{"product_id":"ceramicspeed-ospw-aero-pulley-wheel-system","title":"CeramicSpeed OSPW Aero Pulley Wheel System","description":"\u003cp\u003e\u003cspan\u003eCeramicSpeed OSPW Aero oversized pulley wheel system for Shimano Dura-Ace 9100 and Ultegra R8000, developed with aerodynamics firm Drag2Zero. The aero carbon-reinforced cover shields the pulleys from the wind. CeramicSpeed claims it cuts drag at the derailleur by about 40% compared with stock, and the oversized pulleys on ceramic bearings reduce drivetrain friction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompatibility: Shimano Dura-Ace 9100\/9150 and Ultegra R8000-SS\/R8050-SS (short cage, 11-speed)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNot compatible with: Dura-Ace 9200 \/ Ultegra R8100 (12-speed), or GS medium cage derailleurs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePulleys: 13T upper \/ 19T lower, aluminum\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBearings: CeramicSpeed coated bearings, Grade 3 silicon nitride balls (lifetime bearing warranty)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCage: carbon-reinforced polyamide with aero cover\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpring tension: 4 settings\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":68144582918396,"sku":null,"price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0008\/9738\/4508\/files\/camera-4C144333-3410-4B8E-AE5E-2C2947FB6D28.jpg?v=1794685256","url":"https:\/\/www.pulseendurance.com\/es\/products\/ceramicspeed-ospw-aero-pulley-wheel-system","provider":"Pulse Endurance Sports","version":"1.0","type":"link"}