Muc-Off, the Global leader in bicycle care, has revolutionized the market by launching its innovation in the precision tubeless valves segment: Big Bore Tubeless Valves.
Muc-Off has spent the last three years developing the new patent-pending range of ‘Big Bore’ Tubeless Valves, upping the ante in high-air-flow tubeless tire systems with a simple mantra: Big bore + no core = Extreme airflow.
We first saw the Big Bore Tubeless Valves at Sea Otter but haven’t tried them yet. The Lite and Hybrid models are currently available in Europe, while the US will get them in late July.
With its revolutionary ‘Straight-through’ internal design and cutting-edge integrated ball valve and lever system, the valves boast an airflow rate that’s up to 254% higher than traditional Presta valves, turbocharging and simplifying inflation and the sealant filling or top-up process, giving riders the ultimate airflow hit.
Traditional Presta valves can have severe limitations, such as restricted airflow, sealant clogging, time-consuming tubeless setup, etc. Although Muc-Off believes that their current precision Tubeless Presta Valves still have a vital role to play, mainly in road and XC (for those who prefer ultimate weight saving over convenience), their new range will appeal to riders who want the ultimate airflow hit, with the least amount of hassle.
These new valves are set to propel tubeless setup into a new era of performance and convenience – Oh, and they look pretty damn sick too!
Crafted from lightweight and durable 7075 aircraft grade CNC machined aluminum and featuring a unique stainless steel coreless ball valve and integrated lever, riders can quickly open and close the valve for effortless airflow control, as well as fine-tuning tire pressures on the move, beneficial for those riding on a range of different terrains.
The new valve’s straight-through internal bore design prevents sealant clogging and valve core removal during sealant filling, making tubeless repair and maintenance more straightforward.
“In just six years, our Puncture Protection range has grown into the most comprehensive offering on the market. Our new Big Bore Tubeless Valve range is a gamechanger. We’ve known about the limitations of traditional Presta valves for years, and we knew we could design a better solution. Our ambition here is for our new valves to become the globally adopted standard, so it’s imperative that they outperform traditional valves in every way. Following years of extensive testing and development, I’m stoked to say that they do! We can’t wait to start seeing them on rider’s bikes so they can experience the future of valve technology for themselves.” – Alex Trimnell, CEO
at Muc-Off.
Muc-Off’s Big Bore Valves are Insert compatible with their four-way airflow base; they are push-on and screw-on pump compatible and can be used with a Muc-Off Secure Tubeless AirTag Holder. They are also simple to install and remove due to their 4mm machined Hex key slot. The valves are fully serviceable, with Muc-Off offering a valve servicing kit (Available later this year) to help riders quickly extend the life of their valves and maintain peak performance. Think of it as a valve for life.
This innovative addition builds on Muc-Off’s hugely popular Puncture Protection range, which is the most comprehensive offering currently available – designed by riders, for riders to ‘stick-it’ to punctures. The Big Bore range is available in three different versions, offering various levels of airflow firepower – Big Bore Lite, Big Bore Hybrid, and Big Bore Ludicrous.
Big Bore Lite is designed for Presta valve aficionados looking for Presta rim hole and inflation compatibility. The stealthy design features a 3.3mm internal diameter valve head and offers up to 230% greater airflow than a standard Presta valve.
Big Bore Hybrid has the same Presta-style valve stem but a wider Schrader valve head offering a 5.7mm internal diameter. This gives riders up to 254% greater airflow than a standard Presta while allowing them to utilize Schrader-compatible pumps and inflation systems. It is also Presta rim hole compatible. This means that even a gas station car pump can be deployed if pressures drop, so there is no need for any adapters to get a quick air hit on the move.
Now, hold my beer because things are about to get serious! Muc-Off sees the future of MTB/EMTB valves switching to Schrader-size holes in rims to give riders the ultimate air flow hit. Introducing Big Bore Ludicrous – this is big bore munitions for your bike! Compatible with a Schrader rim hole, it’s constructed with a 5.7mm valve stem and 5.7mm valve head to deliver an unobstructed straight pipe airflow setup that gives a….. wait for it…. whooping 264% greater airflow than a standard Presta valve!! You will not believe how easy getting the initial seal when seating a tire is!
These new Big Bore Tubeless Valves are offered in four different stem lengths – 30mm, 35mm, 45mm, and 60mm to suit a range of rim depths and cater to riders looking for a more slammed look to their valve and rim combo. As the innovative new design essentially splits in the middle, the stem length is shorter than a traditional valve stem as the valve assembly screws onto the top of the stem, therefore lengths are non-comparable with existing valves on the market. Each size and valve will be available in six anodized colors, enabling customization of valve loadout.
These new Big Bore Tubeless Valves testify to Muc-Off’s ongoing dedication to innovation and improving riders’ adventures. Since the initial launch of their first Tubeless Valves in 2018 and the second generation of Tubeless Valves in 2021, Muc-Off’s in-house engineers have been working with pro-teams like Commencal//Muc-Off, testing and perfecting the design to create this latest generation. In the same way, as those previous iterations moved the game forward, this latest version is set to take things to a whole new level.
Big Bore valves: Big bore + No core = Extreme Airflow.
Muc-Off’s Big Bore Lite & Hybrid Valves are available now from the Muc-Off global dealer network, selected eretailers, and direct from www.muc-off.com. Big Bore Ludicrous is coming soon.
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