WTB TCS Rocket Tire Plug KitNew tubeless tool with rocket science?

Stefan Frey

 · 27.04.2024

WTB's new Rocket Tire Plug Kit may not be rocket science, but it hides some pretty clever features
Photo: Stefan Frey

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There are plenty of tubeless tools on the market, but with the WTB TCS Rocket Tire Plug Kit, the Americans want to set themselves apart from the competition with clever features. Rocket anchors are designed to prevent the plugs from tearing out, while the so-called "Extra Hand" keeps the air in the tyre during the repair. What is this mysterious "hand of God" all about? We explain.

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WTB TCS Rocket Tire Plug Kit - new tubeless tool

In collaboration with Bib Creative, a manufacturer of tubeless tools, WTB has developed a new tyre plug tool. The special feature of the WTB TCS Rocket Tire Plug Kit are the reusable "Rocket" anchors. These anchors can be pre-loaded with tyre plugs and are immediately ready for use in the event of a puncture with a tubeless system. When loaded, the small tool weighs 55 grams and has a few clever details.

Ready to go: There is a spike under the cap that can be pre-loaded with tyre inserts. A maximum of four tubeless plugs fit into the Rocket anchorPhoto: Stefan FreyReady to go: There is a spike under the cap that can be pre-loaded with tyre inserts. A maximum of four tubeless plugs fit into the Rocket anchor

Are you still using inner tubes but would like to convert to tubeless? In our how-to guide, we explain step by step how the conversion can be optimised.


Rocket anchor to prevent the tyre plugs from tearing out

The Rocket anchors of the WTB TCS are available in two sizes, so that between 1 and 4 plugs can be used per repair, allowing different sizes of punctures to be sealed. When the hole is plugged, the anchor in which the plugs are located remains inside the tyre. Unlike conventional tyre plugs, which can tear out under high pressure or when cornering aggressively, the Rocket anchors are designed to hold the plug securely in place. This solution is designed to seal the puncture until the tyre is replaced. The Rocket anchor can then be removed and reused with new tyre plugs.

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The small Rocket anchors remain stuck in the tyre like a bee sting and are designed to prevent the plug from tearing outPhoto: Stefan FreyThe small Rocket anchors remain stuck in the tyre like a bee sting and are designed to prevent the plug from tearing out

The Rocket anchors are designed to rotate once inserted into the tyre, physically preventing the plug from retracting through the tyre. Once an anchor has been pushed into the puncture, the anchor remains in place until it is removed from inside the tyre.

"Extra hand" for less air loss

The so-called "Extra Hand" is located on the back of the WTB TCS tool. A small cap with a tapered spike. The extra hand function is intended to temporarily seal the puncture so that the defect can be assessed in peace and the tyre plug kit can be prepared. It also serves as a reamer and helps to remove sticky residue from the tyre to ensure a smooth repair.

If the preparation takes a long time, the rear cap helps as an "extra hand" and seals the puncture. So no air is lostPhoto: Stefan FreyIf the preparation takes a long time, the rear cap helps as an "extra hand" and seals the puncture. So no air is lost

WTB TCS transport case - the Rocket Launcher

The Rocket Launcher serves as a launch base for the tyre plugs. The anchors loaded with the necessary plugs are placed on the small mandrel before being inserted into the tyre. The small anchor of the WTB TCS holds two plugs, while the large anchor holds four.

The housing has space for 15 tyre plugs and a maximum of 6 Rocket anchors. They are available in two sizes for a maximum of 2 or 4 tyre plugs per insertionPhoto: Stefan FreyThe housing has space for 15 tyre plugs and a maximum of 6 Rocket anchors. They are available in two sizes for a maximum of 2 or 4 tyre plugs per insertion

The rear part of the Rocket Launcher also serves as a handle and storage compartment for spare parts. It offers space for around 15 tyre plugs and a total of 6 Rocket anchors. A small opening in the housing shows the fill level and whether anchors are still available.

The cap extends the lever. This means the tool sits comfortably in the handPhoto: Stefan FreyThe cap extends the lever. This means the tool sits comfortably in the hand

The caps of the Rocket Launcher are secured with an O-ring and can be removed quickly. The larger front cap also fits on the back, allowing the handle to be enlarged slightly.

WTB TCS Rocket Tire Plug Kit - Info and price

  • Weight 55 grammes
  • Contents 15 tyre plugs, 4 anchors (2x small, 2x large) included in the scope of delivery
  • Internal storage space for 15 plugs and up to six anchors
  • Ready to go Tool can be preloaded with up to 4 tyre plugs
  • Extra hand for less air loss during repair
  • Rocket anchor Reusable after tyre replacement
  • Price 44,95 Euro >> available here
There's no rocket science in WTB's new Rocket Tire Plug Kit, but it hides some pretty clever featuresPhoto: Stefan FreyThere's no rocket science in WTB's new Rocket Tire Plug Kit, but it hides some pretty clever features

WTB TCS Rocket Tire Plug Refill Pack

The refill set contains fifteen 1.5 mm spare tyre plugs and four anchors (two small and two large), which are designed for use with the WTB TCS Rocket Tire Plug Pack. In an emergency, however, the anchors can also be used with most multitools. The small anchor holds up to two plugs and can be pushed into the tyre with a 2 mm hexagon. The large anchor holds up to four plugs and is compatible with either a 2 mm or 3 mm hexagon.

Price: 16,95 Euro

A set of 4 anchors (2 sizes) and 15 tyre plugs are available for refillingPhoto: Stefan FreyA set of 4 anchors (2 sizes) and 15 tyre plugs are available for refilling

First impression - TCS Rocket Tire Plug Kit

Especially when the TCS is already loaded with tyre plugs in the bag, the tool is ready for use particularly quickly. Simply pull off the cap and press the tyre sausages together with the Rocket anchor into the puncture. Depending on the size, you may need a little more force to get the plugs into the tyre. When the awl is pulled out, the anchor remains stuck in the "wound" like the sting of a bee and should rotate as you continue riding, thus preventing the plugs from being ripped out again during rough riding.

The TCS sits comfortably in the hand, but the plugs can only be pressed into the tyre with a little effortPhoto: Stefan FreyThe TCS sits comfortably in the hand, but the plugs can only be pressed into the tyre with a little effort

Little air loss thanks to "Extra Hand"

If the TCS is not loaded and needs to be prepared first, the extra hand can help. To do this, pull off the rear cover and insert the mandrel into the tyre to seal it. If you are quick, there will be hardly any air loss at best. This works surprisingly well and the hole is sealed for the time being. However, the rear cap should be removed carefully, otherwise the Rocket anchors will tumble out of the storage compartment and quickly disappear into the botany, which is quite annoying.

Tight first: the "extra hand" prevents too much air from escaping from the tyrePhoto: Stefan FreyTight first: the "extra hand" prevents too much air from escaping from the tyre

Bombproof fit of the tyre plugs

Inserting the plugs into the Rocket anchors is a bit tedious, especially if you want to use several plugs at once. This is easier with open-top awls, as found on most tubeless tools. However, the anchors do seem to hold the plug firmly in the tyre. During our test rides, we didn't experience any problems and the plugs couldn't be pulled out of the tyre by hand either.

Even by hand, the plugs cannot be removed from the tyre. The Rocket anchors improve gripPhoto: Stefan FreyEven by hand, the plugs cannot be removed from the tyre. The Rocket anchors improve grip

Conclusion on the WTB TCS Rocket Tire Plug Kit

In our eyes, the WTB TCS Rocket Tire Plug Kit is a good alternative to the existing systems on the market, with some clever features. The workmanship is high quality and in line with the price. There is hardly anything to criticise in terms of function. Top: the plugs fit tightly and the anchors can be reused after replacing the tyres.

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Stefan Frey is from Lower Bavaria and loves the mossy, loamy trails of the Bavarian Forest as much as the rugged rock of the Dolomites. For technical descents, he is prepared to tackle almost any ascent - under his own steam. As an accessories specialist, he is the first port of call for questions about equipment and add-on parts, while as head of copywriting he sweeps the language crumbs from the pages of the BIKE print editions.

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