From the manufacturer's official website:

The Dual-Pivot brake design is a lightweight, compact and durable braking system. Through advancements in design, tighter tolerances have been created which creates a firm and instantaneous braking response.

Also by integrating a convex washer to the fixing bold of the brake pad, adjustment for toe-in is much easier allowing you to set your own braking preference.

Features:

• 100% improved brake pad durability
• Convex washer adjustable brake pad
• 25% increased rigidity: front brake focuses braking power where most needed
• Weight : 314g

Specifications:

• Model No. BR-7800
• Type Super SLR dual pivot
• Reach 49mm
• Pads R55C2
• Cartridge shoe holder Yes
• Caliper cold forged aluminum/anodized
• C-Arm Pivot coated bushing& thrust bearing
• Y-Arm Pivot coated bushing& thrust bearing
• Average Weight 314g (F&R)

For more information, please visit this product's webpage.