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Campagnolo

Campagnolo Ekar Pro-Tech Crank Set 13-speed 44T (2021)

ID: 1325863
3 639 kr
Inkl. moms, gratis frakt
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Produktbeskrivelse

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The crankset is the heart of the new 1x Ekar system, with its optimised gearing ratios, sensitively spaced across a wide range.

Of course, the single chainring is simple to use – no front mech, significantly reduced weight, fewer moving parts to collect dirt or clog, and providing high chain security, with no wasteful gearing overlap – perfect for gravel riding and racing. The unidirectional carbon fiber cranks feature a strong, durable 630-grade steel alloy crank axle – following the maxim of smartly mating strength and light weight that is employed across the Ekar groupset. New ProTech™ technology joins the two semi-axles inside the bottom bracket, with a single, oversized bolt. Oversized stainless steel bearing sit on the crank, fixed on the semi-axles, for maximum smoothness and strength – and easily accessible for inspection and maintenance without the requirement to extract the cups.

There are four ring size options: Adventure has 38 teeth; Pure Gravel is 40T, Fast Gravel is 42T, and eGravel 44T. Their narrow-wide design provides efficient drive and maximum chain security. The light, strong 7075 aluminum rings are easily interchangeable – you can simply unbolt them from the four spider arms with no requirement for crank disassembly. The four arms, which are asymmetrically set for optimal spread of the torque load, feature a 123mm Bolt Circle Diameter. Swapping rings is an easy and efficient way to switch out your gearing as you tackle different types of riding. The Ekar crankset features four arm length options – 165, 170, 172.5 and 175mm – to suit riders of all sizes and styles. For some gravel bikes featuring low bottom bracket heights, shorter crank arms are a popular choice to avoid grounding on loose and unpredictable surfaces. A narrow 145.5mm Q-factor makes for a comfortable, efficient pedalling style, whatever your size. The UD carbon arms come with neat, removable protective end caps, to keep your components looking like new, whatever terrain you tackle.

ProTech
Patented dual-sealing ProTech technology securely connects the two semi-axles inside the bottom bracket, and protects the BB bearings from ingress of water and mud, providing longevity of high performance, even in the worst riding conditions. A gravel-orientated development from Campagnolo's innovative and proven Ultra-Torque technology, the ProTech system's central Hirth joint features self-centring and self-aligning frontal teeth located in the middle of the crank where the ends of the integrated semi-axles meet.

The axles are fixed together with a single, protected oversized bolt, their precise pairing can even overcome the fractional misalignment that some carbon frames can include thanks to the tiny differences in tolerance in their manufacture. The ProTech crank system's torque transmission is as efficient as a single piece axle, and it's lighter. And, being better protected than other systems, it is also more durable. Oversized stainless steel bearing sit on the crank, outside the BB shell, for maximum stiffness, smoothness and strength thanks to greater axle rigidity from the increased axle diameter.

Spesifikasjoner
Formål
Landevei  
Designet for elsykler
ja  
Krankdrev
Antall drev: 1 kjedering
oversettelse: 44 Tenner
Krankarm
Kompatibel med gir: 13-trinns
Design: 4-Armet
Akselklemme: Ultra Torque
PCD: 123 mm
Hullsirkel type: Campagnolo
Kjedelinje: 45.5 mm
Kranksett 
Q-Faktor: 146  mm
Vekt
615  g
Kjønn
Unisex
Modellår
2021
Varenummer
1325863
Produktonmtaler
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