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Flash Pulse and Steady modes
doesn’t mean you don’t value performance and comfort
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Compatible with Topeak’s MTX QuickTrack 2
Surly DUH System - Single Speed Chip and Hardware MFPN=5100028001 Flash Pulse and Steady modesIncludes 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 chip and hardware only work with the Surly DUH single speed thru axle.
