Vortex 190ZB-49 Aluminum Rear Sprocket 420 Pitch 49 Tooth Blue

The Vortex 190ZB-49 is a 49-tooth aluminum rear sprocket (motorcycle chain sprocket) for 420 pitch chain, finished in blue. Vortex makes its rear sprockets to precise specifications from aluminum for concentricity and durability.

Key Features:

• Rear sprocket with 49 teeth
• 420 chain pitch
• Aluminum construction, which is lighter than a comparable steel rear sprocket
• Lightening holes reduce rotating mass
• Blue finish applied to the aluminum before the sprocket is cut, which gives Vortex sprockets their two-tone machined look

Aluminum sprockets are softer than steel, so they work best with regular chain cleaning and correct chain tension. A rear sprocket with more teeth gives stronger low-end acceleration and a lower top speed. Part number: 190ZB-49.