These are the Split 5 Spoke Rear Chrome Truck Wheels from HPI.
This mounts onto axle and the tire mounts to it.
FEATURES: Nylon construction
Split 5-spoke deep dish type
These wheels fit onto Associated, Losi, Tamiya, Kyosho, Traxxas
and other HPI trucks such as the Nitro RS4 MT and RS4 MT.
INCLUDES: Two Rear Split 5 chrome truck wheels
Two aluminum washers
One adapter set for many popular wheel mounts
REQUIRES: 2.2" rubber truck tires
CA glue to attach rubber tires
SPECS: Diameter: 2.2" (56mm)
Width: 2.0" (51mm)
COMMENTS: Four wheel drive trucks will use these rear rims on the front also.