JT Sprockets

Online Catalogue

Aprilia 350 ETX Tuareg Wind

1988 to 1990

Front Sprocket

Steel Front Sprocket

Part Number: JTF1125

Teeth: 16

Available Sizes: 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR5

Teeth: 45

Available Sizes: 39, 40, 41, 43, 44, 45, 46, 47, 49

Drive Chain

Pitch: 520

Length: 104

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

TeethFront Sprocket
151617
Rear Sprocket392.60
-7.6%
2.44
-13.3%
2.29
-18.4%
402.67
-5.2%
2.50
-11.1%
2.35
-16.3%
412.73
-2.8%
2.56
-8.9%
2.41
-14.2%
432.87
+1.9%
2.69
-4.4%
2.53
-10.1%
442.93
+4.3%
2.75
-2.2%
2.59
-8.0%
453.00
+6.7%
2.81
standard
2.65
-5.9%
463.07
+9.0%
2.88
+2.2%
2.71
-3.8%
473.13
+11.4%
2.94
+4.4%
2.76
-1.7%
493.27
+16.1%
3.06
+8.9%
2.88
+2.5%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)