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

• Hydraulic – uses mineral oil for operation
• 2 pistons
• 10% more space between the brake caliper and 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 upwardsthe oil 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
• No adapter required