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Run a 2.5″ Tire on Your Gravel Bike with the New No.6 Composites Gravel Correct Fork

No.6 Composites Gravel Correct Fork internal routing(Photo / No.6 Composites)
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In today’s news, No.6 Composites launches a suspension-corrected, carbon, gravel race fork called the Gravel Correct Fork. This fork is available to consumers, builders, and dealers. It offers the option to run a suspension-corrected carbon fork that sports wider tire clearance.

The new Gravel Correct Fork was designed with the modern gravel racer/endurance athlete/extreme explorer in mind. The tire clearance is huge with enough room to fit a 700c x 63mm (2.5″) tire. The fork has fender mounts and 3-pack accessory mounts, plus it has routing for a dynamo light, so it’s serious about adventure.

No.6 Composites Gravel Correct Fork subtle branding
Nice subtle branding…

The suspension corrected geo of the Gravel Correct Fork offers users the ability to do a straight swap to a rigid gravel fork without interrupting the bike’s geometry. If you use a hydraulic disconnect for the internal routing, swapping forks would be super easy.

No.6 Composites Gravel Correct Fork fender mounts
(Photo / No.6 Composites)

To make sure the new Gravel Correct Fork can stand up to the demands that a large tire clearance like this will evoke, No.6 developed its very own testing system called ISOCorrect. This new system of testing is said to increase the standard impact and ISO 4210 fork testing standards by 25%.

No.6 Gravel Correct Fork Retail & Detail

Retail: $595

  • Steerer tube length: 350mm
  • Material: Full Carbon
  • Cable routing: available as both semi-internal entering at the top of the fork leg, or fully internal entering at the steerer
  • Rake: 47mm
  • Axle-to-crown: 430mm
  • Suspension corrected to a sagged 40mm travel
  • Axle diameter: 12mm
  • Maximum tire clearance: 63mm x 700c / 2.5” (5mm clearance all sides)
  • Steerer diameter: 1-⅛” to 1-½” tapered
  • Fender mounts: Yes
  • Accessory mounts: Yes
  • Suspension corrected: Yes
  • Dynamo routing: Yes
  • Weight approximately 500g with a 350mm uncut steerer

6composites.com

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seraph
seraph
23 days ago

Ok so your fork can now fit a 2.5, but your frame clearance hasn’t changed…

Rik
Rik
23 days ago
Reply to  seraph

It’s meant to replace a suspension fork with an additional +-30mm of upward travel (40mm-sag). So if you can run 45mm tires with the suspension fork 63mm is probably no problem.

seraph
seraph
22 days ago
Reply to  Rik

I don’t think you understand my comment at all. I’m saying just because you can run a big tire up front does nothing to change your rear tire clearance.

cdn-dave
cdn-dave
23 days ago

I don’t get the fender mounts – the screw holes come straight out the back of the fork leg, vs sideways. I had to get an eye bolt and tap out the eye to mount my fenders (on a #9 fork). Is there a better (less hack-y) way?

No. 22
No. 22
20 days ago
Reply to  cdn-dave

Hey Dave – Have a look at the, Whisky Parts Co. Removable Fender Mounts.

Drew Diller
23 days ago

(The website link at the bottom is malformed. Feel free to delete this comment after fixing.)

Exodux
Exodux
23 days ago

If you need to run a 2.5, or even anything bigger than a 50mm tire on your gravel bike…your riding the wrong bike.
These “tire size wars” on gravel bikes is getting stupid!

Volsung
Volsung
22 days ago
Reply to  Exodux

fun fact, not all gravel is the same! I was shocked to learn this as well.

The same gravel course around my house can vary between packed dirt (if it’s recently been treated) and loose deep sand. I’ve bailed on rides because 43s were too sketchy and ridden the same roads at different times on my aero road bike.

Charlie
Charlie
19 days ago

Grountain bike fork 🙂

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