JT Sprockets

Online Catalogue

BMW S1000 XR <<< 520 Chain Conversion

2014 to 2019

Front Sprocket

Steel Front Sprocket

Part Number: JTF1404

Teeth: 17

Available Sizes: 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR75

Teeth: 45

Available Sizes: 42, 43, 44, 45

Racelite Aluminium Rear Race Sprocket

Part Number: JTA75BLK

Teeth: 45

Available Sizes: 40, 41, 42, 43, 44, 45, 46

Drive Chain

Pitch: 520

Length: 128

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
17
Rear Sprocket452.65
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)