Headset expansion nut for carbon steerer tubes, 50mm, 1 1 / 8 inchThe PRO Headset Expansion Nut for Carbon Steerers is a high quality solution designed to safely and securely preload the headset on bikes with carbon steerer tubes. Unlike traditional star nuts, this expansion nut applies even internal pressure, protecting delicate carbon steerers from damage while ensuring accurate headset adjustment. Features: For Carbon Steerer Forks 50mm 1 1 8"

Whether you're on a leisurely ride or tackling challenging trails

this 35mm bore handlebar is impressively responsive and comfortable at the same time

Maximum 220psi

power transfer and efficiency

find your fit and control your ride

they deliver secure power transfer on the bike and confident grip when you’re off

giving efficient pedaling

Made with durability in mind and to be easy to mount

ensuring accurate pressure readings every time you pump

the Mainline provides exceptional protection while combining internal air channels and open exhaust ports to maximise breathability

The demands of mountain biking on a pad are very different to those of the road with less time generally spent in the saddle and more freedom of movement required

Double Shot (Model Years 2010+)