Online Catalogue

BMW G310 GS

2016 to 2020

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF406RB

Teeth: 16

Available Sizes: 15, 16

Steel Front Sprocket

Part Number: JTF406

Teeth: 16

Available Sizes: 15, 16

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR5

Teeth: 40

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

Heat-Induction Hardened Zinc Black Rear Sprocket

Part Number: JTR5ZBK

Teeth: 40 Check Availability

Available Sizes: 47

Drive Chain

Pitch: 520

Length: 112

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

Teeth		Front Sprocket
Teeth		15	16
Rear Sprocket	40	2.67 +6.7%	2.50 standard
Rear Sprocket	47	3.13 +25.3%	2.94 +17.5%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)