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A bicycle tube is predominantly made of butyl rubber.
A bicycle tube is predominantly made of butyl rubber.
Schwalbe

Schwalbe Schrader Valve Inner Tube - AV19 28x1.90/2.35 50/60-222 40mm 50-box

£239.99 £429.50 44% off
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

RETURNS AT A GLANCE


We want you to be happy with your purchase. If something isn’t right, we’ll fix it quickly.


ONLINE ORDERS (INCLUDING CLICK & COLLECT PLACED ONLINE)


You have a legal right to cancel your order within 14 days of receiving your items (or collecting them).

- Tell us within 14 days that you want to cancel

- You then have 14 days to return the item(s)

- We’ll refund you within 14 days of receiving the item(s) back or receiving proof of return


Refund includes: the item price + standard outbound delivery (if you cancelled the entire order).

Return postage: paid by the customer unless the item is faulty or incorrect.


30-DAY GOODWILL RETURNS (UNUSED ITEMS)


In addition to your legal rights, we offer a 30-day goodwill returns window for most items provided they are:

- unused, unworn, unwashed

- returned in original condition

- returned with tags attached and original packaging where possible


This goodwill policy is separate from your legal cancellation rights.


FAULTY OR INCORRECT ITEMS


If your item is faulty, not as described, or we sent the wrong item, you have rights under the Consumer Rights Act 2015.

- Within 30 days, you may be entitled to a full refund

- We’ll cover return costs or arrange collection for faulty/incorrect items


BIKES & OVERSIZED ITEMS (COLLECTION FEES)


Some items require a courier collection service due to size/weight. For change-of-mind returns, a collection fee applies:

- Bikes or bike boxes: £60

- Indoor bikes: £100

- Turbo trainers, wheels, workstands, trainer mats and any item over 61cm x 46cm x 46cm: £15


These fees are waived if the item is faulty or incorrect.


CUSTOM BUILDS & SPECIAL ORDERS


Custom-built bikes and special orders may be exempt from the legal 14-day cancellation right if they are made to your specification.

Faulty/not-as-described rights always apply.


CONTACT


Email: returns@rmcycles.co.uk

Phone: 01580 765612


RETURNS ADDRESS


RM Cycles Ltd, Returns Department

Unit 3A, Leigh Green Industrial Estate

Appledore Road, Tenterden

Kent, TN30 7DE


For full details, please see our Full Returns & Refunds Policy.

Schwalbe Schrader Valve Inner Tube - AV19 28x1.90/2.35 50/60-222 40mm 50-box

Brand:Schwalbe

Code:48256

A bicycle tube is predominantly made of butyl rubber.

Butyl is a very elastic and airtight synthetic rubber. But as with the tire, other fillers are necessary to make up the rubber compound. The quality of a tube can vary significantly depending on the rubber compound. For instance, Schwalbe tubes have extremely high air retention and elasticity. This high elasticity allows a wide range of different tire sizes to be covered.

There is a difference between heat molded and autoclave tubes. Vulcanizing in a mold improves the uniformity of wall thickness, thus reducing weight and improving air retention. For this reason the autoclave tubes which can be produced easier have become less common over the past years. Schwalbe tubes have always been made using the heat molding process.

Every tube also needs a valve, which is bonded to the tube during the vulcanizing process.

Besides the quality of the ingredients, the purity of the schwalbe rubber compound is decisive for the quality of the tube. Before extrusion, the basic material is forced through a total of seven filters under enormous pressure. All tubes are inserted and inflated into a mould for the vulcanization process. Only this ensures an even wall thickness and high air retention.

All tubes are inflated and stored for 24 hours to test for air retention. Afterwards, every tube is carefully checked individually by visual inspection. The Schwalbe tube has been valued by german bicycle dealers for its high reliability for many years.

A tube covers many tire sizes through its high elasticity and quality. At the same time, it is proof of the quality of the tube.

All valves are nickel-plated and threaded. The valve core is always replaceable. Also, Schwalbe tubes with a classic bicycle valve can be inspected for pressure as they have a high-pressure valve core.
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