{"product_id":"promax-4-bolt-104-bcd-chainrings-chainrings-cnrg1905","title":"Promax 42t 4-Bolt Aluminum Chainring - CNC Machined 6061-T6 for BMX \u0026 Single Speed, 104 BCD, Lightweight Black Cycling Gear","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eEnhance your BMX and single-speed setup with the Promax 4-Bolt Chainring - 42T, 104 BCD, Black, engineered for durability, performance, and style. Crafted from premium 6061-T6 aluminum, this high-performance chainring combines lightweight design with exceptional strength, making it an ideal choice for competitive BMX racing, urban commuting, and casual riding.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eManufactured from CNC-machined high-grade 6061-T6 aluminum, the Promax 42-tooth chainring offers superior strength-to-weight ratio, ensuring reliable performance under demanding riding conditions. Its durable black anodized finish not only enhances corrosion resistance but also provides a sleek, professional appearance suitable for any bike aesthetic.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned to withstand the torque and stress of aggressive BMX racing and single-speed applications, this 42T chainring features precise CNC machining for perfect tooth finish and dimensional accuracy. Its round shape ensures smooth power transfer and efficient pedaling, while the 104 BCD bolt circle diameter ensures compatibility with a wide range of cranksets and spiders.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThis 4-bolt chainring is compatible with most cranksets utilizing a 104 BCD pattern, making it a versatile upgrade or replacement component. Its single-speed drivetrain (3\/32\" chain) makes it ideal for BMX, urban bikes, and fixed-gear setups, emphasizing simplicity, durability, and efficient power delivery.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eWith a sleek matte black finish and clean design, this chainring complements any bike style-from aggressive BMX builds to minimalist urban commuter bikes. Perfect for cyclists seeking reliable performance, enhanced acceleration, and a sharp look on the trails, street, or velodrome.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- CNC-machined from high-grade aluminum for optimal strength and lightweight performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Compatibility with most 4-bolt 104 BCD cranksets and spiders\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Designed for single-speed setups with a focus on durability and efficiency\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Sleek black anodized finish for corrosion resistance and style\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eUpgrade your bike's drivetrain today with the Promax 42T 4-Bolt Chainring-engineered for racers, commuters, and enthusiasts who demand performance, durability, and style.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-quality, laser CNC machined from durable 6061-T6 aluminum for exceptional strength, lightweight performance, and enhanced cycling responsiveness\u003c\/li\u003e\n\u003cli\u003eOptimized for BMX racing and single-speed applications, offering reliable torque handling, precise chain engagement, and smooth power transfer on demanding terrains\u003c\/li\u003e\n\u003cli\u003eCompatible with most 4-bolt 104 BCD cranksets and spiders, ensuring versatile installation across a wide range of bicycles and drivetrain setups\u003c\/li\u003e\n\u003cli\u003eSleek black anodized finish combines style and durability, making this 42t round chainring a perfect upgrade for aggressive riding and stylish urban cycling\u003c\/li\u003e\n\u003cli\u003eDesigned for high performance with a 42-tooth count and dedicated single-speed compatibility, improving acceleration, pedal efficiency, and overall riding experience\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":42203860860995,"sku":"CNRG1905","price":30.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CR2073.jpg?v=1773607665","url":"https:\/\/365cycles.com\/products\/promax-4-bolt-104-bcd-chainrings-chainrings-cnrg1905","provider":"365 Cycles","version":"1.0","type":"link"}