Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 57 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 57 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 57 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 57 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 57 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 58 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 58 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 58 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 58 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 58 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 58 Teeth

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass. 428 Chain Pitch 58 Teeth