{"product_id":"box-one-20-rim-406x28mm-36h-no-brake-surface","title":"Box One 20\" Rim 406x28mm 36h No Brake Surface","description":"\u003ch1\u003eBox One Focus 20\" Rim 406×28mm 36h\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 rim weighs 295 grams while maintaining structural integrity through single eyelet construction. Intended for disc brake or brakeless setups only—no braking surface is machined into the sidewalls.\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\u003eNo brake surface\u003c\/strong\u003e – Sidewalls are not machined for rim brakes, reducing weight and eliminating unnecessary material for disc brake or coaster brake applications\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 295 g (10.4 oz)\u003cbr\u003e• \u003cstrong\u003eERD (Effective Rim Diameter):\u003c\/strong\u003e 391 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 Disc brake or brakeless only (no rim brake surface)\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 front or rear wheels on 20\" BMX freestyle, street, or park bikes using disc brakes, coaster brakes, or freecoaster hubs. The 36-hole drilling provides added spoke support for trick riding and impact landings. Best suited for street, park, and dirt jumping where weight savings are valued and rim brakes are not used. 406mm BSD fits standard 20\" × 1.75\" to 2.4\" tires. Not compatible with caliper or U-brakes—disc brake mount or brakeless hub required.\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","brand":"Box","offers":[{"title":"Black \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45037971013811,"sku":"BX-RM14F4066-BK","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45037971112115,"sku":"BX-RM14F4066-RD","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Polish \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45037971046579,"sku":"BX-RM14F4066-SL","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 20\"x1.5\"-1.75\" (406MM)","offer_id":45037971079347,"sku":"BX-RM14F4066-BL","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-no-brake-surface_42ac8863-3137-4fe1-ada5-d63172f99464.jpg?v=1776290768","url":"https:\/\/time2shinebmx.com\/products\/box-one-20-rim-406x28mm-36h-no-brake-surface","provider":"Time 2 Shine ","version":"1.0","type":"link"}