Categories: Accessories and Gear

The Great Debate: Pump or Chuck

I’ve said it once before, but it bears repeating now: adherence to Rule #29 carries with it the ultimate mission of the aspiring Velominatus, which is to geek out endlessly over the minimum amount of gear which yields maximum security in the event of a mechanical incident while riding.

The goal here is twofold. First, with no European Posterior Man Satchel dangling off the back of your bike like an elephant’s nutsack, pocket real estate is at a premium; filling them up with unneeded tools seems wasteful. Second, sagging pockets are as distressing as an EPMS, so care must be taken to ensure the pockets stay as light as possible.

Minimalist multi tool, lightweight inner tube or tubbie goo, and tire levers are all obvious choices; one is left only to endeavor to find the lightest model of each which still functions reliably (a lifetime can be devoted to this task). But that leaves us with the delicate matter of how we choose to resupply the air which provides a simple yet critical element to repairing the most common mechanical of all, the flat tire. The question in this case is, of course, whether to choose a chuck and cartouche c-oh-duex or minipump. Ignoring the obvious utility of being able to challenge someone to a mini-pump duel in the event of irreconcilable difference of opinion on critical matters of La Vie Velominatus, both means of air resupply have their merits.

Dictum 1 above has historically put me in the camp of using a chuck and two C02 cartridges. (One cartouche is not enough, I am much too clumsy to depend on my ability not to bugger the first one up.) First of all, the Lezyne Trigger Drive appeals to my sense of aesthetics; it’s small, nicely crafted, feels great in the hand and can provide hours of fidgeting should it find its way into my pants pocket. I can’t get excited about any particular C02 cartridge, but they are small and simple and I have an inherent appreciation for anything with a thread on it.

Dictum 2, however, does give me some pause; the ensamble is anything but a featherweight. Enter my Lezyne Carbon Roadlite, which was given to me when Lezyne came onboard as Air and Tool Supplier for Keepers Tour 2012. Initially, the pump only accompanied me on wet rides (C02 has a tendency to cause some freezing when discharged in cold, wet weather – very unpleasant). But before long, it began to creep into my thick noggin that the little devil hardly weighs a thing and is more than small enough to fit in my pocket without protruding out of the top, which is most unsightly and considered entirely unacceptable. Today, I find myself reaching for the pump more often than I do the chuck as it lightens my kit a bit, allowing me to consume an additional ale or two without contributing to any overall rider-kit-bike weight gains.

I find myself wondering where others fall in the Great Debate; which path do you walk, Pump or Chuck?

frank

The founder of Velominati and curator of The Rules, Frank was born in the Dutch colonies of Minnesota. His boundless physical talents are carefully canceled out by his equally boundless enthusiasm for drinking. Coffee, beer, wine, if it’s in a container, he will enjoy it, a lot of it. He currently lives in Seattle. He loves riding in the rain and scheduling visits with the Man with the Hammer just to be reminded of the privilege it is to feel completely depleted. He holds down a technology job the description of which no-one really understands and his interests outside of Cycling and drinking are Cycling and drinking. As devoted aesthete, the only thing more important to him than riding a bike well is looking good doing it. Frank is co-author along with the other Keepers of the Cog of the popular book, The Rules, The Way of the Cycling Disciple and also writes a monthly column for the magazine, Cyclist. He is also currently working on the first follow-up to The Rules, tentatively entitled The Hardmen. Email him directly at rouleur@velominati.com.

View Comments

  • Pump.

    Compressed gas is a secondary power source like battery powered shifting; both sap the V.

  • I love this debate.

    I used to like CO2 because I could never get to 120psi on a mini pump.

    Then, after a small disaster involving three punctures on one ride, I switched back to the mini pump.

    Now, however, I vary it depending on the ride and the conditions.

    The aim of the Velominatus is self-sufficiency. For that reason, one must carefully select the appropriate tools before each ride based on form and function. Misplaced loyalty to either CO2 or mini pump, when the circumstances dictate one over the other, is, in my opinion, contrary to that aim.

  • @mcsqueak

    I use Co2 because it's fast, but I do always have a worry in the back of my mind that I'll somehow bungle two cartridges then be stranded. I do want one of those tiny pumps... the Lezyne carbon drive would fit the bill nicely.

    Too small a pump is a study in frustration. I have the lezyne, alloy version and I think it might be a smidge bigger, but the hose coupling is what really makes them worthwhile. I've used smaller pumps without that hose, and the volume and time it takes to pump a tyre is ridiculous. Can get close to 90-100 psi, or close enought with the Lezyne for it to not be an issue.

    FWIW, I train with a pump and race with chucks. If i go through two cartridges in a race I'm properly screwed anyway so may as well jump in the van.

    I also get a kick out of looking like I'm hunched over a bike, my back to oncoming traffic, looking like I'm furiously masturbating over the dismembered wheels and frame of a bike while pumping up a tyre by hand.

  • Pump - burns more cals, thus achieving climbing weight quicker! And if in a group ride, have to chase down group Souplesse style.

    I ride around on freakin heavy wheels, 2kg's+, so on race day, put in the light wheels and you go faster!

  • @RedRanger You're a man after my own back pocket, that's identical to my set up. I pinch SWMBO's hair ties and thread a back door key onto that, then use it to hold the bundle together. Grab one thing, a banana and out the door.

    One small difference in I use pedro's levers since I'm a meathead and break other tyre levers very easily.

  • A zefal pump. I'm kidding.

    Like @a stray velo, I carry neither.  His answer eloquently sums it up. Besides, I've only flatted twice in the last 12 months, but if I do I exercise rule #5 and simply remove the tires completely, grit my teeth, and pedal home on the wheels. 

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