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Includes a Surly DUH system single-speed chip and hardware to transform a geared bike into a single-speeding machine. You will also need a Surly DUH single-speed rear thru-axle (FS0270 – sold separately) to complete the setup. Note: The Surly DUH single-speed thru-axle only works with the DUH single-speed chip and hardware.
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$34.99
