20x9.5 +50 / 21x12.5 +48 | Centerlock | Diamond Silver

Overview

The BBS FI-R is a high-performance wheel designed for serious enthusiasts who demand precision, lightweight construction, and motorsport-grade quality. Tailored specifically for the Porsche 991 911 GT3 RS, this wheel set offers a perfect blend of track-ready engineering and street-legal style. Its centerlock mounting system reflects BBS’s deep motorsport heritage, providing quick-change capability and a secure fit that’s essential for high-speed driving and racing applications.

Featuring a sleek diamond silver finish, the FI-R’s design language is both aggressive and refined. The staggered sizing emphasizes an athletic stance with a wider rear wheel that enhances traction and handling balance. The multi-spoke layout and concave profile not only improve rigidity but also deliver a timeless aesthetic that complements the Porsche’s dynamic character.

This specific configuration—20x9.5 +50 front and 21x12.5 +48 rear—maximizes the GT3 RS’s performance potential by offering an aggressive rear footprint for improved grip and stability during cornering. The centerlock system further underscores the wheel’s race-inspired pedigree, making it a desirable upgrade for drivers who prioritize both form and function.

Specifications

This FI-R wheel set measures 20x9.5 inches up front with a +50mm offset and 21x12.5 inches at the rear with a +48mm offset, designed for vehicles equipped with a centerlock mounting system. The diamond silver finish is applied to forged wheels, sold as a full set of four.

• Brand: BBS
• Model: FI-R 20x9.5 +50, 21x12.5 +48 CL
• Front Size: 20" × 9.5" +50mm
• Rear Size: 21" × 12.5" +48mm
• Mounting System: Centerlock
• Finish: Diamond Silver
• Construction: Forged
• Orientation: Centerlock (motorsport mounting)
• Sold As: Set of 4 Wheels

Design & Construction

The BBS FI-R features a signature multi-spoke design that balances lightweight performance with structural integrity. Its concave profile enhances visual depth and aggressive stance, especially noticeable with the staggered rear sizing. The wider rear wheels not only improve traction but also give the Porsche 991 GT3 RS a commanding presence on the road and track.

Manufactured using advanced forging techniques, these wheels benefit from superior strength-to-weight ratios compared to cast alternatives. The diamond silver finish is meticulously applied to ensure durability and resistance to environmental wear, maintaining the wheel’s premium appearance over time. The centerlock mounting system is a direct nod to racing technology, allowing for rapid wheel changes and a secure fitment that reduces rotational mass.

What's Included

• 4× BBS FI-R 20x9.5 +50, 21x12.5 +48 CL wheels
• Original packaging and documentation

Fitment Notes

This wheel set requires a centerlock hub compatible with the Porsche 991 911 GT3 RS. The staggered sizing means front and rear tires cannot be rotated interchangeably, so plan tire maintenance accordingly. Confirm hub bore and caliper clearance for your specific vehicle to ensure proper fitment. This listing is for a full set of 4 wheels only.

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