{"product_id":"dla-velosipeda-karetka-ukraina-kama-pod-klin","title":"Ukraina, Aist Bicycle Cottered Bottom Bracket (Threaded Cups)","description":"\u003ch2\u003eBicycle Bottom Bracket Assembly (Cottered, Threaded Cups, Spindle Length 140–144 mm)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eComplete bottom bracket repair kit (cottered spindle + threaded cups + bearings + locknut)\u003c\/strong\u003e is designed for major repairs of the pedal drive on classic road, city, cargo, and folding bicycles with a threaded bottom bracket shell. The 140–144 mm spindle (16 mm crank seat diameter) features integrated thrust cones (shoulders) for ball retainer bearings and milled flats for fixing the cranks with standard bicycle cotter pins. All structural components are made of hardened carbon steel with a protective galvanic coating, ensuring smooth pedal rotation, zero play, and resistance to impact loads during off-road riding.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages and Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Assembly Kit:\u003c\/strong\u003e Includes the bottom bracket spindle, right and left threaded cups, two ball bearings in steel retainers, and a slotted locknut — all parts are matched and ready for installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Spindle and Cup Raceways:\u003c\/strong\u003e Heat treatment of the spindle cones and internal cup raceways prevents pitting, wear, and crunching when pedaling while standing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Cottered Crank Fit (140–144 mm):\u003c\/strong\u003e Precise milled flats at the spindle ends ensure a tight crank fit without slipping or misalignment of the chainring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Adjustment and Serviceability:\u003c\/strong\u003e The left cup with slots and a locknut allows for precise setting of the bearing clearance and easy maintenance using a standard multi-tool or spanner wrench.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Corrosion Galvanic Coating:\u003c\/strong\u003e Zinc \/ chrome plating protects the threads and outer surfaces from seizing in the frame's bottom bracket shell when exposed to moisture and dirt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility and Application:\u003c\/h3\u003e\n\u003cp\u003eThe kit is used in bicycles of Soviet, Ukrainian, Belarusian, and modern production with a threaded bottom bracket shell (BSA 1.37\"×24 TPI \/ M35×1 standard) and cottered cranks:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoad Bicycles (28\" wheels):\u003c\/strong\u003e Ukraina (KhVZ V-120, V-130, V-134, 111-411, 111-421, 111-441), Aist (MMVZ), Minsk, Ural, Sura, Progress, Desna.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFolding and Youth Bicycles (20\"–24\" wheels):\u003c\/strong\u003e Kama, Aist (folding), Desna-2, Salyut, Tair, Orlenok, Shkolnik (modifications with a standard threaded bottom bracket).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCargo and Modern Road Models:\u003c\/strong\u003e Fermer, Ardis, Formula, Dorozhnik, Titan, Azimut (versions with a classic cottered bottom bracket).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #eef7ed;\"\u003e\n\u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eValue \/ Characteristic\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eUnit Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eDisassembled bicycle bottom bracket assembly (cottered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eTotal Spindle Length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e140 – 144 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eCrank Seat Diameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e16.0 mm (standard for bicycle cotter pins)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eFrame Mounting Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eThreaded cups (BSA 1.37\"×24 TPI \/ M35×1, shell width 68–70 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eBearing Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eAngular contact ball bearings in retainers (2 pcs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eComponent Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eHardened carbon steel with anti-corrosion coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eNew repair kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eCottered bottom bracket spindle (140–144 mm) — 1 pc.\u003c\/li\u003e\n\u003cli\u003eRight threaded cup (fixed cup with flange) — 1 pc.\u003c\/li\u003e\n\u003cli\u003eLeft threaded cup (adjustable cup with slots) — 1 pc.\u003c\/li\u003e\n\u003cli\u003eBall retainer bearing — 2 pcs.\u003c\/li\u003e\n\u003cli\u003eLeft cup slotted locknut — 1 pc.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cem\u003ePro tip: Before assembly, thoroughly clean the th","brand":"Dostavka","offers":[{"title":"Default Title","offer_id":39573623603377,"sku":"10467","price":214.67,"currency_code":"UAH","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0538\/8517\/3937\/products\/karetka-dlya-velosipeda-ukraina-hvz-v-120-v-130-v-134-111-411-111-421-111-441-pod-klin.jpg?v=1794611829","url":"https:\/\/usefulrare.com\/products\/ukraina-aist-bicycle-cottered-bottom-bracket-threaded-cups","provider":"Dostavka","version":"1.0","type":"link"}