{"product_id":"ckst4040","title":"SRAM Eagle S500 Boost B1 Carbon Crankset - 12-Speed DUB, 170mm","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain biking performance with the SRAM Eagle S500 Boost B1 Crankset - a precision-engineered component designed for durability, efficiency, and sleek style. Built for 12-speed Eagle drivetrains, this crankset is optimized for aggressive trail riding, enduro, and all-mountain adventures.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eCrafted with carbon crank arms and an aluminum X-SYNC 2 chainring, the SRAM Eagle S500 Boost B1 offers a lightweight yet robust construction. The carbon arms significantly reduce weight, enhancing your bike's agility and handling, while the aluminum chainring provides exceptional durability and reliable chain engagement. The 28.99mm spindle diameter, combined with DUB technology, ensures a seamless bottom bracket fitment and superior sealing against dirt, mud, and water ingress, extending the lifespan of your drivetrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eAdvanced Components \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eFeaturing a 3-bolt Direct Mount SRAM 3 Bolt interface, this crankset is fully compatible with Eagle drivetrain ecosystems for seamless shifting and optimal chain retention. The 32-tooth chainring delivers a balanced gear ratio ideal for tackling steep climbs and high-speed descents. DUB technology promotes greater compatibility and streamlined maintenance, providing a more uniform bottom bracket fitment for enhanced performance in demanding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eDesigned for trail riders, enduro enthusiasts, and mountain bikers seeking reliable performance, the SRAM Eagle S500 Boost B1 combines sleek black styling with high-end engineering. Its boost spacing (52mm chainline) maximizes clearance and frame compatibility, allowing you to navigate technical terrain with confidence. The 170mm crank length offers a natural riding stance for most riders, improving pedaling efficiency and comfort.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Carbon Crank Arms: Lighten your bike without compromising strength.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- X-SYNC 2 Chainring: Superior chain control and wear resistance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- DUB Technology: Improved sealing, compatibility, and durability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Boost Compatibility: Increased clearance and frame compatibility for aggressive riding.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Personalization: Multiple chainring options available for customized gearing setups.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eOptimize your mountain bike's drivetrain with the SRAM Eagle S500 Boost B1 Crankset - built for performance, engineered for durability, and designed to elevate your trail riding experience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eLightweight carbon crank arms combined with aluminum X-SYNC 2 chainrings deliver durability and efficient power transfer for aggressive trail riding and mountain biking. \u003c\/li\u003e\n\u003cli\u003eDesigned with SRAM's DUB technology, this crankset offers a 52mm chainline and 12-speed compatibility, ensuring smooth shifting and enhanced drivetrain performance across varied terrains. \u003c\/li\u003e\n\u003cli\u003eThe SRAM Eagle S500 Boost B1 crankset features a 28.99mm spindle diameter and 170mm crank arm length, optimized for boost wheelsets to improve stability and control on rough trails. \u003c\/li\u003e\n\u003cli\u003eWith a sleek black finish and direct mount SRAM 3-bolt chainring interface, this crankset provides easy customization with multiple chainring options for personalized gearing setups. \u003c\/li\u003e\n\u003cli\u003eEngineered for durability and contamination resistance, the Eagle S500 Boost B1 leverages innovative sealing and fitment precision, making it ideal for aggressive riding, enduro, and mountain biking enthusiasts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":43609760399427,"sku":"CKST4040","price":311.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK1937_b58d637b-cf92-407b-908e-a5cee1c1a1e3.jpg?v=1785383831","url":"https:\/\/365cycles.com\/products\/ckst4040","provider":"365 Cycles","version":"1.0","type":"link"}