{"product_id":"centric-121-34052-disc-brake-rotor","title":"Centric 121.34052 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.34052\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.34052 is engineered for reliable braking performance on select BMW models. Designed as a vented rotor with a smooth surface, it provides consistent heat dissipation and stable stopping power for vehicles like the BMW 320i, 330Ci, 330i, 330xi, and Z4.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 320i, 330Ci, 330i, 330xi, and Z4 models\u003c\/li\u003e\n\u003cli\u003ePart number 121.34052 for precise identification\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor design for improved cooling\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 12.795 inches (325 mm) and overall height of 2.075 inches (52.7 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.984 inches (25 mm) with discard thickness at 0.921 inches (23.4 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting with straight vane style for efficient airflow\u003c\/li\u003e\n\u003cli\u003eFive stud\/lug holes with a 4.724 inch (120 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 3.110 inches (79 mm) for proper hub fitment\u003c\/li\u003e\n\u003cli\u003eWeight approximately 20.32 lbs (9.24 kgs)\u003c\/li\u003e\n\u003cli\u003eABS tone ring not included; bearings not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the C-TEK Standard Disc Brake Rotors Line\u003c\/h2\u003e\u003cp\u003eThe C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving conditions. This product line focuses on delivering rotors that meet or exceed OEM specifications, ensuring proper fit and function. The 121.34052 rotor exemplifies this approach with its vented design and smooth surface, providing dependable braking performance for BMW vehicles without additional features like ABS tone rings or bearings.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis vented disc brake rotor features a smooth surface type that promotes even pad wear and consistent braking feel. The rotor’s nominal thickness is 0.984 inches (25 mm), with a discard thickness of 0.921 inches (23.4 mm), indicating when replacement is necessary to maintain safety. The overall height measures 2.075 inches (52.7 mm), and the outside diameter is 12.795 inches (325 mm), matching the OEM dimensions for the specified BMW models. The floating disc mounting and straight vane style enhance heat dissipation during braking, reducing the risk of rotor warping under normal driving conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW 320i, 330Ci, 330i, 330xi, and Z4\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor thickness to maintain braking efficiency\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during extended use\u003c\/li\u003e\n\u003cli\u003eEnsures correct fitment with OEM bolt pattern and center hole dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation to ensure it meets discard specifications\u003c\/li\u003e\n\u003cli\u003eClean rotor surface and hub mounting area to prevent uneven contact\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications on lug nuts to avoid rotor distortion\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle ABS system as this rotor does not include an ABS tone ring\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to optimize braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.34052 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product packaging or Centric’s official documentation for exact warranty terms.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44566136586421,"sku":"BKNJ-121.34052","price":54.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12134052_Fro.jpg?v=1774638369","url":"https:\/\/www.partcatalog.com\/products\/centric-121-34052-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}