Bittydesign "GRIP R" tires comes only pre-mounted (glued) on wheels called 'ProRace' and are designed to fit 1/7 scale models (ARRMA, TRAXXAS, Hobao)
- the measurement 42/10/100 is for models like Arrma Infraction-Limitless, Traxxas XO-1 and Hobao Extreme VTE2
- the other measurement 43/14/107 is only for Arrma Felony that needed bigger size for the rear axle; on front axle the Felony use 42/10/100
