{"product_id":"enduro-cartridge-bearing-ctbr0303","title":"High-Performance ABEC-5 Angular Contact Bearing 71903 | 17x30x7mm for Hub \u0026 Bottom Bracket, Low Resistance, Self-Lubricating Nylon Cage","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bicycle's performance with the Enduro ABEC-5 Angular Contact Bearing, model 71903 17x30x7. Designed for durability and precision, this high-quality bearing delivers exceptional smoothness and speed, perfect for hub and bottom bracket applications.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed with premium ABEC-5 grade balls, this single-row cartridge bearing features a self-lubricating nylon cage that minimizes friction and ensures long-lasting operation. The bearing's robust materials and engineering design provide reliable performance under demanding cycling conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eThe 15-degree angular contact geometry optimizes load distribution, allowing the bearing to effectively handle side loads and radial forces common in mountain biking and endurance cycling. Its ultra-low resistance design enhances efficiency, translating to quicker, smoother rides with improved power transfer.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003e- Precision ABEC-5 balls for superior rolling performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Self-lubricating nylon cage for reduced maintenance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Red seal facing outward to protect against dirt, water, and debris\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Requires 5-10 lbs preload for optimal performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eIdeal for mountain bike, enduro, and downhill applications, the Enduro ABEC-5 Angular Contact Bearing is engineered for high-performance cycling environments. Its durable construction and precise engineering make it a reliable choice for replacing worn or damaged bearings, ensuring your bike maintains peak efficiency and responsiveness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- 15-degree angular contact design for enhanced load handling\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Low-friction, high-speed capability for competitive and recreational riders\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Easy installation with correct sealing orientation for maximum protection\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eUpgrade your bike's drivetrain and hub systems with confidence, knowing you're equipped with a top-tier bearing that guarantees smooth operation, long-term durability, and optimized performance. Perfect for cyclists seeking reliable, high-quality bearings to enhance their riding experience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance Enduro ABEC-5 angular contact bearing with precision-engineered 71903 model designed for optimal smoothness and durability in demanding cycling applications. \u003c\/li\u003e\n\u003cli\u003eConstructed with high-quality steel balls and a self-lubricating nylon cage, this bearing delivers low friction, enhanced longevity, and consistent rotational performance for hub and bottom bracket components. \u003c\/li\u003e\n\u003cli\u003eFeaturing a 15-degree angular contact design, this bearing efficiently manages side loads and axial forces, ensuring stability, reliability, and smooth operation during aggressive riding and technical terrain. \u003c\/li\u003e\n\u003cli\u003eBuilt with a durable red seal facing outward, this cartridge bearing provides excellent sealing against dirt, dust, and moisture, making it ideal for rugged Enduro, trail, and mountain bike use. \u003c\/li\u003e\n\u003cli\u003ePrecision-sized at 17x30x7mm, this bearing is easy to install with recommended 5-10lbs preload, offering an excellent combination of performance, longevity, and value for serious cyclists seeking top-tier component performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Enduro","offers":[{"title":"Default Title","offer_id":42355790217283,"sku":"CTBR0303","price":17.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/AB71903.jpg?v=1773674350","url":"https:\/\/365cycles.com\/products\/enduro-cartridge-bearing-ctbr0303","provider":"365 Cycles","version":"1.0","type":"link"}