{"product_id":"shimano-bb-un300-vierkant-innenlager","title":"SHIMANO BB-UN300 BOTTOM BRACKET \/ BSA 68 MM SQUARE TAPER CARTRIDGE BEARING","description":"\u003cp\u003e\u003cstrong\u003eSHIMANO BB-UN300 SQUARE TAPER BOTTOM BRACKET (BSA 68 MM) – THE DURABLE AND RELIABLE MAINTENANCE STANDARD\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe proven and absolutely carefree basis for your everyday, city, trekking bike or classic mountain bike: The Shimano BB-UN300 square taper bottom bracket impresses as an extremely robust successor to the legendary BB-UN26 and BB-UN55 series. Designed as a sealed cartridge bottom bracket, it highly effectively protects the high-precision, internal ball bearings from the ingress of water, mud, and dust. This guarantees a silky smooth, low-friction ride and an impressively long service life – even in harsh year-round use in all weather conditions.\u003c\/p\u003e\n\n\u003cp\u003eThis highly functional **bicycle bottom bracket** is designed for frames with the widely used **BSA thread (68 mm shell width)** and relies on the proven, standardized **JIS square taper axle interface**. Thanks to a stable housing construction, the cartridge bottom bracket offers excellent axle stability and absorbs pedaling forces with high torsional rigidity. Available in a wide selection of different axle lengths, the chain line of your crankset can be precisely adjusted to minimize cross-chaining and ensure error-free derailleur function.\u003c\/p\u003e\n\n\u003cp\u003eProduct Details \u0026amp; Features\u003cbr\u003e\n• \u003cstrong\u003eSealed Cartridge System:\u003c\/strong\u003e Maintenance-free, integrated bearing unit for maximum protection against weather influences\u003cbr\u003e\n• \u003cstrong\u003ePrecise Square Taper Axle:\u003c\/strong\u003e Reliable JIS standard for perfect, play-free fit of all compatible square taper crank arms\u003cbr\u003e\n• \u003cstrong\u003eVersatile Chainline Adjustment:\u003c\/strong\u003e Wide selection of precisely graded axle lengths for every frame and crank type\u003c\/p\u003e\n\n\u003cp\u003eData \u0026amp; Identification (BSA 68 mm)\u003cbr\u003e\n• \u003cstrong\u003eBrand:\u003c\/strong\u003e Shimano | \u003cstrong\u003eModel:\u003c\/strong\u003e BB-UN300 | \u003cstrong\u003eThread Type:\u003c\/strong\u003e BSA | \u003cstrong\u003eShell Width:\u003c\/strong\u003e 68 mm | \u003cstrong\u003eAxle Type:\u003c\/strong\u003e Square Taper (JIS)\u003cbr\u003e\n• \u003cstrong\u003e107 mm:\u003c\/strong\u003e HAN EBBUN300B07X | EAN 4550170619282\u003cbr\u003e\n• \u003cstrong\u003e110 mm:\u003c\/strong\u003e HAN EBBUN300B10X | EAN 4550170619206\u003cbr\u003e\n• \u003cstrong\u003e113 mm:\u003c\/strong\u003e HAN EBBUN300B13X | EAN 4550170619329\u003cbr\u003e\n• \u003cstrong\u003e115 mm:\u003c\/strong\u003e HAN EBBUN300B15B | EAN 4550170619183\u003cbr\u003e\n• \u003cstrong\u003e117 mm:\u003c\/strong\u003e HAN EBBUN300B17X | EAN 4550170619220\u003cbr\u003e\n• \u003cstrong\u003e118 mm:\u003c\/strong\u003e HAN EBBUN300B18X | EAN 4550170619237\u003cbr\u003e\n• \u003cstrong\u003e127 mm:\u003c\/strong\u003e HAN EBBUN300B27B | EAN 4550170619312\u003c\/p\u003e\n\n\u003cp\u003eScope of Delivery\u003cbr\u003e\n1x Shimano BB-UN300 Square Taper Bottom Bracket (BSA 68 mm) in the selected axle length, including adapter cup, without crank bolts.\u003c\/p\u003e\n\n\u003cp\u003eConclusion\u003cbr\u003e\nThe Shimano BB-UN300 bottom bracket is the ultimate choice for all cyclists looking for a durable, maintenance-free replacement part. If you want to stably renew the foundation of your **bicycle drivetrain**, this cartridge bottom bracket guarantees first-class OEM quality.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"107MM","offer_id":53224691826955,"sku":"EBBUN300B07X","price":9.0,"currency_code":"EUR","in_stock":true},{"title":"110MM","offer_id":53224691859723,"sku":"EBBUN300B10X","price":9.0,"currency_code":"EUR","in_stock":true},{"title":"113mm","offer_id":53224691892491,"sku":"EBBUN300B13X","price":9.0,"currency_code":"EUR","in_stock":true},{"title":"115MM","offer_id":53224700051723,"sku":"EBBUN300B15B","price":9.0,"currency_code":"EUR","in_stock":true},{"title":"117MM","offer_id":53224701755659,"sku":"EBBUN300B17X","price":9.0,"currency_code":"EUR","in_stock":true},{"title":"118 mm","offer_id":53224704147723,"sku":"EBBUN300B18X","price":9.0,"currency_code":"EUR","in_stock":true},{"title":"127MM","offer_id":53224705556747,"sku":"EBBUN300B27B","price":9.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/0235\/7259\/files\/IMG_4649_7cc2a6dc-9d78-4a53-8e4b-48622ccea034.jpg?v=1784126226","url":"https:\/\/www.usedbikes-ob.de\/en\/products\/shimano-bb-un300-vierkant-innenlager","provider":"USEDBIKES-OB.DE","version":"1.0","type":"link"}