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Straight out of the box, the Undefeated Track is a race-ready beast of a machine built upon the original Undefeated's winning pedigree. Designed for mastering fixed gear crits, The Undefeated is our lightest production frame ever, featuring Y9 double-butted aluminum alloy tubing, an oversized tapered head tube and an Essor USA full carbon fork that come together to create a stiff, responsive, and fast ride.
The Undefeated complete build features premier, competition-grade components. The Essor USA Aerodash Crankset is built with 7075 aluminum and uses an external bottom bracket to ensure maximum power transfer, while the seamless construction promotes smooth airflow over the crank for greater aerodynamics.
The Essor USA Bolt v2 Wheel Set features a large cutout flange design on the hubs to improve stress distribution while also reducing weight; making the wheel set light enough for competition and durable enough to take a beating on the streets.
Compact Drop Bars round out the complete build by providing comfort and quick transitions between hand placements. Our most responsive and powerful machine yet boasts nothing but premier parts and components, making the Undefeated II the favorite track in track and fixed-gear racing.

    FRAME Y9 Double-Butted Aluminum w/ Tapered Head Tube
    FORK Full Carbon Fiber Fork & Steer Tube by Essor USA
    DROPOUTS Aluminum-Plated Horizontal Dropouts
    WHEEL SET Essor USA v2 Bolt Wheel Set
    FLIP-FLOP HUB Sealed, CNC Finished - Easily Ride Fixed-Gear or Single Speed (w/ addition of freewheel)
    CRANK Essor USA Aerodash
    CHAINRING 7075 Chainring - 144 BCD
    GEAR RATIO 48x16
    HEADSET FSA No.42/ACB - Integrated and Sealed
    STEM 3D Forged - Oversized 31.8 mm Clamp Diameter w/ 90 mm ext.
    HANDLEBARS 31.8 mm Compact Drop Handlebar (40mm / 42mm / 44mm depending on bike size)
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