Image of Shimano Ultegra ST-R8170 Di2 12-Speed Shift/Brake System Black, Rear
 

Shimano Ultegra ST-R8170 Di2 12-Speed Shift/Brake System Black, Rear

Getting us up to speed and back to a halt very quickly is the Shimano Ultegra ST-R8170 Di2 Shift/Brake System. This combo system includes light and responsive flat-mount calipers with an accurate wireless Di2 drivetrain. The hoods on the shifters have been made to be even more aerodynamic to quickly cut through the wind.

Price: $585.00 from Backcountry

Merchant Catalogue Product Name Price  
Shimano Ultegra ST-R8170 Di2 12-Speed Shift/Brake System Black, Rear $585.00 Visit Store

Related Products

 
Image of Shimano Ultegra 11 Speed Road Pulley Wheel Kit Black, Ultegra RD-6800
 

Shimano Ultegra 11 Speed Road Pulley Wheel Kit Black, Ultegra RD-6800

Over time derailleur pulleys will wear out, even if the derailleur itself is perfectly fine. Usually it comes down to the bearings going bad, the pulley teeth wearing out, or maybe both. If your bearings are feeling notchy, or the pulley teeth have rounded...


 
Image of Shimano Ultegra 11 Speed Road Pulley Wheel Kit Black, Ultegra RD-R8000
 

Shimano Ultegra 11 Speed Road Pulley Wheel Kit Black, Ultegra RD-R8000

Over time derailleur pulleys will wear out, even if the derailleur itself is perfectly fine. Usually it comes down to the bearings going bad, the pulley teeth wearing out, or maybe both. If your bearings are feeling notchy, or the pulley teeth have rounded...


 
Image of Shimano GRX RD-RX825 12-Speed Di2 Rear Derailleur Black, Rear, 12-Speed
 

Shimano GRX RD-RX825 12-Speed Di2 Rear Derailleur Black, Rear, 12-Speed

For fast, reliable shifting during our mixed-terrain riding adventures, Shimano brings us the new GRX RD-RX825 12-Speed Di2 Rear Derailleur, complete with a built-in wireless connectivity unit and charging port for easy operation and recharging. SHIMANO...





©2026 - WildSportsOutfitters.com - No content may be used without our express written permission.