{"product_id":"shimano-bt-dn300-di2-internal-battery","title":"Shimano BT-DN300 Di2 Internal Battery","description":"\u003cp\u003e\u003cspan\u003eThe Ultegra R8100 is Shimano’s latest offering for riders looking to take their performance to the next level. Drawing heavily on Dura-Ace technology.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eHIGHLIGHTS\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe Ultegra R8100 is Shimano’s latest offering for riders looking to take their performance to the next level. Drawing heavily on Dura-Ace technology, it brings the same design philosophy and many of the same features, now in a 12-speed configuration. It’s ideal for road cyclists who want reliable, high-performance shifting.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eFEATURES\u003c\/h4\u003e\n\u003cp data-start=\"599\" data-end=\"896\"\u003e\u003cstrong\u003ePerformance and design\u003c\/strong\u003e\u003cbr data-start=\"621\" data-end=\"624\"\u003eThe R8100 shares DNA with the R9200 Dura-Ace series, offering smooth, precise shifting and efficient power transfer. It’s designed for riders who want a competitive edge on club rides, training sessions, or racing, delivering consistent performance across all functions.\u003c\/p\u003e\n\u003cp data-start=\"898\" data-end=\"1319\"\u003e\u003cstrong\u003eWireless simplicity\u003c\/strong\u003e\u003cbr data-start=\"917\" data-end=\"920\"\u003eThe Ultegra R8100 uses Shimano’s updated Di2 platform, making the shifter and derailleur wireless for clean installation and easy operation. The system retains a wired connection between the rear derailleur and the internal battery for reliable charging and power management. The STI shifter buttons are powered by coin-style CR1632 batteries, which generally last 1.5 to 2 years under normal use.\u003c\/p\u003e\n\u003cp data-start=\"1321\" data-end=\"1514\"\u003e\u003cstrong\u003eBattery and charging\u003c\/strong\u003e\u003cbr data-start=\"1341\" data-end=\"1344\"\u003eThe groupset comes with an internal battery shared between the front and rear derailleurs, keeping maintenance simple and letting you enjoy your ride with minimal fuss.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1552\" data-end=\"1601\"\u003e12-speed rear derailleur for a wide gearing range\u003c\/li\u003e\n\u003cli data-start=\"1604\" data-end=\"1659\"\u003eShares design and performance DNA with Dura-Ace R9200\u003c\/li\u003e\n\u003cli data-start=\"1662\" data-end=\"1708\"\u003eWireless shifter-to-derailleur communication\u003c\/li\u003e\n\u003cli data-start=\"1711\" data-end=\"1775\"\u003eInternal battery with simple charging from the rear derailleur\u003c\/li\u003e\n\u003cli data-start=\"1778\" data-end=\"1842\"\u003eSTI shifter buttons powered by long-life CR1632 coin batteries\u003c\/li\u003e\n\u003cli data-start=\"1845\" data-end=\"1894\"\u003eReliable, precise shifting across all functions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42420897447997,"sku":"4550170894733","price":899.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/5643\/0397\/files\/9d129fd8-55a7-4e87-82cf-69fb1e289b2a.jpg?v=1750428258","url":"https:\/\/wolfis.ae\/products\/shimano-bt-dn300-di2-internal-battery","provider":"Wolfi's","version":"1.0","type":"link"}