Schwalbe SV 12B 26" Presta Tube

Reliable Presta Tube for Narrow 26" Tires and Wheelchairs

Presta valve

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The Schwalbe SV 12B Presta Tube is designed for 26" tires with ETRTO sizes 20/28-584/590, delivering dependable performance for both bicycles and wheelchairs. Known for its long-lasting air retention and consistent quality, it’s a trusted choice for everyday use.

Premium Butyl Rubber for Airtight Performance: Constructed from high-grade butyl rubber, this tube minimizes air loss and reduces the need for frequent inflation. Its elastic properties and airtight structure ensure stable pressure for a smoother, more comfortable ride.

Even Wall Thickness for Durability: Each tube is precision-molded during manufacturing to maintain a uniform wall thickness. This enhances durability, improves rolling efficiency and helps prevent unexpected punctures during regular use.

Proven Quality and Safety Assurance: Schwalbe tubes are tested twice at the factory to ensure optimal performance and safety. This rigorous quality control process has proven its reliability millions of times, making it a dependable companion for long-term use.

Featuring a Presta valve, the SV 12B allows easy and accurate inflation. It supports high-pressure applications and offers a secure fit, ideal for riders and users who demand consistent air retention and valve reliability.

Product details

Specifications

Product Number	10423223
ETRTO	20/28-584/590
Wheel Size	26"
Valve Type	Presta SV

Valve Length	40 mm
Bead	Butyl
Execution Tube	Standard
Weight	90 g

Features

High-Grade Butyl Rubber: Delivers excellent air retention, elasticity and reduced inflation frequency for smoother rides.
Uniform Wall Thickness: Precision-molded for durability and consistent rolling performance with minimized puncture risk.
Factory-Tested Reliability: Each tube undergoes dual inspection and a 24-hour pressure test to ensure lasting safety and performance.
40mm Presta Valve: Supports high-pressure use and provides easy, accurate inflation with most standard pumps.
Multi-Use Versatility: Compatible with bicycles and wheelchairs using ETRTO 20/28-584/590 tires.

Warranty and support

Covered by the manufacturer's warranty. Warranty claims go through us and we deal with the brand for you.

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Shipping and returns

We ship across India. Shipping is free on orders above ₹2,000 and ₹99 below that. Cash on delivery is available on orders up to ₹20,000, with a COD charge that depends on the order value. For a delivery estimate, enter your pincode in the box above the add-to-cart button: it shows the courier's own estimate for your address, not a promised date. If a parcel is held up we chase the courier until it is delivered. Full shipping policy

Returns can be started within 7 days of delivery on unused items in their original condition with all tags and packaging. Apparel, helmets, gloves and similar items are returnable; wetsuits and products discounted by more than 5% are not. Compatibility questions are not grounds for a return unless our listing was wrong, so ask us before you order if you are unsure. Return shipping is arranged by you; on an accepted return you can choose an exchange, store credit or a refund after shipping and transaction charges. Orders can be cancelled only until they are processed. Full return and refund policy