{"product_id":"34mm-wide-carbon-road-gravel-rim-45mm-50mm-wave-rim-uv-shape-24-spoke-tubeless","title":"Innovative Bluetooth Wireless Earbuds","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExperience Exceptional Sound Quality with Bluetooth Wireless Earbuds\u003c\/h2\u003e\n\u003cp\u003eA high-modulus carbon fiber road rim engineered for disc brake drivetrains. Available in two aerodynamic heights — 45mm and 50mm — with a 34mm outer width and 25mm inner width optimized for 28–32mm tire fitment. Suited for competitive racing, endurance riding, and premium custom wheel builds for cycling brands and professional teams.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e45mm Height\u003c\/th\u003e\n\u003cth\u003e50mm Height\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003ctd\u003e31mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e539mm\u003c\/td\u003e\n\u003ctd\u003e539mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Normal)\u003c\/td\u003e\n\u003ctd\u003e480 ±15g\u003c\/td\u003e\n\u003ctd\u003e480 ±15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e430 ±10g\u003c\/td\u003e\n\u003ctd\u003e430 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Ultra-light)\u003c\/td\u003e\n\u003ctd\u003e380 ±10g\u003c\/td\u003e\n\u003ctd\u003e380 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eU-shape (hookless-compatible)\u003c\/td\u003e\n\u003ctd\u003eU-shape (hookless-compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStructural Performance Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Balance Tolerance:\u003c\/strong\u003e \u0026lt;3 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness Tolerance:\u003c\/strong\u003e \u0026lt;0.3 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility \u0026amp; Build Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Type:\u003c\/strong\u003e Disc brake only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Hole:\u003c\/strong\u003e 6.5 mm (customizable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole:\u003c\/strong\u003e 4.5 mm (customizable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Hole:\u003c\/strong\u003e 7.5 mm (customizable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNipple Spoke Angle:\u003c\/strong\u003e Front 7°; Rear 5° \u0026amp; 7° (customizable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Tire Width:\u003c\/strong\u003e 28–32mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Drilling:\u003c\/strong\u003e Available in standard and custom hole counts upon request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e45mm vs. 50mm: Which Height to Choose?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e45mm rim\u003c\/strong\u003e offers a balanced aero-to-weight ratio suited for climbing, mixed-terrain endurance rides, and variable crosswind conditions. The \u003cstrong\u003e50mm rim\u003c\/strong\u003e delivers greater aerodynamic efficiency at speeds above 35 km\/h, making it the preferred choice for flat-course racing and time trial segments. Both heights share the same 25mm inner width and structural integrity ratings.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The 34mm outer width applies to the 45mm height variant; the 50mm height variant carries a 31mm outer width. Confirm your build requirement before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCustomization Options\u003c\/h2\u003e\n\u003cp\u003eAvailable for OEM and private-label orders with options for custom spoke hole count, drilling angle, rim decals, and weight tier selection (Normal \/ Superlight \/ Ultra-light). Minimum order quantities apply — contact us for brand partnership pricing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat tire widths are compatible with a 25mm inner-width carbon rim?\u003c\/h3\u003e\n\u003cp\u003eA 25mm inner width (ETRTO-standard) is optimized for 28mm to 32mm tires. Narrower tires (23–25mm) are not recommended as the wide rim profile creates an unfavorable tire-to-rim ratio that reduces cornering stability and increases pinch-flat risk.\u003c\/p\u003e\n\u003ch3\u003eIs a 45mm or 50mm rim better for aero performance?\u003c\/h3\u003e\n\u003cp\u003eThe 50mm height produces measurably lower aerodynamic drag at speeds above 35 km\/h on flat terrain. However, it is more sensitive to crosswinds above 20 km\/h. The 45mm variant is the more versatile choice for riders who encounter varied wind conditions or significant elevation change.\u003c\/p\u003e\n\u003ch3\u003eHow much do these carbon rims weigh compared to aluminum rims?\u003c\/h3\u003e\n\u003cp\u003eThe Ultra-light build weighs 380 ±10g per rim — approximately 30–40% lighter than a comparable aluminum disc rim (typically 500–580g). The weight reduction directly lowers rotational mass, improving acceleration responsiveness.\u003c\/p\u003e\n\u003ch3\u003eAre these rims tubeless-compatible?\u003c\/h3\u003e\n\u003cp\u003eThe U-shape (hookless) profile is designed for tubeless and tubeless-ready tire setups when paired with an appropriate tubeless rim tape and valve. Maximum tire pressure of 125 psi applies; verify tubeless tire manufacturer pressure limits before inflation.\u003c\/p\u003e\n\u003ch3\u003eWhat is the maximum rider weight for these rims?\u003c\/h3\u003e\n\u003cp\u003eRated for riders up to 120 kg (264 lbs), inclusive of rider, clothing, and cargo weight. Riders approaching this limit should select the Normal weight tier (480 ±15g) for maximum structural margin.\u003c\/p\u003e\n\u003ch3\u003eCan I order custom spoke counts or drilling angles?\u003c\/h3\u003e\n\u003cp\u003eYes. Spoke hole diameter, assembly hole diameter, valve hole diameter, and nipple drilling angle are all customizable. Custom configurations are available for OEM partners and professional team orders with standard lead times.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAdvanced Sound Technology for Crystal Clear Audio\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBluetooth wireless earbuds are designed to deliver clear, high-fidelity sound with deep bass and crisp treble. Using advanced sound drivers and noise-cancellation features, these earbuds enhance your listening experience by reducing background noise and providing immersive audio wherever you go. Whether you’re enjoying music, podcasts, or calls, Bluetooth wireless earbuds offer outstanding sound performance that meets modern audio standards.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComfortable and Secure Fit for All-Day Use\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOne significant advantage of Bluetooth wireless earbuds is their ergonomic design, which provides a comfortable and secure fit even during extended wear. Lightweight materials and customizable ear tips ensure that the earbuds stay in place during workouts, commutes, or daily activities. This focus on comfort helps prevent ear fatigue and enhances convenience for users who need a reliable wireless audio solution throughout the day.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLong Battery Life with Quick Charging Features\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBluetooth wireless earbuds come equipped with rechargeable batteries that offer several hours of continuous playback on a single charge. Many models include fast-charging capabilities, allowing you to quickly boost battery life in just a few minutes. Additionally, compact charging cases provide multiple full charges while on the go, ensuring uninterrupted wireless audio without the hassle of frequent plugging in.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ Standard","offer_id":48134120669438,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Superlight","offer_id":48134120702206,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Ultralight","offer_id":48134120734974,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Extremelight","offer_id":48134120767742,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Standard","offer_id":48134120800510,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Superlight","offer_id":48134120833278,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Ultralight","offer_id":48134120866046,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Extremelight","offer_id":48134120898814,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Standard","offer_id":48134120931582,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Superlight","offer_id":48134120964350,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Ultralight","offer_id":48134120997118,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Extremelight","offer_id":48134121029886,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Standard","offer_id":48134121062654,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Superlight","offer_id":48134121095422,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Ultralight","offer_id":48134121128190,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Extremelight","offer_id":48134121160958,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/wave_rims_512e095a-18ab-4660-add6-dbe651d0d7f8.jpg?v=1780298379","url":"https:\/\/bolacarbon.com\/es\/products\/34mm-wide-carbon-road-gravel-rim-45mm-50mm-wave-rim-uv-shape-24-spoke-tubeless","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}