{"product_id":"prologo-choice-integrated-aero-road-nack-saddle-140mm","title":"Prologo Choice Integrated Aero Road Nack Saddle 140mm","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.lafobikes.com\/collections\/prologo\" title=\"Prologo Collection at LafoBikes\" rel=\"noopener\" target=\"_blank\"\u003ePrologo\u003c\/a\u003e Choice Integrated Aero Road Nack Saddle 140mm.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003ePrologo Choice – First Integrated Aero Road Saddle with Hidden Nack Carbon Rail\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe Prologo Choice is a landmark product in road cycling — the world's first fully integrated racing saddle engineered to minimize aerodynamic drag at every level. Developed with CFD simulation software and refined in a wind tunnel, the Choice redefines what a high-performance road saddle can be, combining elite aerodynamics, next-generation materials, and unprecedented modularity in a package weighing just 152 grams.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eAerodynamics First — Engineered Like Formula 1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eIn a sport where frame geometries, componentry, and rider positions are increasingly shaped by aerodynamic principles, the Choice saddle was designed to match that philosophy from the ground up. Its futuristic profile was developed using advanced CFD simulation and validated in wind tunnel testing, achieving aerodynamic drag coefficients previously unseen in a production road saddle. The result is a component that works with your bike's aero system — not against it.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eHidden Rail. Lateral Side Wings. Zero Drag Profile.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe defining visual and functional feature of the Choice is its fully concealed Nack (nano carbon fiber) rail, shielded on both sides by sinuous lateral wings that redirect frontal airflow toward the rear of the saddle. This integrated rail design eliminates the aerodynamic penalty of exposed rail geometry, while the reduced stack height and optimized rail-to-base connection deliver greater structural stiffness — translating directly into more efficient power transfer and precise handling on technical descents and demanding sections.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eComfort Without Compromise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eShape development went beyond aesthetics. Prologo's proprietary Pressure Map MyOwn system guided the ergonomic geometry, with a central PAS channel to relieve pressure peaks in the perineal zone. Variable-density next-generation foam provides the ideal balance between support and comfort at high speeds, allowing riders to hold an aggressive aerodynamic position for longer without fatigue. Available in two widths — 140mm (narrow) and 147mm (wide) — to match individual sit bone measurements and riding style.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eModular by Design. Sustainable by Choice.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eFor the first time in a saddle of this caliber, the rail can be separated from the carbon shell using just two screws. If a rail or shell is damaged, only the affected component needs to be replaced — not the entire saddle. This modularity introduces a more sustainable, cost-effective approach to high-end saddle ownership without compromising structural integrity, performance, or weight.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNarrow Version: 240 × 140 mm | 152g\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWide Version: 240 × 147 mm | 172g\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eShape: Semi-round T-shape\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRail: Nack (nano carbon fiber), 7 × 9 mm diameter\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePressure Relief: Central PAS channel\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAerodynamic Development: CFD simulation + wind tunnel validated\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eErgonomics: Pressure Map MyOwn system\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eModularity: Rail separates from carbon shell with 2 screws\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTorque Setting (rear plate screws): 1.3 Nm min — 1.5 Nm max\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"_3NrtZFV8BAk9FQp7JvHpLo_0 _2NUzprMTOfUzYtRedKm0hX_0\"\u003e\n\u003cdiv class=\"_3NrtZFV8BAk9FQp7JvHpLo_0 _2NUzprMTOfUzYtRedKm0hX_0\"\u003e\n\u003cp\u003eAll our products are professionally packed and shipped with tracking number and insurance. Lafo Bikes is offering you high end bikes, frames, parts \u0026amp; accessories that we love.  We are selling only genuine products, no copy or replica. Our goal is to offer you the best price on amazing bikes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1336\/3759\/files\/21055967_10156261782497908_548453694147109790_o_large.jpg?v=1503756572\" alt=\"High End Bike Discount Safe Checkout\"\u003e\u003c\/p\u003e","brand":"Prologo","offers":[{"title":"Default Title","offer_id":42498695299118,"sku":"PRO-CHOINA0HB01","price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1336\/3759\/files\/4433.jpg?v=1783684776","url":"https:\/\/www.lafobikes.com\/products\/prologo-choice-integrated-aero-road-nack-saddle-140mm","provider":"LafoBikes","version":"1.0","type":"link"}