{"product_id":"ruota-posteriore-vision-metron-ttw-prs-db-cl-nero","title":"Vision Metron TTW Prs DB CL rear wheel - Black","description":"\u003ch3\u003eVision Metron TTW PRS: rear wheel for time trial and triathlon\u003c\/h3\u003e\u003cp\u003eThe Vision Metron TTW PRS is a \u003cstrong\u003ecarbon lenticular rear wheel\u003c\/strong\u003e for time trial and triathlon bikes with disc brakes. The rim and fairing carbon construction, based on the Metron 45 SL, is dedicated to aerodynamic efficiency in time trial efforts. The design is developed through CFD analysis and wind tunnel testing.\u003c\/p\u003e\u003ch3\u003eHand-built construction and PRS hub system\u003c\/h3\u003e\u003cp\u003eThe wheel is hand-built and combines the carbon structure with an aluminum hub featuring four sealed steel bearings. The \u003cstrong\u003e72-point engagement Ratchet PRS system\u003c\/strong\u003e manages power transfer through the aluminum freehub body. The setup includes a rim with a 21 mm internal width and 31 mm external width.\u003c\/p\u003e\u003ch3\u003eTubeless setup and drivetrain compatibility\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eTubeless Ready\u003c\/strong\u003e rim allows a tubeless setup. Installation on the bike requires a \u003cstrong\u003e12 × 142 mm\u003c\/strong\u003e rear axle and a Center Lock rotor interface. Freehub choice depends on the drivetrain: a Shimano HG version is available for 10, 11, and 12 speeds, and a SRAM XDR version for 12 speeds.\u003c\/p\u003e\u003ch3\u003eTechnical features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntended use: time trial and triathlon.\u003c\/li\u003e\n\u003cli\u003eConstruction: carbon rim and fairing, hand-assembled.\u003c\/li\u003e\n\u003cli\u003eRim size: 622 × 21.\u003c\/li\u003e\n\u003cli\u003eRim width: 21 mm internal, 31 mm external.\u003c\/li\u003e\n\u003cli\u003eRim type: Tubeless Ready.\u003c\/li\u003e\n\u003cli\u003eHub and freehub body: aluminum, Ratchet PRS system.\u003c\/li\u003e\n\u003cli\u003eBearings: four, sealed steel.\u003c\/li\u003e\n\u003cli\u003eRotor interface: Center Lock; rear axle: 12 × 142 mm.\u003c\/li\u003e\n\u003cli\u003eAvailable freehubs: Shimano HG 10\/11\/12-speed or SRAM XDR 12-speed.\u003c\/li\u003e\n\u003cli\u003eStated weight: 1,008 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003ch4\u003eWhich version should I choose for my drivetrain?\u003c\/h4\u003e\u003cp\u003eThe Shimano version uses an HG freehub for 10-, 11-, and 12-speed drivetrains. The SRAM version uses an XDR freehub for 12-speed drivetrains.\u003c\/p\u003e\u003ch4\u003eWhat brake rotor interface is required?\u003c\/h4\u003e\u003cp\u003eThe rotor must have a \u003cstrong\u003eCenter Lock\u003c\/strong\u003e interface. Wheel installation requires a 12 × 142 mm rear axle.\u003c\/p\u003e\u003ch4\u003eWhich accessories are included?\u003c\/h4\u003e\u003cp\u003eThe listed equipment includes one rear wheel, one wheel bag, one tubeless valve, and tubeless tape.\u003c\/p\u003e","brand":"Vision","offers":[{"title":"XDR \/ Black","offer_id":55111691731290,"sku":"710-0178008030","price":1679.0,"currency_code":"EUR","in_stock":false},{"title":"Shimano \/ Black","offer_id":55111696744794,"sku":"710-0178004030","price":1679.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/7139\/6534\/files\/copia_di_web_site_images_-_ns_sci30.png?v=1793618161","url":"https:\/\/maisoncalyx.shop\/en\/products\/ruota-posteriore-vision-metron-ttw-prs-db-cl-nero","provider":"All4cycling ","version":"1.0","type":"link"}