{"product_id":"cycling-ceramic-shimano-ultegra-8100-50-dura-ace-9200-50-12s-shimano-ultegra-8000-50-dura-ace-9100-50-ss-gs-jockey-wheel-system-bike-143117433","title":"Cycling ceramic Shimano Ultegra 8100-50\/Dura-Ace 9200-50 12s\/Shimano Ultegra 8000-50\/Dura-Ace 9100-50 SS-GS jockey wheel system","description":"Upgrade your Shimano Ultegra \u0026amp; Dura Ace 11\/12-speed with CyclingCeramic´s Oversized Pulley System. Experience unmatched efficiency and smoother drivetrain performance thanks to larger pulley diameters that reduce friction. Precision CNC-machined from aerospace-grade materials, these pulleys offer superior stiffness and flawless alignment. Optimized chain path and ultra-low friction ceramic bearings ensure consistent tension, accurate shifting, and enhanced power transfer. Hand-assembled and individually tested in France, this durable system guarantees race-ready reliability. Weighing only 105g, it´s the ultimate upgrade for demanding cyclists","brand":"Cycling ceramic","offers":[{"title":"14\/19t \/ Pink","offer_id":54958340014423,"sku":"bike-143117433-14-19T-PINK","price":321.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1031\/8397\/4743\/files\/cycling-ceramic-shimano-ultegra-8100-50-dura-ace-9200-50-12s-shimano-ultegra-8000-50-dura-ace-9100-50-ss-gs-jockey-wheel-system.webp?v=1788916351","url":"https:\/\/geareurope.com\/products\/cycling-ceramic-shimano-ultegra-8100-50-dura-ace-9200-50-12s-shimano-ultegra-8000-50-dura-ace-9100-50-ss-gs-jockey-wheel-system-bike-143117433","provider":"GearEurope","version":"1.0","type":"link"}