What tyre sizes are recommended for 8.5x19?

Common tyre widths for an 8.5J-wide 19-inch rim are 235/35 R19, 245/35 R19, and 255/35 R19 depending on the vehicle's arch clearance and suspension alignment. Hodoor World can supply a matched wheel-and-tyre package; contact us for a quote.

Discover Hodoor World — Your Forged Wheel Specialist

Hodoor World is a specialist in premium forged wheels and high-end automotive accessories for luxury and performance vehicles. We maintain direct supplier relationships with leading manufacturers including Manhart Performance, Vossen, HRE, Brixton, ADV.1, LOMA, LUMMA, and many more. Our team provides expert fitment advice, custom order management, and worldwide delivery.

Contact us via [email protected] or visit hodoor.world. Customer reviews are available on Trustpilot.

Wheel Care — Maintaining Your Manhart Concave One

Forged alloy wheels require routine care to preserve their surface finish and structural integrity. Wash with pH-neutral wheel cleaner and a soft brush after every 500 km or after exposure to road salt. On the Silk-Matt Black variant, avoid wax or polishing compounds designed for gloss surfaces — these leave a residue that disrupts the matte effect. Dry with a clean microfibre cloth after washing to prevent water spotting. Inspect for kerb damage or stress cracks annually and re-torque wheel bolts to OEM specification after the first 50 km post-fitment.

Manhart Concave One — International Delivery

Hodoor World ships Manhart Concave One wheels globally. All orders are individually wrapped, foam-lined, and packed in double-wall export cartons with full insurance and tracking. Typical transit: 3–5 days EU/UK, 7–14 days USA/Middle East/Asia. Import duties are the recipient's responsibility unless a DDP service is requested. Contact [email protected] for freight quotations on full sets.