Without specifying what these "rumours" are, and the sources, you could make exactly the same allegation about absolutely any other manufacturer. Await your your reply, but not holding my breath.
Always park our bikes with valves at either 4 or 8 o'clock, only occasionally had Presta valves clog up (use Muc-Off sealant) and if they do simply remove and put in a new valve. They're very cheap.
If they do clog up just run a pipe cleaner through the valve body before replacing the valve...
You have above ignored the fact that when hanging a bike by the seat post weight is applied in the opposite direction to when the bike is being ridden.
I use a 5mm ID tube pushed onto the nozzle of a 100ml BD Plastipak syringe, then draw sealant from the sealant bottle into the syringe. The other end of the tube is then pushed over the top of the valve, and the sealant injected into the wheel.
With a Presta valve with the core removed the...
As said here: What did you buy your ebike this week?
Bought four new Presta valves. Why?
Changed four tyres and at same time fitted Fillmore valves. Clogged up several times while injecting Muc-Off tubeless sealant, probably due to Muc-Off sealant particle size.
After fitting Fillmore valves...
Bought four new Presta valves. Why?
Changed four tyres and at same time fitted Fillmore valves. Clogged up several times while injecting Muc-Off tubeless sealant, probably due to Muc-Off sealant particle size.
After fitting Fillmore valves binned old Presta valves. Not changing to another...
Think High Roller 3 DD's will soon be available (in one or two weeks?) and are what I would have bought if available. The DH did feel a bit 'dead' on the flat, but when going down simply jaw dropping.
As said here ...
What did you buy your ebike this week?
... front Maxxis High Roller 3 Maxxgrip DH, rear Maxxis DHR2 Maxxgrip DD.
The High Roller 3 going down held lines incredibly well, straight as a die going where you point it, genuinely jaw droppingly [sic] good tyre, but should be for...
This week bought Maxxis High Roller 3 Maxxgrip 29 DH tyres which will stay on front all year round. Bought DH because DD seems not to be available yet. Paired with Maxxis DHR2 Maxxgrip 29 DD rears which got cheap from Amazon because spotted a pricing mistake - wanted Maxxterra but couldnt ignore...
I remove anodising by dropping item in caustic soda (potassium hydroxide) solution for a few seconds then when bubbles remove item and rinse thoroughly with cold water. Wearing rubber gloves of course.