ParkTool
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Park Tool TSI-1 - Tubeless Sealant Injector, One Size, Blue
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Park Tool TSI-1 - Tubeless Sealant Injector, One Size, Blue
Easy-to-use syringe-style injector for setting up and removing tubeless bicycle tire systems without making a mess
Park Tool TSI-1 - Tubeless Sealant Injector, One Size, Blue
Item #: 37965557

Park Tool TSI-1 - Tubeless Sealant Injector, One Size, Blue

Item #: 37965557

GBP 33

Price Details

Price
GBP 33

Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )

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Easy-to-use syringe-style injector for setting up and removing tubeless bicycle tire systems without making a mess
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What Stands Out

Precision Injection
The Park Tool TSI-1 ensures accurate application of tubeless sealant, minimizing mess while providing effective sealing, making it ideal for cyclists who value efficiency and cleanliness in tire maintenance.
Durable Design
Constructed with high-quality materials, the TSI-1 is built to withstand regular use, ensuring long-lasting performance for both casual riders and avid cyclists looking for reliability in their tools.
User-Friendly
Designed for ease of use, the TSI-1 allows for quick and hassle-free application of sealant, solving user problems related to traditional methods and making tubeless setup accessible for all skill levels.

Product Details

Find the best deals on Park Tool TSI-1 Tubeless Sealant Injector at Ubuy UK. Ensure a smooth ride with this essential tool for tubeless bicycle tires.
MaterialPlastic
BrandPark Tool
StyleCompact
Item Weight100 Grams
Item dimensions L x W x H7 x 4 x 2.5 inches (17.8 x 10.2 x 6.4 cm)

Who Should Buy?

Suitable For
  • Cyclists

    Ideal for cyclists using tubeless tires, it simplifies the process of adding sealant effectively.

  • DIY Enthusiasts

    Great for those who prefer doing their own tire maintenance and require precision in sealant application.

  • Bike Shops

    Perfect for bike shops needing a reliable tool for efficiently injecting sealant into customer bikes.

Not Suitable For
  • Casual Riders

    Not suitable for casual riders who rarely use tubeless systems and don’t require frequent sealant applications.

Product Description

Park Tool TSI-1 - Tubeless Sealant Injector, One Size, Blue

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Park Tool TSI-1 Tubeless Sealant Injector used for?

    Answer: The Park Tool TSI-1 Tubeless Sealant Injector is designed for injecting sealant into tubeless tire setups. This injector allows for a mess-free application of sealant directly into the tire, ensuring you can maintain optimal inflation and prevent air leakage. It's particularly useful during tire installations or when recharging sealant, making it an essential tool for cycling enthusiasts who switch tires frequently or ride on varying terrains.
  • Question: How do you use the Park Tool TSI-1 Injector?

    Answer: To use the Park Tool TSI-1 Injector, first ensure your tire is properly seated on the rim. Lift the tire bead slightly to create a gap, insert the injector tip into the tire, and pull back the plunger to draw sealant into the injector. Push the plunger to release the sealant into the tire, and then reseat the tire bead. This method minimizes contact with the tire's inner surface and reduces the mess associated with sealant application, making maintenance a breeze.
  • Question: Is the Park Tool TSI-1 compatible with all types of tubeless tires?

    Answer: Yes, the Park Tool TSI-1 Tubeless Sealant Injector is compatible with most standard tubeless tire systems. It can be used for various brands and types of tubeless tires, as long as they use liquid sealants. Whether you're working with road, mountain, or gravel bike tires, this injector is a versatile tool that simplifies the maintenance of tubeless systems.
  • Question: What type of sealant should I use with the TSI-1 Injector?

    Answer: The TSI-1 Injector works well with a variety of tubeless tire sealants available on the market. It's important to choose a sealant that is designed for your specific tire type and riding conditions. Popular options include latex-based sealants, which provide excellent puncture protection, and those that contain particles for sealing larger holes. Always check the manufacturer's recommendations to ensure compatibility and performance.
  • Question: Can I use the injector for refilling sealant in an existing tubeless setup?

    Answer: Absolutely! The Park Tool TSI-1 Injector is perfect for refilling sealant in an existing tubeless tire setup. Over time, sealants can dry out or lose effectiveness, and periodic refills are necessary. The injector allows for quick and efficient top-ups without the need to fully remove the tire, ensuring your tubeless system remains effective against punctures and air loss.
  • Question: Is the TSI-1 Injector easy to clean after use?

    Answer: Yes, the Park Tool TSI-1 Injector is designed for easy cleaning. After using the injector for sealant application, simply disassemble the unit and rinse it with water or cleaner. For best results, remove any residual sealant immediately after use, as it can dry inside the injector. Maintaining the cleanliness of the injector extends its lifespan and ensures optimal performance for future applications.
  • Question: What is the advantage of using the Park Tool TSI-1 over other sealant injectors?

    Answer: The Park Tool TSI-1 stands out from other sealant injectors due to its well-thought-out design and build quality. Its precision tip and plunger mechanism ensure accurate sealant delivery without spills or unnecessary mess. Additionally, its durable construction is ideal for repeated use, making it a long-term investment for serious cyclists who prioritize maintaining their tubeless tire systems.
  • Question: Can I use other types of syringes as an alternative to the TSI-1 Injector?

    Answer: While it's possible to use other types of syringes for injecting tubeless sealant, they may not provide the same level of precision and ease of use as the Park Tool TSI-1 Injector. Standard syringes often lack features tailored for sealants, such as a specialized tip for easy insertion or an effective plunger mechanism. For the best results and cleaner operation, sticking with product designed specifically for tubeless systems is recommended.
  • Question: How does the TSI-1 Injector help with tire maintenance?

    Answer: The Park Tool TSI-1 Injector greatly simplifies tire maintenance for tubeless systems. By allowing for direct sealant application, it minimizes the hassle of tire removal and reduces the risk of spills. Regularly checking and replenishing sealant levels keeps your tires sealed against punctures, ensuring a smooth ride. This injector is especially valuable for cyclists who often venture on rough terrains, where the risk of flats is higher.
  • Question: Where can I buy the Park Tool TSI-1 - Tubeless Sealant Injector in UK?

    Answer: You can purchase the Park Tool TSI-1 - Tubeless Sealant Injector at Ubuy. Ubuy offers a wide selection of cycling tools, including this reliable injector, ensuring you can find the product you need with ease. Plus, their competitive pricing and customer-friendly service make it a great choice for your cycling maintenance needs.

ParkTool Shop Tools Editorial Review

The Park Tool TSI-1 Tubeless Sealant Injector is a well-designed and high-quality product that allows for easy and clean insertion of sealant into tubeless bike tires. It is made of thick and heavy plastic, with the ability to replace worn-out parts, including two O-rings and one proboscis tube. It is easy to disassemble and clean and comes with a sticker that allows for easy measurement. Despite the high price, it is worth every penny to those who frequently add or change sealant in their bikes. Some customers have noted that it does not work with some types of sealant, such as the Stans race sealant, and does not come with a storage case.

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Pros

  • High-quality design
  • Easily replaceable parts
  • Easy to clean
  • Comes with a measurement sticker
  • Makes adding sealant quick and simple
  • Doesn't gunk up like plastic injectors

Cons

  • Doesn't work with some types of sealant

Platform Trust & Buyer Confidence

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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GBP 33

Excluding VAT : VAT will be calculated on the checkout page

Order now and get it around Wednesday, September 02

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Injects sealant directly into mounted tubeless tires through the valve stem without removing the bead from the rim
  • Long, thin tube fits all the way through most Presta stems with removable valve cores
  • Oversized syringe body with easy-to-read gauge for precise application of sealant
  • Holds up to 100 cc (3.5 fl. oz.) of any injectable tubeless sealant
  • Trusted since 1963 to design and manufacture high-quality tools
  • Product of decades of experience and expertise in the industry, in the shop and on the trail

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