The Sport range of spares provides everything you need to fine tune a Scalextric car to get the maximum performance from it on the track Hardened steel axles cut to five different lengths to suit most Scalextric cars Contains lengths of 45mm 47 5mm 50mm 52 5mm & 55mm These 3mm axles should used with the bearings from this range C8407 & C8408 together with your choice of aluminium wheel hubs C8409 C8410 C8411 C8412