area hollowing, significant weight loss effect, increase air contact area, accelerate disc heat dissipation. The central locking system improves the accuracy and rigidity, and has good performance. The central internal locking installation system can quickly install and disassemble the disk. and high quality. Fine workmanship and perfect style. Easy to install and durable in use. High Wear-resistant and durability. Name: road bicycle disc brake pad Style: 140mm Weight: 102g Type: bicycle accessories Type: cycling equipment color:Silver Material:Aluminum +Carbon Steel size:18cm x 18cm x 2cm Package Contents: 1 x Bicycle disc brake pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.