{"product_id":"enduro-bearings-mr-137-2rs-abec-3-sealed-7x13x4mm-bike-hub-bottom-bracket-bearings","title":"Enduro Bearings MR 137 2RS ABEC 3 Sealed 7x13x4mm Bike Hub \u0026 Bottom Bracket Bearings","description":"\u003cp\u003eEnduro Bearings MR 137 2RS - ABEC 3 is engineered to deliver reliable performance and durability for cyclists seeking a high-quality upgrade. Featuring hardened chromium steel races and balls, along with robust riveted steel retainers, these bearings ensure long-lasting smooth operation. Their ABEC 3 rating signifies enhanced precision over standard options, making them ideal for improving efficiency in your hubs and bottom brackets.\u003c\/p\u003e\n\n\u003cp\u003eWith dimensions of 7 x 13 x 4mm and sealed with 2RS seals, these bearings are protected against dirt and moisture, extending their lifespan and reducing maintenance needs. Pre-greased with Mobile HP 222 lubricant, they offer consistent, low-friction rotation under various conditions. Enduro Bearings MR 137 2RS are a cost-effective upgrade designed for cyclists who demand quality without compromising value.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing hub and bottom bracket performance with precision ABEC 3 rating\u003c\/li\u003e\n  \u003cli\u003eProviding durability through hardened chromium steel components\u003c\/li\u003e\n  \u003cli\u003eReducing maintenance with sealed 2RS design to keep out contaminants\u003c\/li\u003e\n  \u003cli\u003eOffering smooth, low-friction rotation thanks to Mobile HP 222 grease\u003c\/li\u003e\n  \u003cli\u003eServing as an affordable performance upgrade for various cycling components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApplications requiring higher ABEC ratings for extreme precision\u003c\/li\u003e\n  \u003cli\u003eUse in environments with heavy impacts beyond typical cycling conditions\u003c\/li\u003e\n  \u003cli\u003eReplacing specialized bearings designed for unique or non-standard components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bearings compatible with all types of bike hubs?\u003c\/strong\u003e\u003cbr\u003eThey are designed for standard hubs and bottom brackets matching the 7 x 13 x 4mm dimensions and are suitable for most common cycling setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance do these bearings require?\u003c\/strong\u003e\u003cbr\u003eThanks to the sealed 2RS design and pre-applied Mobile HP 222 grease, these bearings require minimal maintenance, mostly limited to occasional cleaning of the surrounding components.\u003c\/p\u003e","brand":"Enduro Bearings","offers":[{"title":"Default Title","offer_id":45478802063535,"sku":"eb8104","price":6.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1525172921-49105900.jpg?v=1768523217","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/enduro-bearings-mr-137-2rs-abec-3-sealed-7x13x4mm-bike-hub-bottom-bracket-bearings","provider":"Swinnerton Cycles","version":"1.0","type":"link"}