Crazy Crawler LaserFoam "Heavy Duty" 1.9 Foam Crawler Tire Insert (2) (116x40mm) (7-10 Pound Trucks)

NOTE: The LaserFoam HD and Basic inserts should not be exposed to moisture for a long period of time. 116x40mm LaserFoams are offered in three types:   Basic: For light trucks (less than 7 pounds) Heavy Duty (HD): For middle weight trucks (7-10 pounds) WP Magic: For heavy trucks (10+ pounds) Specifications: Outer diameter (serrated end): 116mm Inner diameter: 50mm Width: 40mm Weight: 14g ea   116x40mm Fit:  Fits perfect Proline BFGoodrich KR2 1.9 G8 Rock Terrain Proline Hyrax XL  Proline BF Goodrich Krawler T/A KX  Proline Flat Iron XL 1.9 Proline Interco TSL SX Super Swamper XL 1.9 Pit Bull Growler AT Extra  Pit Bull Rock Beast XL RC4WD Interco Irok 1.9 Scale Tires RC4WD Mickey Thompson 1.9 Baja Claw TTC Scale Tires RC4WD Interco Ground Hawg II RC4WD Goodyear Wrangler MT/R 1.9x4.75 RC4WD COMPASS 1.9 Scale Tires RC4WD Interco Super Swamper 1.9 TSL/Bogger Scale Tire  RC4WD Attitude M/T  Duratrax Scaler CR Axial BF Goodrich All Terain T/A KO2 Axial 1.9 BFGoodrich Krawler