{"product_id":"ethirteen-chainring-quickconnect-ethirteen-cnrg2409-bicycle-chainring","title":"E*thirteen Ultralight 40t Guide Ring Chainring - Black, Boost 148mm \u0026 Superboost Compatibility, Narrow-Wide Teeth for 10-12 Speed MTB \u0026 Gravel Riding","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eElevate your riding performance with the Ethirteen Ultralight Guidering (5mm Boost), 40T - Black NLS, the ultimate direct mount chainring engineered for mountain biking, gravel riding, and trail adventures. Designed with precision and innovation, this high-performance component delivers enhanced durability, optimized chain retention, and compatibility across multiple drivetrain systems.\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\u003eConstructed from aerospace-grade aluminum alloy, the Ethirteen Ultralight Guidering ensures maximum strength-to-weight ratio while remaining lightweight for competitive and recreational riders. The sleek black anodized finish provides corrosion resistance and a modern aesthetic that complements any bike setup.\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\u003eFeaturing the latest M3 narrow-wide tooth profile, this 40-tooth chainring significantly reduces chain noise and minimizes system wear, extending the lifespan of your drivetrain components. Its optimized tooth design guarantees secure chain engagement, even on rugged trails or challenging terrains, giving you confidence on every ride.\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\u003eCompatible with 10, 11, and 12-speed drivetrains, including Shimano and SRAM systems, the Ultralight Guidering offers flexible integration for diverse bike builds. The direct mount (QuickConnect Ethirteen) system ensures a secure, tool-free installation and quick swaps, saving you time in the pit or trail. Designed to fit XCX, TRS, and LG1 cranksets, it provides a Boost 148mm chainline for mountain bikes or 142mm for gravel setups, ensuring optimal power transfer and clearance. Additionally, it supports Superboost spacing on TRS and LG1 cranks for maximum versatility.\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\u003eDesigned for aggressive trail riders, gravel grinders, and XC racers, this chainring combines lightweight performance with rugged durability. Its sleek black aesthetic complements any bike color scheme, while the narrow-wide profile enhances chain security during high-speed descents and technical climbs. Whether you're tackling the forest trails, gravel roads, or your local XC course, this chainring is engineered to keep up with your demanding riding style.\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- Ultra-lightweight construction with aerospace-grade aluminum\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- M3 narrow-wide tooth profile reduces chain noise and system wear\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Compatible with 10\/11\/12-speed Shimano \u0026amp; SRAM drivetrains\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- QuickConnect direct mount system for easy installation and removal\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Designed for Boost 148mm and Superboost spacing compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eUpgrade your drivetrain with the Ethirteen Ultralight Guidering 40T for enhanced performance, durability, and style. Experience the difference in ride quality and efficiency that comes with advanced engineering and innovative technology.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eKeywords: mountain bike chainring, direct mount chainring, boost chainline, narrow-wide tooth profile, 12-speed compatible, Shimano, SRAM, gravel bike, XC racing, trail riding, lightweight aluminum chainring, anti-chain drop, Boost 148mm, Superboost, Ethirteen, quick connect, bike drivetrain upgrade\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eEnhanced lightweight aluminum construction for optimal strength-to-weight ratio, reducing pedal fatigue on long rides. \u003c\/li\u003e\n\u003cli\u003eInnovative M3 narrow-wide tooth profile minimizes chain noise and system wear, ensuring smoother, quieter shifting for 10-12 speed SRAM and Shimano drivetrains. \u003c\/li\u003e\n\u003cli\u003eDesigned for direct mount compatibility with E*Thirteen's QuickConnect system and applicable to XCX, TRS, and LG1 cranks for versatile mountain and gravel cycling. \u003c\/li\u003e\n\u003cli\u003eOffers a Boost 148mm chainline for XCX mountain bikes and 142mm for gravel models, ensuring optimal chain alignment and drivetrain efficiency across different bike setups. \u003c\/li\u003e\n\u003cli\u003eSecure single-ring design with anti-chain drop features, combined with durable materials and Precision engineering for reliable performance in demanding off-road conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"E*thirteen","offers":[{"title":"Default Title","offer_id":42355797917763,"sku":"CNRG2409","price":83.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/EV8618.jpg?v=1773674013","url":"https:\/\/365cycles.com\/products\/ethirteen-chainring-quickconnect-ethirteen-cnrg2409-bicycle-chainring","provider":"365 Cycles","version":"1.0","type":"link"}