{"product_id":"bola-29er-carbon-dh-rim-40mm-32mm-30mm","title":"Bola 29er Carbon Downhill MTB Rim, 40mm Outer \/ 32mm Inner, 30mm High, Tubeless-Ready","description":"\u003cp\u003eWhen the trail turns technical and speeds climb, these rims give you the platform to push harder with confidence. Built for aggressive downhill and gravity-focused enduro, the Bola 29er carbon rim balances impact strength, lateral stiffness, and a wide tire bed so modern 2.0–2.6\" MTB tires perform at their best.\u003c\/p\u003e\n\n\u003ch2\u003eBola 29er Carbon Downhill MTB Rim - Designed for downhill and gravity riding\u003c\/h2\u003e\n\n\u003cp\u003eThe 40mm outer \/ 32mm inner width and 30mm profile create a stable, predictable tire shape that improves cornering and traction on steep, rocky lines. Constructed from T700\/T800 unidirectional carbon fiber with an epoxy matrix, the rim is optimized for strength-to-weight performance and consistent manufacturing tolerances.\u003c\/p\u003e\n\n\u003ch3\u003eWhy it fits your routine\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDownhill and enduro-ready dimensions:\u003c\/strong\u003e 29\" (ISO 622mm) rim with a wide 32mm inner width to support larger-volume tires for better traction and reduced tire roll.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-strength carbon layup:\u003c\/strong\u003e T700\/T800 uni-directional carbon fiber provides superior fatigue resistance and lateral stiffness compared with typical alloy rims.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTubeless-ready with hookless bead:\u003c\/strong\u003e Compatible with tubeless systems and recommended for 2.0–2.6\" MTB tires to run lower pressures and improve puncture resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision tolerances:\u003c\/strong\u003e Dynamic balance \u0026lt;3g, flatness tolerance \u0026lt;0.15mm and roundness tolerance \u0026lt;0.3mm for predictable wheel building and consistent ride feel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurpose-built strength:\u003c\/strong\u003e Forward compressive strength \u0026gt;300kg and spoke hole tension \u0026gt;280kg support heavy impacts and high-tension builds for riders up to 120kg when properly built.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWheel build ready:\u003c\/strong\u003e 28H drilling, ERD 579mm, 6.5mm Presta valve hole (customizable) to fit standard J-bend or straight-pull spokes and common hub standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControlled weight:\u003c\/strong\u003e Nominal rim weight 620g (±15g) offering a balance between durability and rotational mass for gravity-oriented riding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits 29\"\/700c systems; Schrader valves require alteration; supports standard tubeless tape and valves with recommended tape application for secure sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEngineered and tested to ISO 4210-7 impact and fatigue standards and trusted by race teams, these rims prioritize structural reliability and predictable behavior under load, making them suitable for competitive and recreational downhill riders who demand a robust, high-performance wheel platform.\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Standard","offer_id":48190914429182,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48190914461950,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Standard","offer_id":48228972429566,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48228972462334,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Standard","offer_id":48228972495102,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48228972527870,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Standard","offer_id":48190914527486,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48190914560254,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Standard","offer_id":48228972560638,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48228972593406,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Standard","offer_id":48228972626174,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48228972658942,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Standard","offer_id":48190914625790,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48190914658558,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Standard","offer_id":48228972691710,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48228972724478,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Standard","offer_id":48228972757246,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48228972790014,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Standard","offer_id":48190914724094,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48190914756862,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Standard","offer_id":48228972822782,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48228972855550,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Standard","offer_id":48228972888318,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48228972921086,"sku":null,"price":430.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_wide_carbon_rims_d7cf37dd-e309-48ad-88d8-27f16df16c68.png?v=1780298427","url":"https:\/\/bolacarbon.com\/pt\/products\/bola-29er-carbon-dh-rim-40mm-32mm-30mm","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}