Shimano Ultegra Di2 R8150 2x12S Derailleur

The Shimano Ultegra Di2 R8150 2x12V front derailleur is more compact and faster than ever, the front derailleur performs front derailleur shifts with digital precision in all circumstances. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the front derailleur shifts between chainrings with the fastest and most seamless action on the market.Features:- Use: Road - Model: Shimano Ultegra Di2 R8150- Speed: 2x12S - Smaller, sleeker, lighter - Front area reduced by 33% - Weight reduced to 116 g - Chainline (mm) 44.5 - Chainstay angle (degrees) 61-66 Technologies:- E-TUBE Shimano's 'service' that uses websites or apps to maximize the enjoyment of cycling by connecting riders, bikes and Shimano.- Hyperglide+: Provides greater chain retention, more efficient shifting and smoother transmission in difficult terrain.