Campagnolo Crankset EKAR 40T 172.5mm

Lightweight, efficient, secure 1x Ekar system – perfect for gravel riding and racing 2-piece cranks : ultra-torque 630 steel axle & UD carbon arms – strong and lightweight 4 ring options – Adventure (38T); Pure Gravel (40T), Fast Gravel (42T), Gravel Race (44T) Narrow-wide tooth design – efficient drive & maximum chain security ProTech™ strong, efficient, self-aligning Hirth joint semi-axles Easy access to external crank bearings Easily interchangeable alloy rings – no need to disassemble crank 4 crank arm lengths – 165, 170, 172.5 and 175mm Narrow Q-factor – 145.5mm