{"product_id":"shimano-di2-bt-dn300-e-tube-battery-12-speed-r9200-r8100-r7100-1","title":"Shimano Di2 BT-DN300 E-Tube Battery 12 Speed R9200, R8100, R7100, Etc. BLUETOOTH","description":"Comes with wiring plug tool, spacers, wires etc. \n\n\u003cp\u003eCompatible with Dura-Ace R9200, Ultegra R8100, 105 R7100 Di2 systems. Brand new OEM. The Shimano BT-DN300 is a built-in Lithium-ion Di2 battery (52g) designed for 12-speed road\/gravel drivetrains, featuring three SD300 ports for simplified wiring and 3.7Wh capacity. It offers extended battery life (approx. 1000–2000 km per charge) and supports both semi-wireless and fully wired setups, fitting inside seatposts or frames.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":49689324159235,"sku":"8830","price":1195.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0515\/4144\/2719\/files\/capture000562_b45013e3-2232-4749-b8a6-007afeeccf32.jpg?v=1790189512","url":"https:\/\/ejrecyclery.com\/en-hk\/products\/shimano-di2-bt-dn300-e-tube-battery-12-speed-r9200-r8100-r7100-1","provider":"EJRecyclery - Cycling New \u0026 Used","version":"1.0","type":"link"}