Surly DUH System - Single Speed Chip and Hardware MPFN-TB00329500 Zipp valve extenders for use

Zipp valve extenders for use with removable presta value tubes

Compatible with the X1E / X1 / X1F/ X3 cleats (HT exclusive system)

25 Primary Color Tanwall Bead Folding Tire Compound Dual DNA Tire Diameter/ISO 29/622 Tire Technology TCS Light/Fast Rolling SG2 Tire Type Tubeless Ready TPI 60TPI e-Bike approved No Tire Width Range 1

and maneuverability while allowing for unmatched versatility

Forged alloy BB386Evo spindle

Surly DUH System - Single Speed Chip and Hardware MPFN-TB00329500 Zipp valve extenders for useIncludes 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.