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CoreCap is the ultimate solution for tubeless cyclists seeking convenience and performance with up to 300% more airflow than traditional valves.
CoreCap is the ultimate solution for tubeless cyclists seeking convenience and performance with up to 300% more airflow than traditional valves.
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BBB BTI-165 CoreCap Valve Cap 2-piece Set in Gold

£14.99
Pre-Order

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

Returns will back accepted in store with a receipt and online within 28 days of purchase

RETURNS

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Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items:
Gift cards
Downloadable software products
Some health and personal care items

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer.

There are certain situations where only partial refunds are granted: (if applicable)

Book with obvious signs of use
CD, DVD, VHS tape, software, video game, cassette tape, or vinyl record that has been opened.
Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
Any item that is returned more than 30 days after delivery
Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds (if applicable)

If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted.

If you’ve done all of this and you still have not received your refund yet, please contact us at info@hewittcycles.co.uk.

Sale items (if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@hewittcycles.co.uk and send your item to: 17-19 Preston Road, Leyland, PR25 4NT, United Kingdom.

Gifts

If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.

If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.

Shipping

To return your product, you should mail your product to: 17-19 Preston Road, Leyland, PR25 4NT, United Kingdom.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

BBB BTI-165 CoreCap Valve Cap 2-piece Set in Gold

Season:2026

Brand:Bbb

Code:2977346510

CoreCap is the ultimate solution for tubeless cyclists seeking convenience and performance.

Say goodbye to the hassle of bending or breaking fragile Presta cores with this robust design, which ensures easy installation without unscrewing or adapters. Experience consistent airflow with up to 300% improvement, perfect for effortless tyre pressure adjustments across all riding styles, including tubeless setups. Built for durability, the CoreCap valve withstands regular use and makes maintenance a breeze, greatly enhancing your cycling experience.

CoreCap was designed with one clear goal: to deliver a better user experience than traditional bike valves. Suitable for both inner tubes and tubeless systems, CoreCap solves long-standing issues related to fragility, restricted airflow, and maintenance. No more bent valve cores and no tubeless sealant blocking airflow. The innovative internal construction maximizes airflow and makes adjusting tyre pressure easier than ever. This means faster inflation, more precise pressure adjustment, and effortless tubeless setup. In many cases, the tyre bead will seat without the need for a compressor.

Bbb's CoreCap offers true universal compatibility. Thanks to its design, the valve works with standard Schrader (AV) pump heads, allowing you to inflate your tyres anywhere, including at a gas station, with no adapters required. This compatibility works both ways: the CoreCap Valve Caps Upgrade Set can be mounted on any fully threaded Presta valve with a removable core, including valves on inner tubes.

Features:

  • Winner of the iF Design Award 2026
  • Easily replaces traditional Presta valve cores without the need for adapters
  • Compatible with all fully threaded Presta valves with removable valve cores, including those on inner tubes
  • Delivers up to 300% more airflow compared to traditional valves
  • Can be used for e-bikes and urban bikes
  • Suitable for gravel, MTB, road, and urban tube types
  • Compatible with wheel sizes from 12.5 to 29
Technical Information
  • Compatible with
    Presta valves
  • Wheel size (inch)
    12.5, 16, 18, 20, 22, 24, 26, 27.5, 24/26, 26/28, 28, 29
  • Removable valve
    Yes
  • Tube type
    Gravel, MTB, Road, Urban
  • Bended valve
    No
Sizing Information
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