RRMotorsport Competition Design, JDM Heritage Inspired by a timeless 6-spoke design, the 2020 all new RF06RR is a twist made by Superspeed with our own secret recipes. Featured with the iconic drop-center barrel and concave spoke design, it has the best big brake clearance in class; topped up with our signature knurled bead seat and weight reduction pockets, the RF06RR is our tribute to the Golden Age of JDM. #SuperspeedWheels #RacingConcept #TrackProven #Lightweight #Competition BEAD KNURLING Originated from F1 racing, RF05RR features knurled bead seats on both sides of the rim. It helps with minimizing tire slip within the wheels under extreme acceleration and deceleration BBK FRIENDLY Starting from design phase, we modeled different brand name big brake kits, and to make sure final product yields enough clearance for your aftermarket brake upgrades LIGHTWEIGHT POCKET No compromise for weight saving - Lightweight pocket on center disk18x8.5 - 18.9 lbs 18x9.5 - 19.4 lbs18x10.5 - 19.8 lbs (projected) D-RIB & MACHINED SPOKE Shave off any redundant weigh possible. It also serve as a cosmetic feature. (Diamond Cut on Matt Black & Speed White)Double-rib shape design between spokes to increase wheel rigidity CNC MACHINE ENGRAVED CNC engraved branding and model name (Diamond Cut on Matt Black & Speed White only) TWO-FACE PROFILE *17x8 / 17x9 Face-1*18x8.5 Face-1*18x9.5 / 18x10.5 Face-2