The Narrow Tire Set works well in onroad conditions. Two sets of hubs have been included along with a wrench to change the hubs. One set of hubs is for hex shafts like those on many of Tamiya’s gear boxes, and the other set of hubs is for round shaft applications.
– Diameter: 58mm – Width: 16mm – Hubs: 2 round shaft and 2 hex shaft
