pictured: RNA cyclocross frame in metallic anthracite, click on an image to see a larger view

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In a world dominated by robotically-welded and four-sizes-fit-all molded framesets, there is still an alternative

O'Brien custom bicycles and framesets are made one at a time, by hand. They are designed and sized specifically for you, not simply popped off an assembly line in small, medium or large. All cutting, brazing or welding, and finish work is performed by a skilled human craftsman.

Built to perform under the stress of all-out cycling conditions

Stability, predictability and power transfer come first at O'Brien. In a fifty mile-per-hour mountain sweeper with no guardrail, we think you'll agree. Whether you race, tour or commute, O'Brien bicycles are optimized for serious performance.

Available in a full range of materials and configurations

Among the choice of materials is a full assortment of Columbus, Tange, and Easton tubing, with Henry James or Cinelli investment cast lugs and bottom brackets. Also available are Columbus MAX EL kits with carbon fiber CARVE or MUSCLE seat stays and forks. Designs are available for road, touring, or cyclo-cross applications.

Main triangles are low-temperature silver soldered to allow the tubing to retain its original flex characteristics and avoid making the tubes brittle and failure-prone. Stainless steel dropouts are standard, as are lightweight mtb-style cable stops.

We pride ourselves on building a bike that is stable and controllable at any speed. To get this elusive sweet ride, most of our frames are built with a lower bottom bracket than you may be used to. The result? More stability under hard cornering or sprinting and instant response to power input. Perfectly matched head angle and fork rake keeps you rock solid on the descents and holding the line you want through the turns.

Unlike many top name-brand production bikes, each O'Brien frameset is fit, built and aligned by one person - Michael O'Brien. Be sure your ride benefits from his skill and experience - e-mail him today to set up a consultation session.

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