{"product_id":"bbb-bdp-08-rollerboys-jockey-wheels-11-13t-black-for-11-speed-shimano-grx","title":"BBB BDP-08 Rollerboys Jockey Wheels 11-13T Black for 11-Speed Shimano GRX","description":"\u003cp\u003eThe BBB BDP-08 Rollerboys Jockey Wheels are designed to enhance your bike’s rear derailleur performance with precision and durability. Crafted from high-quality composite material provided by EMS Swiss, enriched with 40% glass-fibre, these jockey wheels promise exceptional strength and longevity. Their sealed bearings with aluminium caps ensure smooth, consistent operation, reducing friction and wear over time.\u003c\/p\u003e\n\n\u003cp\u003eSpecifically compatible with 11-speed Shimano GRX (810\/815) systems, these jockey wheels offer a perfect fit and reliable transmission efficiency. The 11-13T pulley size optimizes chain movement, contributing to sharper and quieter gear shifts. Finished in sleek black, they combine functionality with a clean, modern look to complement your bike’s components.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing rear derailleur efficiency and smooth gear shifting\u003c\/li\u003e\n  \u003cli\u003eDurability through advanced composite materials with glass-fibre reinforcement\u003c\/li\u003e\n  \u003cli\u003eMaintaining consistent performance with sealed bearings and aluminium caps\u003c\/li\u003e\n  \u003cli\u003ePerfect fit for 11-speed Shimano GRX systems, ensuring compatibility and ease of installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with drivetrains other than 11-speed Shimano GRX (810\/815)\u003c\/li\u003e\n  \u003cli\u003eApplications requiring narrow wide pulley design\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty off-road riding beyond typical road or gravel terrain\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre these jockey wheels compatible with other Shimano models?\u003c\/strong\u003e\u003cbr\u003eThey are specifically designed for 11-speed Shimano GRX (810\/815) systems, so compatibility with other Shimano models is not guaranteed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat materials are used in these jockey wheels?\u003c\/strong\u003e\u003cbr\u003eThe wheels are made from Grivory EMS composite material with 40% glass-fibre, and feature sealed CrMo bearings with aluminium caps for durability and smooth operation.\u003c\/p\u003e","brand":"BBB","offers":[{"title":"11 + 13T \/ Black","offer_id":45965231685807,"sku":"2913610801","price":19.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/BDP-08-2913610801-01.jpg?v=1768532137","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/bbb-bdp-08-rollerboys-jockey-wheels-11-13t-black-for-11-speed-shimano-grx","provider":"Swinnerton Cycles","version":"1.0","type":"link"}