This is a pair of Bar Codes 1/10 scale Truck Tires and Foam Inserts from JConcepts. FEATURES: Alternating bar design with the addition of Y side bars for high level of support for blue and black groove conditions New Bar Codes are ideal for hard surfaces with either dry or wet grooved conditions Worn Bar Codes excel on indoor or outdoor clay tracks with a minimal dust groove Super soft green compound INCLUDES: Two Bar Codes 1/10 scale Truck Tires and Foam Inserts REQUIRES: 1/10 scale truck wheels Tire Glue DTXR2000, DTXR2002 SPECS: Width: 1.7" (44mm) Diameter: 2.2" (56mm)/3" (76mm) jxs 11/29/12 ir/jxs