{"product_id":"box-one-20-rim-406x28mm-36h-with-brake-surface","title":"Box One 20\" Rim 406x28mm 36h With Brake Surface","description":"\u003ch1\u003eBox One Focus 20\" Rim 406×28mm 36h With Brake Surface\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Box One Focus is a lightweight double-wall rim designed for 20\" BMX freestyle and street wheels. Built with a low-profile extrusion that removes excess material, this 36-hole rear rim weighs 362 grams and includes a machined braking surface for caliper or U-brake compatibility. Single eyelet construction allows higher spoke tension for improved wheel stiffness and durability.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e• \u003cstrong\u003eDouble-wall construction\u003c\/strong\u003e – Inner support wall distributes spoke tension and impact loads across the rim structure for improved strength-to-weight ratio\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eSingle eyelets\u003c\/strong\u003e – Metal inserts at each spoke hole resist spoke pull-through under high tension, allowing tighter wheel builds without rim failure\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eLow-profile extrusion\u003c\/strong\u003e – Minimized material in non-structural areas reduces rotational weight without compromising lateral stiffness\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eMachined brake surface\u003c\/strong\u003e – Sidewalls are precision-machined to provide consistent braking performance with caliper or U-brake systems\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eENBMX compliant\u003c\/strong\u003e – Meets or exceeds European BMX standards for rim performance and durability\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003e• \u003cstrong\u003eRim size:\u003c\/strong\u003e 20\" × 1.75\" (406mm BSD)\u003cbr\u003e• \u003cstrong\u003eInternal width:\u003c\/strong\u003e 28 mm\u003cbr\u003e• \u003cstrong\u003eSpoke holes:\u003c\/strong\u003e 36h\u003cbr\u003e• \u003cstrong\u003eWeight:\u003c\/strong\u003e 362 g (12.7 oz)\u003cbr\u003e• \u003cstrong\u003eERD (Effective Rim Diameter):\u003c\/strong\u003e 394 mm\u003cbr\u003e• \u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 alloy\u003cbr\u003e• \u003cstrong\u003eWall type:\u003c\/strong\u003e Double-wall with single eyelets\u003cbr\u003e• \u003cstrong\u003eBrake compatibility:\u003c\/strong\u003e Rear wheel with machined brake surface (caliper\/U-brake)\u003cbr\u003e• \u003cstrong\u003eColor options:\u003c\/strong\u003e Anodized Black, Red, Blue, Gold\u003c\/p\u003e\n\u003ch2\u003eCompatibility and Ideal Use Cases\u003c\/h2\u003e\n\u003cp\u003eDesigned for rear wheels on 20\" BMX freestyle, street, or park bikes using rim brakes (caliper or U-brake). The 36-hole drilling provides added spoke support for trick riding and impact landings. Best suited for street, park, and dirt jumping where reliable braking is required. 406mm BSD fits standard 20\" × 1.75\" to 2.4\" tires. Not recommended for disc brake setups—brake surface adds weight unnecessary for disc applications.\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 COMPONENTS","offers":[{"title":"Black \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45037971144883,"sku":"BX-RM1340636-BK","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45273490751667,"sku":"BX-RM1340636-BL","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45037971243187,"sku":"BX-RM1340636-RD","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Polish \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45037971177651,"sku":"BX-RM1340636-SL","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/box-one-20-rim-406x28mm-36h-with-brake-surface.jpg?v=1783447975","url":"https:\/\/time2shinebmx.com\/products\/box-one-20-rim-406x28mm-36h-with-brake-surface","provider":"Time 2 Shine ","version":"1.0","type":"link"}