JT Sprockets

Online Catalogue

Gas Gas 450 SM

2009

Front Sprocket

Part Number: JTF715

Teeth: 13

Available Sizes: 12, 13

Rear Sprocket

Part Number: JTR822

Teeth: 42

Available Sizes: 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53

Aluminium Rear Sprocket

Part Number: JTA822

Teeth: 42 Check Availability

Available Sizes: 44, 45, 48, 49, 50, 51, 52, 53

Drive Chain

Pitch: 520

Length: 108

Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.

Gear Ratio Chart

Full Gear Ratio Chart (pdf)

Teeth1213
413.423.15
423.503.23
433.583.31
443.673.38
453.753.46
463.833.54
473.923.62
484.003.69
494.083.77
504.173.85
514.253.92
524.334.00
534.424.08