{"product_id":"enduro-bkc-54103-xd-15-ceramic-hybrid-abec-5-bottom-bracket-bearing-kit","title":"ENDURO BKC-54103 – XD-15 Ceramic-Hybrid, ABEC-5, Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs","description":"\u003ch1 data-section-id=\"yy66yo\" data-start=\"0\" data-end=\"107\"\u003eENDURO BKC-54103 XD-15 Ceramic-Hybrid Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs\u003c\/h1\u003e\n\u003cp data-start=\"109\" data-end=\"1092\"\u003eThe ENDURO BKC-54103 XD-15 Ceramic-Hybrid Bottom Bracket Bearing Kit is engineered for riders who demand maximum drivetrain efficiency, durability, and long-term performance. Designed specifically for Shimano 24mm x 37mm external cup bottom brackets, this premium bearing kit combines Enduro’s industry-leading XD-15 ceramic-hybrid technology with ABEC-5 precision manufacturing for exceptionally smooth rotation and reduced friction. The corrosion-proof nitrogen steel races are cryogenically treated and paired with Grade 3 Silicon Nitride ceramic balls for outstanding speed, strength, and longevity. Unlike standard ceramic bearings, XD-15 bearings continue to improve with use, becoming smoother and faster over time. Packed with high-performance Kluber NBU52 grease and built with deep-groove raceways and advanced sealing technology, this kit delivers professional-level performance for road, gravel, and mountain bike riders seeking the best bottom bracket upgrade available.\u003c\/p\u003e","brand":"Oyeathlete","offers":[{"title":"Black","offer_id":42445592363043,"sku":"BKC-54103","price":23499.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/2043\/2675\/files\/Untitled-2026-05-27T114505.047.webp?v=1779862557","url":"https:\/\/oyeathlete.com\/products\/enduro-bkc-54103-xd-15-ceramic-hybrid-abec-5-bottom-bracket-bearing-kit","provider":"Oyeathlete","version":"1.0","type":"link"}