Of all the components that make up this Front Brake (f15-f17) the Cap-breather has the lowest price.
A sample from the products for the Front Brake (f15-f17) include: Packing,piston Seal (nas), Holder-comp-caliper, Packing,piston (nas), Bolt.
The most expensive part in this assembly is the Caliper-assy,fr,rh,bl.