JT Sprockets

Online Catalogue

BMW F800 R (JTR3.47 for 10.5mm bolts)

2019 to 2020

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF405RB

Teeth: 19

Available Sizes: 19, 20

Steel Front Sprocket

Part Number: JTF405

Teeth: 19

Available Sizes: 19, 20

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR3

Teeth: 47

Available Sizes: 41, 42, 47

Drive Chain

Pitch: 525

Length: 120

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
1920
Rear Sprocket472.47
standard
2.35
-5.0%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)