HN LogoHN Logo
HN LogoHN Logo
CatalogueTrack OrderStores
CatalogueTrack OrderStores
Description

Keep your ride smooth and reliable with the Duro Bicycle Tyre Tube for 18 Inch Bike Tyres and 1 3/8 Schrader Valve. This high-quality tube is the perfect replacement to get you back on the road or track.

Key Features
  • For 18 Inch Tyres
  • Fits Size 18 x 1 3/8 Tyres
  • 3.5mm Schrader Valve
  • Tube only - Does not include tyre
  • Part Number 4621
  • Slightly inflate the tube so it takes shape
  • Insert the tube into the tyre
  • Push the valve stem through the hole in the rim
  • Install the tyre bead on one side of the tyre, starting at the valve
  • Repeat for the other tyre bead
  • Ensure the tube is not pinched between the bead and the rim
  • Do not use tools. Do this by hand only
  • Lightly inflate the tyre further and ensure the tyre is seated around the entire rim
  • Continue to inflate to the indicated pressure found on the side of the tyre

Duro Bicycle Tyre Tube for 18 Inch Bike Tyres and 1 3/8 Schrader Valve

DUR_4621 4710944860924
ONLINE ONLY
$11.99

Harvey Norman Customer Direct

  • Delivered by a trusted supplier – track online
  • Allow 5+ business days for delivery – depending on your location
  • Leaves warehouse in 1-2 business days

© 2026 Harvey Norman Online   |   Harvey Norman Online is operated by the eComm Store Pty Ltd, an independent franchisee. Harvey Norman Stores are operated by independent franchisees.

Subject to the terms and conditions goods and services described in this website are available from Harvey Norman online only, unless expressly stated otherwise.

Interest Free AfterPay Zip Pay MasterCard Visa American Express Paypal Gift Card