Rear Sprocket - 520 - 45 Tooth - 125mm Center Hole - Apollo Thunder 250 Dirt Bike Photograph Diameter of body: 59mm (2

Diameter of body: 59mm (2

Known to fit a Kazuma Mammoth 800

Two bolt holes near the bottom on the sides

Polaris      2017 - 2018     600 Rush XCR

This listing is for the 145mm clutch

Rear Sprocket - 520 - 45 Tooth - 125mm Center Hole - Apollo Thunder 250 Dirt Bike Photograph Diameter of body: 59mm (2Rear Sprocket 520 45T Apollo Thunder 250 Dirt Bike This rear sprocket is used on the Apollo Thunder 250. This sprocket has 45T and is compatible with the 520 chain ONLY. Sprocket details: #520 chain sprocket 45 teeth 125mm (4. 92 in) center hole 8. 5mm (0. 34 in) bolt holes Distance between bolt holes: 75mm (2. 95 in) center to center side by side Distance between bolt holes: 150mm (5. 9 in) center to center across Outside diameter: 233mm (9. 2 in)