{"product_id":"un300-e-type-square-taper-bottom-bracket-with-68mm","title":"UN300 E Type Square Taper Bottom Bracket With 68Mm Shell And 122.5Mm Hollow Spindle For Lightweight Power Transfer, JIS Compatible, Fits Road And MTB Rigs, Ideal For E Type Front Derailleurs And Broad Setup","description":"\u003cdiv\u003eUN300-E JIS Bottom Bracket: 68mm shell, 122.5mm spindle\u003cbr\u003e\n✔️ Lightweight hollow spindle; 68mm shell; 122.5mm length; JIS taper \u003cp\u003eDesigned for JIS square-taper cranksets, this BB-UN300-E fits 68mm shells and 122.5mm spindles, making it a solid upgrade for road and mountain bikes. It's ideal for E-Type front derailleur systems and modern builds that value lightweight power transfer.\u003c\/p\u003e \u003cp\u003e✅ JIS square-taper interface for secure crank attachment \u003cbr\u003e\n✅ 68mm shell width and 122.5mm spindle length for common frames (68x122.5mm) \u003cbr\u003e\n✅ Hollow spindle reduces weight while keeping strength \u003cbr\u003e\n✅ English threaded shell with 1.37\" (34.8mm) I.D. compatibility \u003cbr\u003e\n✅ Supports E-Type front derailleurs for road\/ MTB setups \u003cbr\u003e\n✅ Durable black finish resists corrosion and wear \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a hollow-spindle bottom bracket and why pick it for road and MTB bikes?\u003c\/p\u003e\n\u003cp\u003eLightweight design helps with acceleration and improves pedaling efficiency while keeping durability.\u003c\/p\u003e\n- Hollow spindle lowers rotating mass for quicker response \u003cbr\u003e\n- Compatible with JIS square-taper cranks and 68mm shells \u003cbr\u003e\n- Supports E-Type front derailleur setups for versatile builds \u003cbr\u003e\n- Durable black finish resists corrosion and wear\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48523712463083,"sku":"VXB08CGCH1ZT","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61s08m9NzmL_c3069cde-9d8f-4b0b-928d-52cf8e1f6267.jpg?v=1779593424","url":"https:\/\/vxb.com\/products\/un300-e-type-square-taper-bottom-bracket-with-68mm","provider":"VXB Bearings","version":"1.0","type":"link"}