{"product_id":"fd-r8150","title":"FD-R8150 (ULTEGRA)","description":"\u003ch3 class=\"list_anchor_cs_h3\"\u003eSHIMANO FD-R8150 (ULTEGRA) | 12-speed Di2 Front Derailleur for Fast and Smooth Shifting\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eNext-generation ULTEGRA Di2, eliminating front shifting stress.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe SHIMANO ULTEGRA R8100 series \"FD-R8150\" is a front derailleur compatible with 2x12-speed Di2 systems.\u003c\/p\u003e\n\u003cp\u003eIt achieves approximately 45% faster front shifting performance compared to the previous generation, making it Shimano's fastest shifting ever. This allows for smooth and precise shifting even under high load or during race-pace riding.\u003c\/p\u003e\n\u003cp\u003eIn addition, the overall unit has been significantly compacted, reducing the frontal area by approximately 33%. This also achieves a lighter weight, providing a high-level balance of aerodynamic and shifting performance.\u003c\/p\u003e\n\u003cp\u003eInheriting technology from DURA-ACE, this front derailleur delivers high performance in a wide range of situations, from races to long rides.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"list_anchor_cs_h3\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eULTEGRA R8100 series 2x12-speed Di2 front derailleur\u003c\/li\u003e\n\n\u003cli\u003eApproximately 45% faster front shifting performance compared to previous models\u003c\/li\u003e\n\n\u003cli\u003eAchieves Shimano's fastest shifting ever\u003c\/li\u003e\n\n\u003cli\u003eCompact design with approximately 33% reduction in frontal area\u003c\/li\u003e\n\n\u003cli\u003eLightweight and aerodynamically superior design\u003c\/li\u003e\n\n\u003cli\u003eSmooth and precise shifting performance even under high load\u003c\/li\u003e\n\n\u003cli\u003eCompatible with 46-52T chainrings\u003c\/li\u003e\n\n\u003cli\u003eHigh integration with Di2 system\u003c\/li\u003e\n\n\u003cli\u003eSuitable for a wide range of uses, from racing to long rides\u003c\/li\u003e\n\n\u003cli\u003eHigh-performance design inherited from DURA-ACE\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"list_anchor_cs_h3\"\u003eSPEC\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eSeries: ULTEGRA R8100\u003c\/li\u003e\n\n\u003cli\u003eModel: FD-R8150\u003c\/li\u003e\n\n\u003cli\u003eCompatible speeds: Front 2-speed \/ Rear 12-speed\u003c\/li\u003e\n\n\u003cli\u003eCompatible chain: HG 12-speed\u003c\/li\u003e\n\n\u003cli\u003eMount type: Braze-on\u003c\/li\u003e\n\n\u003cli\u003eAction: Down-swing\u003c\/li\u003e\n\n\u003cli\u003eCompatible outer chainring: 46-52T\u003c\/li\u003e\n\n\u003cli\u003eTotal capacity: 16T\u003c\/li\u003e\n\n\u003cli\u003eChain line: 44.5mm\u003c\/li\u003e\n\n\u003cli\u003eChainstay angle: 61-66°\u003c\/li\u003e\n\n\u003cli\u003eAverage weight: Approx. 110g\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe R8100 generation ULTEGRA has very refined front shifting.\u003c\/p\u003e\n\u003cp\u003eNot only is the shifting speed fast, but the chain moves smoothly, so it doesn't disrupt your rhythm even when climbing or accelerating. Those who have switched from mechanical systems will particularly notice the difference.\u003c\/p\u003e\n\u003cp\u003eThe compact body also has a clean appearance and is perfectly compatible with the latest aero and lightweight road bikes.\u003c\/p\u003e\n\u003cp\u003eThis Di2 front derailleur is recommended not only for competitive riders but also for those seeking comfortable shifting performance on long rides.\u003c\/p\u003e","brand":"SHIMANO","offers":[{"title":"In-store stock","offer_id":50119787675923,"sku":"4550170875305","price":32219.0,"currency_code":"JPY","in_stock":false},{"title":"Manufacturer取り寄せ（約10日）","offer_id":50119787708691,"sku":"oty-4550170875305","price":32219.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/4237\/2883\/files\/FD-R8150_1.jpg?v=1732530903","url":"https:\/\/store-eirin-jp.com\/en\/products\/fd-r8150","provider":"京都の自転車屋 CYCLE SHOP eirin ＆ サイクルハテナ","version":"1.0","type":"link"}