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An assortment of chainrings with different tooth counts laid out on a workbench mat

tech

The Single-Speed Gear Calculator

Gear inches, development, gain ratio, and speed at cadence: the gearing math that actually matters when you only have one gear to pick.

Mountain bike on a rocky overlook above Golden, Colorado, with the Coors brewery and the valley below

place

Golden, Colorado: Go Up, Come Down, Drink Beer

A mountain bike town where most rides involve climbing a foothill, descending it, and deciding where to get a beer afterward.

On-One Inbred single-speed mountain bike leaning against a tree

bike

The Inbred That Started It

The cheap On-One frame and cobbled-together parts that started a single-speed habit.

Close-up of a single-speed conversion on vertical dropouts, showing a Surly chain tensioner and axle hardware holding the rear wheel in place

tech

So You Want to Build a Single Speed?

A practical guide to dropouts, chain tension, hubs, freewheels, gear ratios, crank length, and turning an innocent bicycle into a one-geared bad decision.

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From the Ride

Featured Collection

Surly Krampus single-speed mountain bike leaning on a rock beside a dirt trail, with storm clouds over the foothills behind it

Steel Forever

Bikes built from steel and kept far longer than intended.

Manifesto

There are no derailleurs here. Just bikes, rides, people, and places that prove one gear is enough.

Got a Bike, Ride, or Story?

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