{"product_id":"eccentric-bottom-bracket-for-6873mm-frames-with-55","title":"Eccentric Bottom Bracket For 68\/73mm Frames With 55mm Inner Diameter, CNC Machined Aluminum And Steel Cartridge Bearing, Smooth Precision Fit For Bike, Easy Install, Durable Cycling Component","description":"\u003cdiv\u003eEccentric Bottom Bracket for 68\/73mm frames, 55mm ID bearing\u003cbr\u003e\n✔️ CNC-machined aluminum body with steel core, about 136g \u003cp\u003eThis eccentric bottom bracket is designed for bikes with 68mm or 73mm shells and a 55mm inner diameter, delivering precise chain tension and smooth power transfer for singlespeed and internal gear setups.\u003c\/p\u003e ✅ 68\/73mm shell compatibility\u003cbr\u003e\n✅ 55mm inner diameter\u003cbr\u003e\n✅ CNC machined threads for precise fit\u003cbr\u003e\n✅ Lightweight aluminum body with steel core (136g)\u003cbr\u003e\n✅ Sandblasted finish for corrosion protection\u003cbr\u003e\n✅ Color: Black\u003cbr\u003e \u003cp\u003e💡 What is an eccentric bottom bracket used for in 68\/73mm frame setups?\u003c\/p\u003e\nAn eccentric bottom bracket lets you adjust chain tension by rotating the inner cup, handy for singlespeed and internal gear hub setups.\u003cbr\u003e\nKey points:\u003cbr\u003e\n- 68\/73mm shell compatibility with 55mm ID\u003cbr\u003e\n- CNC-machined aluminum body with steel core\u003cbr\u003e\n- adjustable eccentric for precise chain tension\u003cbr\u003e\n- corrosion-resistant sandblasted finish\u003cbr\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48521978970347,"sku":"VXB0GSF3BWVB","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51USVO96mnL.jpg?v=1779581373","url":"https:\/\/vxb.com\/products\/eccentric-bottom-bracket-for-6873mm-frames-with-55","provider":"VXB Bearings","version":"1.0","type":"link"}