{"product_id":"shimano-ultegra-rd-r8150-di2-rear-derailleur-12-speed-shadow-rd-gs-direct-mount","title":"Shimano Ultegra RD-R8150 Di2 Rear Derailleur 12-Speed Shadow RD GS Direct Mount","description":"\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003cbr\u003eUpgrade your shift performance with the Shimano Ultegra RD-R8150 Di2 Rear Derailleur. Designed for 12-speed SRAM-compatible systems, this Shadow RD GS Direct Mount derailleur delivers precise, reliable shifting under all riding conditions. Its lightweight, compact profile reduces drag and enhances wheel clearance, while advanced Di2 integration ensures synchronized gear changes with minimal effort. The RD-R8150 is built for road riders who demand crisp shifts, durability, and quiet operation on long climbs and fast descents. With direct mount compatibility and a robust construction, it’s a seamless upgrade for Shimano 12-speed electronic drivetrains, helping you maintain optimal chain wrap and accurate tension across the cassette. Smooth indexing, reduced maintenance, and compatibility with high-performance braking systems make it a strong choice for performance-focused Shimano setups.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003cbr\u003e- Model: Shimano Ultegra RD-R8150\u003cbr\u003e- Version: Di2 rear derailleur 12-speed\u003cbr\u003e- Drivetrain compatibility: 12-speed road\u003cbr\u003e- Derailleur type: Shadow RD GS\u003cbr\u003e- Mounting: Direct Mount\u003cbr\u003e- Link\/actuation: Di2 electronic shifting\u003cbr\u003e- Cage type: Short cage (GS variants may vary by model; verify compatibility)\u003cbr\u003e- Color: Black (finish may vary slightly by production lot)\u003cbr\u003e- Weight: Typically lightweight for performance road derailleur (exact weight not specified)\u003cbr\u003e- Compatibility notes: Suitable for Shimano 12-speed road drivetrains; for use with appropriate 12-speed cassettes and chain\u003cbr\u003e- EAN: 4550170240967\u003cbr\u003e\u003cbr\u003eNote\u003cbr\u003eThe product description and technical specification should be verified on the vendor's website to ensure the latest information.","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":54781574054211,"sku":"EA4550170240967","price":339.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0338\/7647\/6043\/files\/4550170240967_1.jpg?v=1788220499","url":"https:\/\/itradecenter.store\/products\/shimano-ultegra-rd-r8150-di2-rear-derailleur-12-speed-shadow-rd-gs-direct-mount","provider":"iTradeCenter.Store","version":"1.0","type":"link"}