Rant: Presta Valve Caps Are Silly

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Rant: Presta Valve Caps

Ed. word Right here’s a Rant: Presta Valve Caps are Silly from Mark V. He’s teetering on the sting from coping with troublesome prospects because the yr involves a detailed.

I don’t need to trivialize behavioral problems, however I’d admire it in the event you’d verify your irrational want for Presta valve caps in your wheels on the door. Thanks very a lot. Why? As a result of they’re past ineffective. Valve caps are a self-inflicted hindrance. 

A Presta inside tube features a threaded plastic cap over the valve. This plastic cap serves exactly two functions: it protects the valve mechanism from being broken. It additionally prevents the valve from damaging the tube casing whereas folded up earlier than being put in. As soon as the tube is put in and inflated inside a clincher tire, it may get poked by many issues. The valve core isn’t one in all them.

Bent Cores

Positive, the precise Presta valve core mechanism can simply bend, however I’m going to disclose an uncomfortable reality. All bent Presta valve cores are because of consumer error.  Valves get abused throughout inflation. That’s when the cap is off to offer the pump or inflator entry to the valve. Yeah, that’s proper. While you convey your bike to my store and inform me that your Presta valve cores acquired bent and also you don’t know the way they acquired that approach, I understand how they acquired that approach.  

Your Presta valves acquired bent since you carelessly compelled the pump on the valve simply as you had been late for a journey. Or since you purchase crappy pumps. Probably each. There, thriller solved! On the time, I withheld that perception to guard one’s vanity.

Wait, you say it’s essential match the Presta cap to guard the valve? No, you don’t. 

In contrast to a Schrader valve (that “fatter” valve-type extra generally discovered on cars and bicycles), a Presta valve doesn’t current an open orifice into which filth can acquire and have an effect on operation. Earlier than you highway riders on the market say that you simply want valve caps since you journey within the rain, cease earlier than you embarrass your self any additional. Attempt to discover pix of Sven Nijs or Katie Compton racing even the muddiest cyclocross with valve caps. Katie F***ing Compton (TM) doesn’t use them! Her mechanic is her husband. Her bike was a rolling monument to that man’s obsession with particulars. If her bike doesn’t have valve caps, that didn’t occur accidentally.

On the bike, the one factor Presta valve caps accomplish is slowing down the method of getting air into your tires. Earlier than you open up the valve core and hook up the pump, you need to first take away a decorative ornament. Much less distracted, you in all probability wouldn’t have bent the bloody valve core within the first place.

Extra Vital Issues

Earlier than we go any additional, I need to double-check to ensure that none of you readers harbor the concept the Presta valve cap contributes to stopping air from escaping the inside tube. As a result of in the event you do, it’s best to bail out now as a result of there’s no level in me making an attempt to clarify pneumatic seals or valves or the permeability of butyl rubber. You in all probability assume social gathering balloons would keep inflated longer in the event you tied them off with a double-knot as an alternative of a single. 

I detest individuals who assume Presta valve caps serve any sensible objective whereas on a bicycle. The worst is when folks exit of their strategy to get color-coordinated or novelty Presta valve caps. 

While you come into my store and need me to alter a flat or pump your tires, I’ll make you are taking these caps off the valves earlier than you hand me your bike. Why? As a result of I can’t be bothered along with your nonsense, and for all, I do know that stupidity could be transmissible.

Once I neglect to switch valve caps, it’s as a result of I used to be fascinated with what mattered. Like, brake pads or the truth that your quick-release is on fallacious.

You then’ll sob about how crestfallen you’ll have been to journey dwelling on a secure and purposeful bike bereft of your ridiculous valve accouterments, all of the whereas suspecting that I needed to maintain your treasured baubles to promote on eBay. If I needed to cope with that, I’d be charging you an identical hourly charge as my therapist.

Muc-Off Valve Caps

In the event you exclude Presta-to-Schrader adaptors, I do know of just one specific Presta valve cap that serves any sensible objective on a motorbike. And it comes with Muc Off tubeless valve kits. It might sound contradictory, contemplating that tubeless valves aren’t even hooked up to tubes, thereby eliminating the unique raison d’être of Presta valve caps. 

Rant: Presta Valve Caps
Muc-Off valves included a valve core remover.

Muc-Off valves ($29 on Amazon) have a cap that includes a instrument to take away valve cores. Assuming that you simply’re not bending valve cores since you had been clumsy with a crappy pump, the rationale you’d need to pull a valve core out of a tubeless valve stem is to make mounting the tubeless tire simpler. 

I preserve an analogous instrument on my keychain. It’s considerably extra handy to connect it to the precise valve. 

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