{"product_id":"campagnolo-bora-ultra-11s-ultra-torque-carbon-crankset","title":"Campagnolo Bora Ultra 11s Ultra-Torque Carbon Crankset","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eCampagnolo Bora Ultra 11s Ultra-Torque Carbon Crankset\u003c\/strong\u003e sits near the top of Campagnolo's road crankset hierarchy, built for riders who demand Italian craftsmanship and race-proven performance in a 2x drivetrain. It pairs a full carbon construction with Campagnolo's Ultra-Torque spindle system — an approach designed to deliver stiff, precise power transfer while keeping weight in check. This is a crankset for serious road riders who want components that keep pace with their ambitions, whether that's long mountain stages or fast-paced group rides.\u003c\/p\u003e\n\n\u003cp\u003eThe Ultra-Torque system uses a two-piece spindle design, with each crank arm integrated into half of the hollow steel axle. The two halves join at the center with a Hirth coupling — a serrated interface that Campagnolo designed to eliminate flex and maintain consistent alignment under hard efforts. The carbon arms are shaped to be laterally stiff where it matters for sprinting and climbing, while the overall design keeps rotational mass low. Available in both a 53x39 standard configuration and a 54x42 option for riders who prefer larger gearing, with crank arm lengths spanning 170mm to 175mm to suit a range of fit needs.\u003c\/p\u003e\n\n\u003ch3\u003eCampagnolo Bora Ultra 11s Ultra-Torque Specs at a Glance\u003c\/h3\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n  \u003cli\u003eCompatibility: Campagnolo 11-speed drivetrains\u003c\/li\u003e\n  \u003cli\u003eDrivetrain type: 2x road\u003c\/li\u003e\n  \u003cli\u003eSpindle system: Ultra-Torque with Hirth coupling\u003c\/li\u003e\n  \u003cli\u003eCrank arm material: Carbon fiber\u003c\/li\u003e\n  \u003cli\u003eChainring options: 53x39, 54x42\u003c\/li\u003e\n  \u003cli\u003eCrank arm lengths: 170mm, 172.5mm, 175mm\u003c\/li\u003e\n  \u003cli\u003eSpindle material: Hollow steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesign Benefits\u003c\/h3\u003e\n\u003col class=\"design_benefits\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHirth Coupling Precision\u003c\/strong\u003e — The serrated Hirth joint at the spindle center is engineered to lock both crank halves into exact alignment on every installation, reducing the micro-flex that can rob power and cause premature drivetrain wear over long miles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbon Construction for Road Performance\u003c\/strong\u003e — Full carbon crank arms are shaped to prioritize lateral stiffness during out-of-saddle efforts while remaining compliant enough to handle the demands of endurance road riding — a balance that synthetic materials make possible in a way aluminum cannot.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGearing Versatility\u003c\/strong\u003e — The availability of both 53x39 and 54x42 chainring combinations means you can configure the crankset to match your riding terrain and cadence preferences without needing to source aftermarket rings from the start.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"Campagnolo","offers":[{"title":"53x39 \/ No Color \/ 170mm","offer_id":43508702183468,"sku":"10044301","price":600.0,"currency_code":"USD","in_stock":false},{"title":"54x42 \/ No Color \/ 170mm","offer_id":43508702216236,"sku":"10044304","price":600.0,"currency_code":"USD","in_stock":true},{"title":"53x39 \/ No Color \/ 172.5mm","offer_id":43508702249004,"sku":"10044302","price":600.0,"currency_code":"USD","in_stock":false},{"title":"53x39 \/ No Color \/ 175mm","offer_id":43508702281772,"sku":"10044303","price":600.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/ricycles.com\/products\/campagnolo-bora-ultra-11s-ultra-torque-carbon-crankset","provider":"RA Cycles","version":"1.0","type":"link"}