{"product_id":"mountain-bike-stem-318mm-clamp-40mm-length-3-degre","title":"Mountain Bike Stem 31.8mm Clamp, 40mm Length, 3 Degree Rise, Short Handlebar Upgrade For Road, BMX, Cycling, CNC Aluminum 6061 T6, Four-Bolt Bar Clamp, Lightweight 112g, Easy Install","description":"\u003cdiv\u003e31.8mm MTB Stem 40mm 3° Rise CNC 6061-T6 4 Bolt Single\u003cbr\u003e\n✔️ 31.8mm clamp, 28.6mm steerer, 40mm length, 112g, 3° rise, 4 bolt \u003cp\u003eThis compact stem attaches to the front fork and connects to the handlebars, ideal for upgrading or building a light, sturdy cockpit on road, mountain, BMX, and fixed-gear bikes.\u003c\/p\u003e \u003cp\u003e✅ Handlebar diameter 31.8mm (1-1\/4 in), steerer diameter 28.6mm (1-1\/8 in)\u003cbr\u003e✅ Length 40mm, rise 3°, weight 112g\u003cbr\u003e✅ Material CNC aluminum 6061 T6, four-bolt clamp\u003cbr\u003e✅ Suitable for road, MTB, BMX and DIY bike upgrades\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a mountain bike stem used for and how does clamp size affect fit?\u003c\/p\u003e\n\u003cp\u003eA handy explanation of stem function and sizing for cockpit geometry.\u003c\/p\u003e\n- clamp size 31.8mm matches most handlebars\n- length 40mm and rise 3° influence reach and handlebar height\n- four-bolt clamp and CNC aluminum build secure grip\n- compatibility with road, MTB, BMX upgrades \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48524866420971,"sku":"VXB08X3JRYZW","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/616IMCFhYcL.jpg?v=1779599840","url":"https:\/\/vxb.com\/products\/mountain-bike-stem-318mm-clamp-40mm-length-3-degre","provider":"VXB Bearings","version":"1.0","type":"link"}