These are the 1/10 scale JConcepts Bro Codes Rear Buggy Tires with Foam Inserts. FEATURES: Bro (broken-in) alternating bar design combined with addition of Y side bars provide high degree of supprt for many conditions Bro Codes in new condition excel on soft surfaces that are clay based with a wet/tacky feel Worn Bro Codes are ideal for indoor clay tracks with a minimal dust groove Soft indoor (gold) compound INCLUDES: Two 1/10 scale JConcepts Buggy Bro Codes Soft Indoor (Gold) Rear Tires And-1 Foam Inserts REQUIRES: Installation on 1/10 scale rear buggy wheels Tire Glue DTXR2000, DTXR2002 SPECS: Outer Diameter: 3.2" (82mm) Inner Diameter: 2.2" (56mm) Width: 1.5" (38.5mm) jxs 10/17/12 ir/jxs