**Please ensure you have a 13x compatible wheelset to be use this product**The 1x chainset is a crucial element in Campagnolo's gravel and all road specific Ekar drivetrain design. Lightweight, secure and simple, with no wasted overlapping gears or unnecessary moving parts to collect trail dirt . The Ekar chainset will convince you that one chainring and no front mech is the way to go, whatever your off-road ambitions!Don't let the apparent simplicity fool you, this chainset has been designed from the ground up. Just like the whole Ekar system, the cranks combine strength and lightweight materials. The 2-piece crankset features a strong, durable 630 grade steel alloy axle mated to a polyamide-carbon spider and beautiful UD Carbon arms.The ergonomics of this chainset mean it is suitable for any size of rider, with 4 crank arm lengths available. The outer chainrings are also easily interchangeable, with no need to disassemble the chainset if you want to alter your gearing.**Technology*** 2-piece cranks: UD carbon arms with an Ultra-Torque 630 steel axle, lightweight and strong* ProTech: strong, efficient, self-aligning semi axles, sealed from dirt by an external sealing clip as well as an internal sleeve* Narrow-wide Tooth Design: efficient drive and maximum chain security**Specification*** Designed specifically for Ekar 1x13 groupsets* Suitable for Gravel and All-Road riding* Crank boots included to protect the crank arms* Easily interchangeable chainrings* Easy access external bearings* 4 crank arm lengths available (165mm, 170mm, 172.5mm, 175mm)* 4 chainring options available (38T, 40T, 42T, 44T)* Narrow Q-Factor of 145.5mm: ensures compatibility with all modern frames* Weight: 615g (based on 172.5mm, 38T)