Precisely one 12 months in the past at this time, we reported on the launch of Muc-Off’s distinctive Massive Bore Tubeless Valves. With a ball valve instead of an ordinary valve core, Muc-Off claims the patent-pending Massive Bore design received’t clog with sealant whereas offering “turbocharged bead seating” with as much as “264% extra airflow.”
The Massive Bore Valves are provided in three types: Lite (Presta pump, Presta rim), Hybrid (Schrader valve, Presta rim), and Ludicrous (Schrader pump, Schrader rim). For the previous 12 months, the Lite model has been provided in three lengths — Small (30 mm), Medium (35 mm), and Massive (45 mm) — whereas the Hybrid additionally is available in XL (60 mm). The Ludicrous model has but to really hit the market, however it’s reportedly nonetheless within the works.
Massive Bore Lite: New Sizes
Now, Muc-Off is making the Massive Bore Lite (Presta pump, Presta rim) in extra XL (60 mm), 2XL (70 mm), and 3XL (80 mm) lengths to suit deeper highway and gravel rims. This makes it attainable for riders working 30 to 68 mm deep rims on their highway and gravel bikes to benefit from the claimed advantages of the core-less Massive Bore Valve design.
In comparison with an ordinary Presta valve, the Massive Bore Lite reportedly permits as much as 230% extra airflow. When the patent-pending Massive Bore ball valve is opened, it permits utterly unimpeded airflow by way of the valve stem. There’s no valve core to decelerate airflow, take away when including sealant, or get clogged over time. All you’ve obtained to do is flip the ball valve to open and shut it. The system actually makes plenty of sense when you consider it. Apparently, the progressive design of the Muc-Off Massive Bore Valves not too long ago earned them a 2025 Eurobike Award.
Massive Bore Lite: Pricing and Sizing
Constituted of CNC-machined aircraft-grade 7075 aluminum with a stainless-steel ball valve, the Massive Bore Valves sound and look fairly sturdy. At $50 a set, nevertheless, they don’t come low cost, however they’re priced competitively with different premium valves in the marketplace, just like the Reserve Fillmore.
The usual Small, Medium, and Massive sizes are available in six shade choices, whereas the brand new XL, 2XL, and 3XL sizes are provided in 4. These 4 colours are black, iridescent, pink, and pink. All colours and all sizes promote for $50 or £50. When you’re unsure what dimension you want, Muc-Off’s dimension chart is an effective place to begin. There may be additionally a dimension selector on the Muc-Off web site, the place you possibly can search by model and mannequin to make sure compatibility.
Massive Bore Lite: Availability
You may be taught extra concerning the Massive Bore Valves or buy the brand new longer lengths instantly by way of the Muc-Off web site. In any other case, the usual, shorter lengths of the Massive Bore Lite valves can be found at Muc-Off’s on-line and brick-and-mortar retail companions, with the longer sizes coming quickly.
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