JT Sprockets

Online Catalogue

BMW S1000 R

2013 to 2018

Front Sprocket

Steel Front Sprocket

Part Number: JTF404

Teeth: 17

Available Sizes: 14, 15, 16, 17

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF404RB

Teeth: 17

Available Sizes: 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR7

Teeth: 45

Available Sizes: 44, 45, 46

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
14151617
Rear Sprocket443.14
+18.7%
2.93
+10.8%
2.75
+3.9%
2.59
-2.2%
453.21
+21.4%
3.00
+13.3%
2.81
+6.2%
2.65
standard
463.29
+24.1%
3.07
+15.9%
2.88
+8.6%
2.71
+2.2%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)