disc brake caliper dual action Zoom DB-680

zoom DB680 disc brake caliper dual action road bike bicycle Alloy Disc Brake Mechanical disc brake that offers superior performance and is a nod to put in place. The 680 zoom is a double-sided mechanical where both blocks operate offering yet and precise clamping force. this translates into even pad wear and, with the addition of a simple barrel adjuster, the mat can be adjusted easily and hassle free. no frustration at completely adjusting the entire stirrup, only to have it continue to slide the fixed side, adding wear! -double operating face. - even wearing pad - easy adjustment and set up - Works with ALL cable operated road levers. we strongly recommend compressionless housing. -composed works well in dry conditions, but can wear quickly in wet / muddy conditions