Wheel Shop Alex X101 700c QR Freewheel Rear WheelThe Wheel Shop Alex X101 700c QR Freewheel Single Wall Rear Wheel has an inner width of 19.7mm. The rims feature pinned joint construction and are drilled for a Schrader valve, with 36 holes for added strength and stability. The rear hub is Formula FM-31-QR and made of alloy and compatible with a freewheel. Comes with a quick release skewer. Available in Silver.770612289420