20 inch Spec-1 wheels bring big-diameter presence to your build, and every 20" Spec-1 fitment available here is grouped on one page so you can compare diameters, finishes, and bolt patterns in one place. These are the largest models in the family, spanning street-styled multi-spoke faces and concave profiles built for a planted stance.
Shop 20" Spec-1 Wheels
Showing 36 in stock.
Every 20-inch Spec-1 in the lineup is a cast monoblock — a single-piece aluminum design that keeps weight reasonable while holding a clean spoke face. You can always step up or down in diameter by browsing the full Spec-1 lineup if a 20 isn't the right call for your platform.
Why a 20-inch Spec-1 wheel
Twenty inches fills a wheel arch on larger sedans, coupes, and crossovers without giving up everyday usability, and Spec-1's monoblock construction at this size pairs a bold face with a straightforward bolt-on fit. If you want a stance look, the 20 keeps sidewall short and the spoke detail prominent. Shoppers who prefer a more comfortable ride or a tighter budget can compare the 19" Spec-1 wheels and 18" Spec-1 wheels, while smaller setups live on the 17" Spec-1 wheels and 16" Spec-1 wheels pages.
Which models & finishes come in 20-inch
Several Spec-1 models are offered in a 20" diameter. The SPL-001 comes in Gloss Black, and the SPL-002 adds Gloss Black & Brushed and Silver & Brushed. The SPM-81 is carried in Gloss Black & Brushed and Silver & Brushed, while the deep-lineup models — SP-51, SP-52, SP-53, SP-54, SP-69, and the multi-finish SPT-31 and SPT-33 — extend into 20" as well. Across the 20-inch group you'll find finishes from Gloss Black and Matte Black through machined and milled accents, plus colorways like Gloss Black & Red Machined and Matte Bronze & Black Lip. Prefer a single look across diameters? Jump to the black Spec-1 wheels, bronze Spec-1 wheels, red Spec-1 wheels, or blue Spec-1 wheels pages.
Fitment coverage
The 20" Spec-1 models cover a range of bolt patterns drawn from the broader line, including 5x114.3, 5x115, and 5x120. The widely fitted 5x114.3 Spec-1 wheels suit many Japanese and domestic platforms, and several 20" models also carry the multi-pattern drilling seen across the line, so 5x100, 5x112, 5x110, 5x105, and 5x108 options appear too. Always confirm the exact pattern and offset against your vehicle before ordering.
How to choose
Start with your bolt pattern, then pick the width and offset that clear your brakes and fenders, and finish on the look. The SPL-001 5x115 20x10 +20 Gloss Black is an aggressive option, while the SPL-002 5x114.3 20x10.5 +42 Silver & Brushed and SPM-81 5x114.3 20x9 +38 Gloss Black & Brushed offer brushed-face contrast. Every order ships free, and financing is available through Affirm.
Frequently Asked Questions
Which Spec-1 models come in 20 inches? Twenty-inch options include the SPL-001, SPL-002, SPM-81, and several deep-lineup models such as SP-51 through SP-54, SP-69, SPT-31, and SPT-33.
What bolt patterns are available in 20"? The 20-inch Spec-1 wheels cover patterns including 5x114.3, 5x115, and 5x120, plus the multi-pattern drillings carried across the line on the deeper models.
How are 20-inch Spec-1 wheels built? Every 20" Spec-1 here is a cast monoblock, single-piece aluminum design.