Tamiya Hop-Up Options 54598 Soft Rock Block TiresThese large diameter soft compound tires provide an excellent base for taking the CC 01 and CC 02 chassis for some cross country driving! Drivers can expect improved traction, as well as the ability to climb over larger obstacles thanks to the 94mm diameter tires. Includes Soft Rock Block Tires x2 Compatible with CC 01, CC 02 chassis cars (except Item 49490), in addition to Items 58372, 58397 and 58415.