Hammerhead Wheel / Rim - 10", Rear, Aluminum for 150cc / 250cc / 300cc - 6.000.143B

10" Aluminum wheel used on older Super Sport 150s and 250s as well as some Trailmaster units.  
10" Aluminum wheel used on Platinum GTS150.
Rear mag wheel 10"- brushed aluminum. 

Center hole 4 1/4" diameter.  
Bolt hole spaced 5 3/8" (137mm) measuring across center hole.
Bolt patterm is 4 x 137mm

Rear Rim for Trailmaster 300 XRX and Trailmaster 150 XRX

10" Rear Mag Wheel / 10" Rear Aluminum Wheel

Rim-Rear 10x10, Cast Aluminum

Hammerhead part # 6.000.143B

Polaris part # 201339008