DragonFire Racing 523207 DragonFire Racing Typhon Wheel 15X6 4/137 5+1 +40 R Machined Red. MPN : 523207. AlternatePartNumber : 523207. Weight : 20.9 lbsThe DragonFire Racing® Typhon Wheels feature a race-inspired design with a forged 6061 beadlock ring and 20 grade-8 bolts.