DISK BIKE BRAKES. BEST FOLDING BIKES. ELECTRIC MOTOR BIKE
Disk Bike Brakes
Bicycle brake systems are used to slow down or stop a bicycle. There have been various types of brakes used throughout history, and several are still in use today. The three main types are: rim brakes, disc brakes, and drum brakes.
Cultivate (a field) with a disk harrow
something with a round shape resembling a flat circular plate; "the moon's disk hung in a cloudless sky"
harrow: draw a harrow over (land)
phonograph record: sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
Rohloff and Schmidt SON disc brake wheels
I helped my friend Mike build a Schmidt SON up the other day for a bike he is building.
front disc brakes
Hayes hydraulic disc brakes on the front wheel of my Xtracycle