{"product_id":"box-two-top-load-22-2mm-stem-1","title":"Box Two Top Load 22.2mm Stem 1\"","description":"\u003ch1\u003eBox Two Top Load 22.2mm Stem 1\"\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Box Two Top Load is a stem designed for BMX racing with standard 22.2mm handlebars and 1\" steerer tubes. Cold forged and CNC-machined from 6061-T6 aluminum, it features a top-load clamp design for clean handlebar installation. Available in 40mm and 45mm extension lengths with zero-degree rise.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e• \u003cstrong\u003eCold forged and CNC-machined construction\u003c\/strong\u003e – Forging process compresses aluminum grain structure for improved strength-to-weight ratio, followed by CNC machining for precise tolerances and weight reduction\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eTop-load clamp design\u003c\/strong\u003e – Handlebars load from the top with front cap removal, providing clean aesthetics and allowing easier bar installation compared to side-load or front-load designs\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003e6061-T6 aluminum construction\u003c\/strong\u003e – Heat-treated aluminum alloy balances strength and light weight for durable stem performance\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eZero-degree rise\u003c\/strong\u003e – Flat extension places handlebars at stem centerline height for neutral positioning\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eCompact extension options\u003c\/strong\u003e – 40mm and 45mm lengths accommodate younger riders and tight cockpit setups common in Mini and Junior class racing\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003e• \u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 aluminum\u003cbr\u003e• \u003cstrong\u003eSteerer tube clamp:\u003c\/strong\u003e 1\" (25.4mm)\u003cbr\u003e• \u003cstrong\u003eHandlebar clamp diameter:\u003c\/strong\u003e 22.2mm (standard)\u003cbr\u003e• \u003cstrong\u003eClamp type:\u003c\/strong\u003e Top-load\u003cbr\u003e• \u003cstrong\u003eRise:\u003c\/strong\u003e 0 degrees\u003cbr\u003e• \u003cstrong\u003eExtension lengths:\u003c\/strong\u003e 40mm or 45mm\u003cbr\u003e• \u003cstrong\u003eWeight (±5%):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e40mm: 138 g (4.9 oz)\u003c\/li\u003e\n\u003cli\u003e45mm: 148 g (5.2 oz)\u003cbr\u003e• \u003cstrong\u003eStack bolt:\u003c\/strong\u003e M6×18L (P1.0)\u003cbr\u003e• \u003cstrong\u003eClamp bolt:\u003c\/strong\u003e M6×18L (P1.0)\u003cbr\u003e• \u003cstrong\u003eDesign\/Manufacturing:\u003c\/strong\u003e Designed in USA, Made in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility and Ideal Use Cases\u003c\/h2\u003e\n\u003cp\u003eDesigned for BMX race bikes with 1\" steerer tubes and standard 22.2mm handlebars. Best suited for Mini and Junior class racing where shorter extension lengths match younger riders' proportions and reduce overall cockpit reach. The top-load design simplifies handlebar installation and provides clean visual appearance. Zero-degree rise offers neutral bar positioning, suitable for riders who achieve proper handlebar height through spacer stack or fork selection. Not compatible with 1-1\/8\" steerer tubes, tapered steerers, or 31.8mm oversize handlebars—verify fork steerer diameter and handlebar clamp size before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e US orders ship direct from manufacturer and may arrive separately from other items.\u003c\/p\u003e \u003cdiv\u003e\u003cp.\u003e\u003ci\u003e\u003cu\u003e\u003cfont size=\"2\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/p.\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e**Due to unique nature of this item, ALL sales of this product are FINAL. No Refunds or Returns**\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"Box","offers":[{"title":"Blue \/ 45mm","offer_id":45319457898675,"sku":"BX-ST1801T45-BL","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 40mm","offer_id":45276262367411,"sku":"BX-ST1801T40-BL","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Red \/ 40mm","offer_id":45276262432947,"sku":"BX-ST1801T40-RD","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Red \/ 45mm","offer_id":45276262465715,"sku":"BX-ST1801T45-RD","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 40mm","offer_id":45313568145587,"sku":"BX-ST1801T40-BK","price":54.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ 45mm","offer_id":45313568178355,"sku":"BX-ST1801T45-BK","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Polish \/ 40mm","offer_id":45313568211123,"sku":"BX-ST1801T40-SL","price":54.99,"currency_code":"USD","in_stock":false},{"title":"Polish \/ 45mm","offer_id":45313568243891,"sku":"BX-ST1801T45-SL","price":54.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/box-two-top-load-222mm-stem-1_d0a3807a-e811-4d1a-bb2c-1e9b2edeae30.jpg?v=1783442077","url":"https:\/\/time2shinebmx.com\/products\/box-two-top-load-22-2mm-stem-1","provider":"Time 2 Shine ","version":"1.0","type":"link"}