Online Catalogue

Ducati 1098 R / S <<< 520 Chain Conversion

2007 to 2009

Front Sprocket

Steel Front Sprocket

Part Number: JTF742

Teeth: 15

Available Sizes: 14, 15

Rear Sprocket

Aluminium Rear Race Sprocket

Part Number: JTA762

Teeth: 38

Available Sizes: 38, 39

To be fit with JTA760B sprocket adapter

Racelite Aluminium Rear Race Sprocket

Part Number: JTA762BLK

Teeth: 38

Available Sizes: 38, 39, 40, 41, 42, 43

To be fit with JTA760B sprocket adapter

Drive Chain

Pitch: 520

Length: 98

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
Rear Sprocket	38	2.53 standard
	39	2.60 +2.6%
	40	2.67 +5.3%
	41	2.73 +7.9%
	42	2.80 +10.5%
	43	2.87 +13.2%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)