The AV20 is a gravity cast wheel without rivets, however it does have a concave double spoke design, which is very popular. Available in hyper black, machined, matte black, matte blue, matte bronze, matte gunmetal, matte white, and metallic gunmetal.
Cosmis Racing XT-206R
The Cosmis Racing XT-206R is a cast, race styled wheel with a double spoke design as well as a step lip. Although it is a cast wheel, it is still incredibly light and designed for racing, with a bit of concavity to it as well. Available in white, black, black/machined, black chrome, gold, gray/machined, silver, red/machined, hyper gold, hyper bronze, and hyper red.
The AV6 is a very concave, classic 6 spoke design. This wheel's spokes dive back into the lip of the wheel as they get closer to the edge, giving it a unique design. Available in black, hyper black, bronze, white, and machined.
The ESR SR08 is a one piece cast wheel with a very concave split 5 spoke design. The SR08 has a luxury look while maintaining a low price point. Available in machined, hyper black, white, gloss black, vacuum gold chrome, and matte bronze.
The Ampliform is a flow-formed wheel with a mesh inspired design. This is a very classic one piece wheel that looks good on almost any car. Available in bronze and dark metallic graphite.
Work Emotion D9R
The RPF1 is one of the most popular wheels in existence. The RPF1 is an incredibly light wheel with a double spoke design as well as a step lip. The double spoke design actually functions by dispersing stress on curvers, hard braking, and extreme race driving. The pocket design around the bolt circles also increases rigidity and keeps the wheel cooler. Available in black, black chrome, silver, and gold.
The JNC005 is a gravity cast wheel with a mesh spoke design and a step lip. While the face of this wheel isn't particularly concave, it also features rivets to give it a multi-piece look while maintaining the price of a cast wheel. Available in gloss black w/ gold rivets, gold w/ a machined lip, hyper black, hyper black w/ a machined lip, silver w/ a machined lip, and white w/ a machined lip.
Option Lab R716
The Option Lab R716 is quite a unique double spoke design because the spokes are a bit squared off where they enter the center of the wheel. This wheel is a very light wheel and therefore is used a lot for autocross, etc. Available in formula bronze, gotham black, noble grey, and top secret gold.
Cosmis Racing XT-006R
The Aodhan is another split five spoke design with a bit of a twist. The DS02 also features a deep lip, which has become increasingly popular in the wheel game. Available in silver, black chrome, chrome and gold chrome.