{"product_id":"miche-x2-rd-r81-ultegra-chainring","title":"X2 RD R81 Ultegra Chainring","description":"\u003cp\u003e\u003cstrong\u003eX2 RD is the chainring designed for those who demand the maximum: lightweight, stiff, and capable of transferring every watt with absolute precision.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe R81 is designed for Ultegra 8100 cranksets with three dedicated configurations: 50, 52, and 54 teeth, while maintaining the same design philosophy.\u003c\/p\u003e\u003cp\u003eBoth are compatible with Miche R12 inner chainrings as well as original Shimano ones, giving riders different setups.\u003c\/p\u003e\u003cp\u003eThe essence of this chainring lies in its meticulous engineering and the incredible attention to detail we have always put into our products: a CNC-machined AL 7075-T6 aluminum plate merges with a structural 3K carbon layer, creating a unique synergy that delivers extreme stiffness, lightness, and top-level responsiveness in power transmission.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeight: 126g\u003c\/li\u003e\n\u003cli\u003eSpeed: 12cx\u003c\/li\u003e\n\u003cli\u003eMaterial: Carbon and AL 7075 T6\/CNC\u003c\/li\u003e\n\u003cli\u003ePCD: 110\u003c\/li\u003e\n\u003cli\u003eHoles: 4\u003c\/li\u003e\n\u003cli\u003eCompatibility: Shimano Ultegra R8100\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEvery Watt Matters\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWith X2 RD, it’s not just about pushing harder: it’s about maximising every single watt you produce, transforming energy into speed, and feeling the difference with every pedal stroke.\u003c\/li\u003e\n\u003cli\u003eEvery watt saved is not just efficiency: it’s time, it’s performance, it’s results.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Miche","offers":[{"title":"50T","offer_id":57115303805272,"sku":"MCCR8150","price":180.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5247\/5224\/files\/mccr8150.jpg?v=1776278041","url":"https:\/\/www.leadoutperformance.co.uk\/products\/miche-x2-rd-r81-ultegra-chainring","provider":"Leadout Performance","version":"1.0","type":"link"}