Shimano Dura Ace Di2 ST-R9170 STI for Disc Brakes - 2x11-speed - Pair The DURA-ACE groupset is the result of Shimano's ongoing passion for technology. This is reflected in every single component in the groupset. All components are joined together to work as one, reinforcing each other for unparalleled performance. This is how DURA-ACE achieves ultimate supremacy. FACT SHEET OF SHIMANO DURA ACE DI2 ST-R9170 STI FOR DISC BRAKES - 2X11-SPEED - PAIR Product Name: Shimano Dura Ace Di2 ST-R9170 STI for Disc Brakes - 2x11-speed - Pair Manufacturer: Shimano Parts Item Code: SHI289643 activity: Bike usage bikesport: Road Bike number of chainrings: 2, 3 shifting system: 11-speed shifting actuation: Electronic grip clamping diameter: 23,8mm brake actuation: hydraulic shift lever type: STI/Ergopower/DoubleTap weight: 365g manufacturer item code: ISTR9170L + ISTR9170R "🔥Pre order 5 to 7 working days Deliver to Malaysia, SG, Brunei, Worldwide Accept Ewallet Boost TouchnGo Etc.. & Credit card How to Order 1.Product Option: 2.Quantity: 3.Color: 4.Name: 5.Address: 6.Contact number: Send to ☎FB http://m.me/icebikeheaven ☎ http://www.wasap.my/60174204398 Sales, Order, Customer service ☎ http://www.wasap.my/60195272398 After sales/ Warranty FOLLOW US ✔ https://www.ebay.com/str/icebikeheaven37 ✔ https://shopee.com.my/icebikeheaven?tab=shop ✔ http://www.lazada.com.my/ice-bike-heaven/ ✔ https://fb.me/icebikeheaven ✔ https://www.instagram.com/icebikeheaven37/ Buy from Us! 🚴🏻💯% POSITIVE FEEDBACK 🚴🏻💯% Warranty & After Sale Service 🚴🏻💯% PARCEL ARRIVAL GUARANTEED 🚴🏻💯% ❌hidden charges 🚴🏻 7️⃣ days size exchange 🆗 🚴🏻 7️⃣ days 100% 💲💲 Guarantee back ☄ Prompt response 🥇♞ SSM Registered company- Icebikeheaven 🥇 7 Years of experience "