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Weldtite MK2 Brass Presta to Schrader Adaptor with O Ring

4.0 out of 5 stars 32 customer reviews

Price: £1.65 FREE UK delivery.
In stock.
Dispatched from and sold by Y Frame Discounts Ltd.
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  • Converts your bike tyre Presta valve to fit schrader car valve type pumps
  • This will enable you to use a car foot pump or compressor to inflate your tyres

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£1.65 FREE UK delivery. In stock. Dispatched from and sold by Y Frame Discounts Ltd.

Frequently Bought Together

  • Weldtite MK2 Brass Presta to Schrader Adaptor with O Ring
  • +
  • 4x Presta Bicycle high Pressure CNC Aluminium Valve Caps - Black
Total price: £4.64
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Product details

  • Boxed-product Weight: 599 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Manufacturer reference: WEL5150(US)
  • ASIN: B005H0NFBO
  • Date first available at Amazon.co.uk: 4 Nov. 2011
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (32 customer reviews)
  • Amazon Bestsellers Rank: 54,129 in Sports & Outdoors (See Top 100 in Sports & Outdoors)


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
If like our family you have different bicycles with both kinds of valves, this is a very handy and useful adaptor. It allows you to use a car type pump to do all your cycles, even use the forecourt car compressor type air station whilst still retaining the original valves on the tyres.
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Verified Purchase
I was a bit sceptical of this valve converter, but gave it a punt. At less than 3 quid with postage I thought I'd give it a try. It's well made with a good O-ring seal. It fits my 12V Ring compressor perfectly and seals beautifully on the Presta valve on my bike. No more huffing and puffing getting the tyres inflated. Perfect!!
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After having managed to COMPLETELY flatten my tire by using the wrong shaped pump valve, this is the adaptor which came to save. My bike has a Presta nozzle-thing (can you tell I'm not a bike geek?) but our pump is a Schrader pump. I popped this onto my tire's nozzle-thing, stuck our Schrader pump on the other end of the adaptor, and within a few pumps, I was up and running again, and no longer late for work.

Easy to use, cheap as chips, and delivery was speedy. Highly recommended.
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Verified Purchase
This simply isn't the right size - despite screwing it as far as possible onto the Presta valve having opened the valve itself, this is too long so the Schrader pump's central plunger cannot reach the Presta valve and therefore it remains shut, preventing air from entering the tyre.

Utterly worthless - avoid.
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Verified Purchase
Unlike the adaptor my bike shop gave me for free, this seals well and allows me to pump up the Presta valved tyres using a Schrader pump. However, It won't screw down far enough to enable my Schrader pressure gauge to work..
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It fits well and goes on nicely. However, the internal thread that screws onto the presta valve isn't threaded far enough in to allow the pip in the schrader pump to depress the presta valve, rendering it useless.
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Saved me buying another pump. Brass adaptor from 'car' type valve to 'racer' type valve...and it arrived promptly. Nothing else to say.
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Verified Purchase
2 show-stopping faults with this:

1. the seal with the Presta valve wasn't air-tight. I added some grease which helped a little, but still it was impossible to achieve a pressure greater than 50 psi.

2. the adapter depresses the locking stud on the Presta valve, so when you detach the pump, all your air rapidly gushes out.

Useless.
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