--- product_id: 435665398 title: "Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed, Braze-on, Down Swing, for 50-54t Max, Black/Silver" brand: "shimano" price: "¥93019" currency: JPY in_stock: true category: "Shimano" url: https://www.desertcart.jp/products/435665398-shimano-ultegra-fd-r8150-di2-front-derailleur-2x12-speed-braze store_origin: JP region: Japan --- # 12-speed Di2 electronic precision Aerodynamic low frontal area Braze-on mount for secure fit Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed, Braze-on, Down Swing, for 50-54t Max, Black/Silver **Brand:** shimano **Price:** ¥93019 **Availability:** ✅ In Stock ## Summary > ⚡ Shift into the future with Ultegra Di2 precision! ## Quick Answers - **What is this?** Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed, Braze-on, Down Swing, for 50-54t Max, Black/Silver by shimano - **How much does it cost?** ¥93019 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/435665398-shimano-ultegra-fd-r8150-di2-front-derailleur-2x12-speed-braze) ## Best For - shimano enthusiasts ## Why This Product - Trusted shimano brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Aerodynamic Edge:** Sleek, compact design reduces drag, giving you that competitive advantage on every ride. - • **Robust Braze-On Mount:** Engineered for a rock-solid fit that keeps your drivetrain perfectly aligned under pressure. - • **Wide Gear Compatibility:** Optimized for 50-54t chainrings and 61-66° chainstay angles, ensuring versatile performance across road setups. - • **Lightweight Aluminum Build:** Durable yet featherlight at just 6.4 ounces, designed to keep your bike nimble and responsive. - • **Seamless 12-Speed Shifting:** Experience lightning-fast, ultra-smooth gear changes with Shimano’s cutting-edge Di2 electronic system. ## Overview The Shimano Ultegra FD-R8150 Di2 Front Derailleur is a high-performance, electronic 12-speed front derailleur designed for road bikes. Featuring a lightweight aluminum construction and a braze-on mount, it offers seamless, aerodynamic shifting optimized for 50-54 tooth chainrings and chainstay angles between 61-66 degrees. Engineered for precision and speed, it integrates Shimano’s Di2 platform with Hyperglide+ technology to deliver fast, reliable gear changes that elevate your ride. ## Description Combining Shimano's Di2 platform and the road incarnation of Hyperglide+, the Ultegra FD-R8150 front derailleur shifts between chainrings with the fast and seamless action. Small, sleek and lightweight front derailleur Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50-54t 61-66 degree chainstay angle Includes 1 SD300 port Double or Triple: Double Derailleur Capacity: 16 Front Der/Shifter Compatibility: Shimano Road Di2 Max Ring (teeth): 54 Front Derailleur Style: Traditional Front Derailleur Cable Pull: Electronic Front Derailleur Clamp: Braze-on Drivetrain Speeds: 12 ## Features - Combining Shimano's Di2 platform and the road incarnation of Hyperglide+, the Ultegra FD-R8150 front derailleur shifts between chainrings with the fast and seamless action. - Small, sleek and lightweight front derailleur - Frontal area is smaller than previous designs to reduce aerodynamic drag - Top gear teeth capacity: 50-54t - 61-66 degree chainstay angle - Includes 1 SD300 port - Double - Front Derailleur Clamp: Braze-on - Drivetrain Speeds: 12 - Front Der/Shifter Compatibility: Shimano Road Di2 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09YJ8J2RZ | | Best Sellers Rank | #463,008 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #102 in Front Bike Derailleurs | | Brand Name | SHIMANO | | Case Material Type | Aluminum | | Color | Black/Silver | | Customer Reviews | 5.0 5.0 out of 5 stars (13) | | Global Trade Identification Number | 00192790875309 | | Included Components | Shimano Ultegra FD-R8150 Di2 Front Derailleur | | Item Dimensions L x W x H | 9"L x 5.5"W x 1"H | | Item Weight | 6.4 ounces | | Manufacturer | Shimano | | Manufacturer Part Number | IFDR8150F | | Material Type | Aluminum | | Model Number | Shimano | | Mount Type | Braze-On Mount | | Number of Items | 1 | | Number of Teeth | 27 | | UPC | 192790875309 | | Unit Count | 1 Count | | Warranty Description | 1 year | ## Product Details - **Brand:** SHIMANO - **Color:** Black/Silver - **Item Weight:** 6.4 ounces - **Material:** Aluminum - **Mounting Type:** Braze-On Mount ## Images ![Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed, Braze-on, Down Swing, for 50-54t Max, Black/Silver - Image 1](https://m.media-amazon.com/images/I/61QVhSnU3sL.jpg) ## Frequently Bought Together - SHIMANO Ultegra Fd-R8150 Di2 Front Derailleur Grey, Braze-On - SHIMANO Bt-Dn300 Battery Black, One Size - Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/435665398-shimano-ultegra-fd-r8150-di2-front-derailleur-2x12-speed-braze](https://www.desertcart.jp/products/435665398-shimano-ultegra-fd-r8150-di2-front-derailleur-2x12-speed-braze) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-19*