Featuring Di2 electronic shifting, the Shimano 105 ST-R7170 Di2 rear hydraulic disc brake/shifter set brings precise, intuitive gear changes and reliable stopping power to every rider.
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- Reach adjustment and customized button functions allow you to dial in your ideal ergonomics
- Low-profile design is ideal for road bikes
- Offers wide pad clearance for easy wheel removal and quiet performance as well as one-way bleeding for easy, clean maintenance
- Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast
- Compact, ergonomic performance cascaded from the Dura-Ace line
Imported.
View the Shimano 105 Product LineView all Shimano Disc Brake Calipers| Best Use | Road Cycling |
|---|---|
| Brake Mount | Flat Mount |
| Number of Pistons | 2 Pistons |
| Brake Position | Rear |
| Brake Lever Position | Right |
| Adjustable Contact Point | Yes |
| Adjustable Reach | Yes |
| Hydraulic Fluid Type | Mineral Oil |
| Hydraulic Hose Length | 1700 millimeters |
| Pad Compound | Organic (Resin) |
| Material(s) | Aluminum/steel |
| Weight | Brake: 123 grams; lever: 212 grams |