do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Ninemeister Superlight Magnesium Forged Centre Lock Wheels - Cayman GT4 RS & 718 Spyder RS
The Ninemeister Superlight Magnesium Forged Centre Lock
Wheels are a race-inspired upgrade engineered specifically for the Porsche
Cayman GT4 RS and 718 Boxster Spyder RS. Designed to deliver extreme weight
reduction with uncompromising rigidity, these wheels dramatically reduce
unsprung and rotational mass—unlocking sharper steering response, faster
suspension reaction, and heightened driver feedback.
Fits:
- Porsche Boxster Spyder RS 718 4.0L
- Porsche Cayman GT4 RS 718 4.0L
Front: 20 x 9"
Rear: 20 x 11"
When ordering wheels, please specify the desired offset
(if known) and vehicle details in comments box at checkout stage
If offset is unknown please leave vehicle details (VIN) and we can advise.
Available from Design911, these centre lock wheels are forged from magnesium billet using an industry-leading 10,000 TON forging process, achieving weight savings of up to 40% compared to OEM aluminium wheels. The result is a transformative performance upgrade befitting Porsche’s most focused mid-engine RS models.
What Do Ninemeister Magnesium Centre Lock Wheels Do?
These wheels elevate handling and performance by optimising mass and strength where it matters most.
Core Functions:
- Reduce unsprung and rotational weight for faster suspension response.
- Sharpen steering precision and on-centre feel.
- Improve braking efficiency and acceleration response.
- Enhance chassis balance and tyre contact.
- Maintain exceptional rigidity under extreme track loads.
Lower wheel mass allows the GT4 RS and Spyder RS chassis to perform closer to its motorsport potential.
Why Upgrade to Ninemeister Superlight Magnesium Wheels?
For RS owners, reducing wheel weight delivers immediate, measurable gains.
Upgrade Advantages:
- Up to 40% lighter than standard aluminium wheels.
- Forged magnesium billet construction for superior strength-to-weight ratio.
- Manufactured using 10,000 TON of forging pressure.
- Reduced rotational inertia for quicker throttle response.
- Motorsport-style centre lock design with exclusivity and performance focus.
This upgrade complements the lightweight philosophy and track intent of Porsche’s RS models without compromising durability.
Wheel Specifications & Construction
- Front: 20 x 9"
- Rear: 20 x 10"
- Forged magnesium billet construction
- Industry-leading 10,000 TON forging process
- Superlight centre lock design
- Available in a variety of colours (made to order)
- Engineered specifically for Cayman GT4 RS & 718 Boxster Spyder RS
Please note:
Wheels are made to order and carry a lead time of up to 14 weeks.
Centre lock nuts not included
Key Benefits
- Significant reduction in unsprung and rotational mass
- Sharper steering and enhanced chassis feedback
- Improved braking and acceleration performance
- Motorsport-grade materials and manufacturing
- Exclusive, bespoke finish options
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
Wheel dimensions (offset (ET) in mm):
Front: 8 J x 20 ET 57
Rear: 10 J x 20 ET 45
Tyre specifications:
Front: 235/35 ZR 20 (88Y)
Rear: 265/35 ZR 20 (95Y)
Fits:
Porsche 718 Boxster (982) 2016>>
Porsche 718 Boxster S (982) 2016>>
Porsche 718 Cayman (982) 2016>>
Porsche 718 Cayman S (982) 2016>>
Please Note: The illustrated wheel hub covers are not included in the scope of supply.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98204460208
The product you are viewing cross references to these numbers
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
Wheel dimensions (offset (ET) in mm):
Front: 8 J x 20 ET 57
Rear: 10 J x 20 ET 45
Tyre specifications:
Front: 235/35 ZR 20 (88Y)
Rear: 265/35 ZR 20 (95Y)
Fits:
Porsche 718 Boxster (982) 2016>>
Porsche 718 Boxster S (982) 2016>>
Porsche 718 Cayman (982) 2016>>
Porsche 718 Cayman S (982) 2016>>
Please Note: The illustrated wheel hub covers are not included in the scope of supply.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98204460202
The product you are viewing cross references to these numbers
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
Wheel dimensions (offset (ET) in mm):
Front: 8 J x 20 ET 57
Rear: 10 J x 20 ET 45
Tyre specifications:
Front: 235/35 ZR 20 (88Y)
Rear: 265/35 ZR 20 (95Y)
Fits:
Porsche 718 Boxster (982) 2016>>
Porsche 718 Boxster S (982) 2016>>
Porsche 718 Cayman (982) 2016>>
Porsche 718 Cayman S (982) 2016>>
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98204460206
The product you are viewing cross references to these numbers