Clamps on to the OEM (stock, factory) Polaris RZR 570, 800 and 900 XP 2 seat roll cage harness bar and stands the tire up vertically to one side of the bed. Will fit most 4/156 wheels with 5 or less of backspacing. Will accommodate up to most 27 tires. This clamp on mount utilizes 4) 3/8-24 studs (lug nuts not included, sorry).
****Note- Will not fit any of the 4 seat 800, 900 models as well as any of 1000 or 900-S models****