This pair of Tyres have the following use indications:- For HARD, VERY CLEAN and INDOOR tracks with VERY HIGH GRIP- For INDOOR tracks with CARPET- For general conditions with MEDIUM TEMPERATURESThis pair of Tyres have the following technical features:- CONTACT profile with LINEAR AND LOW THICKNESS PINS- Tyre with maximum traction and maximum lateral Grip- A Soft compound exclusively developped for model tyres- Internal cross-over structure for a homogeneous distribution of lateral and centrifugal forces- Special insert with closed cells foam material exclusively developped for model tyres- CNC worked insert for maximum balancing, regularity and durability throughout the life of the tyre- Closed wheel moulded with special material and with flexible structure for maximum grip and stability- Special gluing system 100% guaranteedThe main sizes for this tyre are:- WHEEL fixing with exagon 17mm- TYRE outside diameter 113mm- WHEEL inside diameter 78mm- TYRE tota width 43mm