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The Zinn Duro fork is designed and manufactured to be the strongest carbon fiber bicycle fork on the market. Great for big and tall riders, tandems, touring bikes, and gravel.
We have designed a standout carbon gravel fork that is strong enough for heavy and/or aggressive riders, or for loading a bike down with gear. This fork has superior braking performance, optimal tire clearance, and a long enough steering tube to fit even the tallest people out there. The Zinn Duro carbon bike fork is a testament to our dedication to quality engineering and craftsmanship. This fork is designed and manufactured to be the world's strongest carbon fiber bicycle fork. It works for riders of all sizes. It is ideal for big and tall cyclists, e-bikes, tandems, touring bikes, gravel bikes, and bike packing. Discover a carbon gravel fork with a reinforced extra-long steering tube, super beefy fork legs, and a larger brake rotor compatibility.
The Zinn Duro features a 450mm long steering tube with extra-thick carbon fiber, designed to be strong enough for very tall riders even with extra tall headset stack heights*. The steering tube is tapered and can be cut to any custom length. It is about 30% thicker than all other leading manufacturers' steering tubes.
This durable carbon gravel bike fork uses a flat mount brake system designed for larger rotors than any other flat mount compatible carbon fork on the market. It works seamlessly with a 160mm or 180mm rotor and is compatible with any flat-mount disc brake system (the most common brake system for road and gravel bikes). If you want even more braking power than you get with the 180mm rotor, we also sell HOPE RX4+ 4-piston brake calipers which can be interchanged with any Shimano or Sram flat-mount brake caliper to provide incredible braking performance.
The fork legs of the Zinn Duro are built with an extra-large cross section and a thicker carbon layup for ultimate strength and stiffness. This adds to its vibration-damping characteristics, meaning you get the strongest carbon gravel bike fork with the smoothest ride quality.
This fork is designed to work with a wide range of bicycle tires up to 45mm in width or as narrow as 30mm, which means you can run this fork on a disc brake road bike or on an adventure gravel bike. It has rack and fender mounts making it perfect for touring and bike packing.
Explore more carbon gravel fork options at Zinn Cycles and create your perfect ride today.
* we have not yet tested a maximum stack height.
