{"product_id":"overfast-y1rs-ultralight-battery-holder","title":"OVERFAST Y1RS Ultralight Battery Holder","description":"\u003cp\u003eFive to ten grams of carbon that ends the rattle inside your Colnago Y1RS seatpost.\u003c\/p\u003e\u003cp\u003eFor Shimano Di2, a carbon fibre cover over a 3D-printed carbon composite body; for SRAM, a full-carbon holder at 5 grams. Both in a forged carbon or 3K weave finish. Ultralight, secure fit, no rattle — three claims, all of them the point.\u003c\/p\u003e\u003ch3\u003eThe essentials\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eShimano Di2 version: 10 g ±1 g — carbon cover + 3D-printed composite body\u003c\/li\u003e\n\u003cli\u003eSRAM version: 5 g ±1 g — full carbon\u003c\/li\u003e\n\u003cli\u003eFinishes: forged carbon or 3K weave\u003c\/li\u003e\n\u003cli\u003eFits: Colnago Y1RS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSpecial order; lead time confirmed in writing before payment.\u003c\/em\u003e\u003c\/p\u003e","brand":"OVERFAST","offers":[{"title":"Shimano Di2 \/ Forged Carbon","offer_id":47817310634161,"sku":"OF-Y1RS-BC-01","price":50.0,"currency_code":"USD","in_stock":true},{"title":"Shimano Di2 \/ 3K Carbon","offer_id":47817310666929,"sku":"OF-Y1RS-BC-02","price":50.0,"currency_code":"USD","in_stock":true},{"title":"SRAM \/ Forged Carbon","offer_id":47817310699697,"sku":"OF-Y1RS-BC-03","price":50.0,"currency_code":"USD","in_stock":true},{"title":"SRAM \/ 3K Carbon","offer_id":47817310732465,"sku":"OF-Y1RS-BC-04","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/3328\/2737\/files\/OVERFAST-DI2HOLDER-1-scaled-600x600.png?v=1785883135","url":"https:\/\/maisonwatt.com\/products\/overfast-y1rs-ultralight-battery-holder","provider":"Maison Watt","version":"1.0","type":"link"}