The 50/90R57 Michelin XDR tire is a large heavy haulage tire designed for 300 ton plus haul trucks. The 50/90R57 tire is mainly used in mining applications.
The Michelin 50/90R57 tire is intended to be mounted on 57 x 32 rims or wheels. Both of these wheel sizes will mount the tire with either a 57 x 6.0" or a 57 x 6.5" side flange. Part numbers for these flanges are R6057HMS and R6557HMS.