

CST Inner Tube 20 x 3.5- 4.0 Schrader
Disclaimer: Fatfish Ebikes' products are designed for recreational use. Laws and regulations for their use vary across Australian states and territories. It’s the rider’s responsibility to stay informed about local rules, ride safely, and wear appropriate protective gear, including a helmet. Any guidance or information provided by Fatfish Ebikes is general in nature and may not apply to every individual situation.
The CST Heavy Duty Standard Tube is a reliable and budget-friendly option, perfectly compatible with the CST BFT and CST Big Boat tyres for your Fatfish e-bike. With its 1.2mm wall thickness, this heavy-duty tube offers solid durability, making it ideal for general-purpose riding across a variety of terrains, from city streets to off-road trails.
Equipped with a 40mm Schrader valve (American Valve), it’s easy to inflate with most standard bike pumps, ensuring a hassle-free experience. Whether you’re riding with the rugged CST BFT or the smooth CST Big Boat tyres, this inner tube provides the durability and dependability you need.
For a straightforward, cost-effective solution that works seamlessly with your Fatfish e-bike, the CST Heavy Duty Standard Tube is the perfect choice, keeping your bike rolling smoothly without breaking the bank.
Shipping Information
All orders are dispatched within 3–5 business days from Gold Coast, this is followed by a delivery time frame. Delivery times typically range from 3–5 business days for metro areas and 7–14 business days for rural and remote locations. Excludes WA, NT and remote areas. For Standard Shipping, we offer free delivery on orders over $99, excluding bulky items. Orders under $99 will incur a $9.90 flat shipping fee.
Please note: While every attempt will be made for you to receive your order as per these delivery timeframes, occasional inconsistencies in logistics and stockouts may occur.
We also offer a Click & Collect service, allowing you to order online and conveniently pick up your items in-store at no extra cost. Make sure to collect your order within 7 days from when you're notified that your order is ready.
Please note: While every attempt will be made for your order to be processed as per the delivery timeframes stated, occasional inconsistencies in logistics and stock outs may occur.
For products available for pre-order, please check the ETA provided for stock availability.
The ETA indicates when stock will be ready, not the delivery date. Once stock is available, your order will be processed, and standard shipping times will apply.
$14.00 Express Shipping option is available for non-bulky items, usually arriving next business day in metro areas. Express shipping is not available for e-bikes and for delivery to WA, NT and remote areas.
Please note: While every attempt will be made for you to receive your order as per these delivery timeframes, occasional inconsistencies in logistics and stockouts may occur
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