JT Sprockets

Online Catalogue

Derbi 659 Mulhacen Cafe

2009 to 2012

Front Sprocket

Steel Front Sprocket

Part Number: JTF308

Teeth: 15

Available Sizes: 13, 14, 15, 16

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF308RB

Teeth: 15

Available Sizes: 14, 15

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR817

Teeth: 46

Available Sizes: 46

Drive Chain

Pitch: 520

Length: 106

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
1415
Rear Sprocket463.29
+7.1%
3.07
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)