JT Sprockets

Online Catalogue

Gas Gas 300 EC F

2013 to 2015

Front Sprocket

Part Number: JTF1590SC

Teeth: 13

Available Sizes: 13, 14

JTF1590SC is a Lightweight Self-Cleaning sprocket

Rear Sprocket

Part Number: JTR822

Teeth: 48

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

Aluminium Rear Sprocket

Part Number: JTA822

Teeth: 48

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

Drive Chain

Pitch: 520

Length: 114

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)

Teeth1314
413.152.93
423.233.00
433.313.07
443.383.14
453.463.21
463.543.29
473.623.36
483.693.43
493.773.50
503.853.57
513.923.64
524.003.71
534.083.79