These Tektro dual pivot brake calipers have a nice polished finish, they come with decent pads and are available in two different drops. The brake drop can be measured from the centre of the mounting hole, to the centre of the rim. Please measure to ensure you order the correct set.
R325 has a 39-49mm drop
R359 has a 47-57mm drop
They are designed for frames/forks that take a recessed hex nut. Sold as a pair (front and rear). If you require nutted brakes, please click through for Tektro Nutted Caliper Brakes