Shimano 105 BR-R7170 is designed for front use with an adapter, but can also be used at the rear without an adapter.

• Hydraulic – uses mineral oil for operation
• 2 pistons
• 10% wider gap to the brake disc to prevent unnecessary friction against the pads
• Pads: L05A Resin, with cooling fins
• Easy to install and maintain
• One-Way bleeding – the brake oil channels are positioned so that when the oil is pressed from the bottom up, it flows evenly throughout the system, making it very difficult for air to get trapped anywhere
• Suitable for brake discs from 140 mm
• Flat Mount attachment
• Adapter for 160 mm brake disc included with the first brake caliper