JT Sprockets

Online Catalogue

Honda CRF450 R-4,5,6,7,8,9,A,B,C,D,E

2004 to 2014

Front Sprocket

Part Number: JTF284SC

Teeth: 13

Available Sizes: 13, 14

JTF284SC is a Lightweight Self-Cleaning sprocket

Rear Sprocket

Part Number: JTR210

Teeth: 48

Available Sizes: 38, 39, 40, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55

Aluminium Rear Sprocket

Part Number: JTA210

Teeth: 48

Available Sizes: 40, 42, 43, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 54

Drive Chain

Pitch: 520

Length: 116

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
382.922.71
393.002.79
403.082.86
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
544.153.86
554.233.93