{"product_id":"parent-jbi-22454","title":"High-Performance KMC E-Bike Chainrings \u0026 Sprockets for Bosch Gen 3 \u0026 4 | Durable, Offset Designs, Improved Chain Retention, Direct Mount, 38T-44T","description":"\u003cdiv id=\"seqbpdescription\"\u003e\u003cp\u003eDiscover premium KMC E-Bike Sprockets — the ultimate replacement chainrings designed specifically for Bosch Gen 3 and Gen 4 electric bike drivetrains. Crafted with advanced materials and engineered for durability, these direct-mount sprockets feature innovative tooth designs that significantly enhance chain retention and interface, ensuring smooth, reliable power transfer on every ride. Available in a variety of sizes, including 34T, 38T, and 44T, with offset options to optimize chainline for optimal performance, these sprockets are perfect for e-bike enthusiasts seeking enhanced efficiency and gear versatility. Built with high-quality, standard tooth profiles and precise fitment, KMC's e-bike sprockets stand out with their durable construction and seamless integration into Bosch-specific systems, making them ideal for upgrade or replacement to improve drivetrain longevity and performance. Whether you're customizing your e-mountain bike, commuter, or cargo ebike, these sprockets deliver superior engineering, style, and functionality, ensuring your ride remains smooth, efficient, and dependable.\u003c\/p\u003e\u003c\/div\u003e","brand":"KMC","offers":[{"title":"Direct Mount \/ 38T","offer_id":43412393427011,"sku":"EBCS0136","price":44.37,"currency_code":"USD","in_stock":false},{"title":"Direct Mount \/ 44T","offer_id":43412393459779,"sku":"EBCS0137","price":36.94,"currency_code":"USD","in_stock":true},{"title":"52mm Chainline \/ 34T","offer_id":43412393492547,"sku":"EBCS0138","price":31.3,"currency_code":"USD","in_stock":true},{"title":"50mm Chainline \/ 38T","offer_id":43412393525315,"sku":"EBCS0140","price":32.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/212544.jpg?v=1781577143","url":"https:\/\/365cycles.com\/products\/parent-jbi-22454","provider":"365 Cycles","version":"1.0","type":"link"}