Technical Stuff — Gravel

Invest in hubs, and here's why.

27.5 29er 650b Aero Alex Rims All Mountain Bontrager Carbon Classic Classic and Retro Cyclocross DT Swiss Easton Enduro Fixie Gravel HED Hope Hplusson Hybrid Kinlin Lefty Loctite Mountain Bike Wheel Builds Nextie NOS Novatec Pacenti Project321 Racing Retro Road Bike Wheel Builds Road Bike Wheel Repairs Sapim Shimano Spank Specials Stan's No Tubes Supplied Rims Syntace Testimonials Time Trial or Tri Track Track and Fixed TT and Triathlon Tubeless Tune Tune Hubs Velocity Wheel Builds Wheel Repairs White Industries XLR8 Hubs XLR8 Rims Zelvy Zipp

Invest in hubs, and here's why.

We've been doing this bike wheels thing for a while now, and there's one constant .... hubs are an investment. Buy wisely, and buy once. A good set of hubs will last several sets of rims. We recommend spending at least as much on hubs as the rest of the wheelset. Why? Aren't the rims the core of a wheelset? As we see it, rims are somewhat consumable. Certainly in the case of rim brake rims, as wear on the brake tracks will one day compromise rim integrity, and they'll need to be replaced. With the emergence of disc brakes...

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Cannondale Ai Asymmetric System - a detailed explanation of an elegant solution to a complex problem.

29er All Mountain Carbon Cyclocross Enduro Gravel Lefty Mountain Bike Wheel Builds Nextie Project321 Racing Road Bike Wheel Builds Road Bike Wheel Repairs Wheel Builds Wheel Repairs

Cannondale Ai Asymmetric System - a detailed explanation of an elegant solution to a complex problem.

Our sponsored World Champs XC racer switched over to Cannondale recently, and she quickly needed some new wheels for her Cannondale "Ai" Scalpel. Ai stands for Asymmetric Integration and means the rear wheel has a specific 6mm dish (to the non drive side). More on that in a moment. She rides Project 321 hubs, and the beauty of the system is that standard hubs can be used, along with standard rims. From the wheel perspective, we have to build to a specific offset.  Cannondale says the offset shifts the rear hub and drivetrain 6mm to the right, enabling super short chainstays without any of...

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