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Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
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BWSHLF 26 Inch Bike Tubes (4 Pack) are vulcanized replacement inner tubes designed for 26" MTB tires 1.75–2.3, fitted with 35mm Schrader valves for straightforward inflation and reliable air retention.
These inner tubes are built from a high-butyl rubber compound and thicker sidewalls to improve puncture resistance and maintain pressure longer than standard natural rubber alternatives. Packaged as a set of four, each tube undergoes round curing and quality inspections, and they come ready to be installed inside compatible 26" mountain bike tires.
Yes—these tubes are sized specifically for 26" wheels with tire widths between 1.75 and 2.3 inches. Confirm your rim diameter and tire width before purchase to ensure compatibility.
BWSHLF tubes use a high-butyl rubber blend and a thicker sidewall to boost puncture resistance and air retention compared with many standard tubes. The increased wall thickness and vulcanized construction aim to reduce blowouts and keep the tube round under pressure.
Installation follows standard inner-tube procedures: place the deflated tube inside the tire bead before inflating so the outer tire protects the tube. The 35mm Schrader valve fits standard bike pumps and most auto-style pumps without an adapter.
Each BWSHLF tube is subject to 100% inspection during production and is round-cured to ensure uniform shape and reliable performance. Production testing includes inflation and burst checks to reduce the chance of early failure in service.
Who is this product for? Cyclists who ride 26" mountain bikes and want dependable, thicker-walled replacement tubes in bulk will find value in this 4-pack. These tubes suit casual riders, commuting cyclists, MTB enthusiasts who prefer Schrader valves, and households with multiple bikes that share the same 26" wheel size. If you need extra puncture resilience, straightforward pump compatibility, and spares ready for quick swaps, these BWSHLF inner tubes are an economical choice. Always match tube size and valve type to your rim and tire before installing.
Q: Are these tubes compatible with Presta valves?
A: This listing includes 35mm Schrader valve tubes. For Presta valves, choose the 48mm Presta model instead.
Q: Can I trim the Schrader valve length?
A: You can shorten the valve only if necessary for your rim. Use proper tools and avoid damaging the valve stem.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
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