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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
standout look to your bike
The insert is designed to minimise drag
They come in three eye-catching colours to complement the look of your bike and your riding preference
Balances protection
0 to attach it to your bike rack
CST Inner Tube 20 x 3.5- 4.0 Schrader 20 x 4.0 Bike Tyres standout look to your bikeThe 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), its easy to inflate with most standard bike pumps,
