Art.Nr.: 300053665 Art.bezeichnung: TT-01 Speed-Getriebe 55/58Z ?These spur gears give higher speeds than the kit standard 61T component. ?Pair with separately sold 22T, 23T, 24T or 25T pinion gear to find the perfect gear ratio for the course you are driving on. Compatible Chassis TT-01 Type-E, TT-01 Type-ES & TT-01D Type-E Chassis