Bowei’s gravel bike

Bowei’s gravel bike

After enjoying his road bike, Bowei asked me to build him a bike with the same fit and similar handling, but with clearance for larger tires for adventuring off-pavement. As we were planning the build, I received the first prototype EE gravel brakes, and Bowei was keen to use them. To accommodate the direct mount brakes, I built a custom steel fork, which plugs into an oversize headtube with a zero-stack headset.

The frame has internally brazed hidden bosses under the toptube for the custom Kaibab Customs framebags, which Bowei requested in both a large and small size. The chainstays, seatstays and dropouts are stainless, with a brushed finish, complemented by the silver splatter over the Colorworks paint. Final weight is 16.7lbs.


  1. clicking on the photos don’t enlarge them this time for some reason

    • thanks for letting me know – fixed!

  2. Superb!!!

  3. Curious, given frame size, why you didn’t go with 650, but I suppose given brake choice, you were tire size limited.

    • Customer choice – he wanted to be able to use existing wheels, and I was able to create a design around 700C without any compromises.
      thanks, Rob.

  4. What do you estimate the clearance on those EE gravel breaks will be?

    • Definitely fits a 44mm tire comfortably. I think the limit is more getting the tire out past the pads – need some wider rim brake rims! Will learn more on the next build.

  5. Hi Rob, again a beautiful build. Do you think, it’s possible to combine these brakes with fenders and 35mm tires?

    • Hi Reinhard – I think so, there is plenty of space. Just a question of creating an attachment point for the fender on the seatstay close to the brake.
      thanks, Rob.

  6. What’s the gearing on it?

    • The crank has 32/48 rings, and Bowei is running an 11-32 cassette.

  7. The bikes beautiful… But amazed by the brakes! Just adding a message here in support of getting these brakes production ready. ❤️

  8. Not much clearance to the Front Derailleur. Is that a custom FD Band with some offset built in?

    How would a 44mm tyre work with the FD?

    • Yes, Bowei had the original eTap groupset that doesn’t afford much tire clearance to the front derailleur. I machined the eccentric spacer to give us a couple more mm! The bike is about to be converted to a 1x so that the 44mm rear tire can be fitted.


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