The Jar Glass Gas Cap

I hope it’s not necessary to explain what was the inspiration for this Glass Cap. I know quite a few bikers and custom builders who will want one. Guaranteed to attract attention at the gas station. Doesn’t conserve gas.

Just for the pleasure of “differentiating” your gas tank and the thrill of watching through the top glass your gas money disappearing with each ridden mile. Silver Wire Frame Snap Closure and leather gasket(!). Crafted in the USA from DOM tubing, 1.750 diameter, .250 wall thickness, 3.00 length (3.50″ overall). Steel or aluminum. $50.00. At Spider Racing.

Zipper's

21 Responses to “The Jar Glass Gas Cap”


  1. 1 Tyler Jun 1st, 2010 at 10:05 am

    Cyril,
    John has always made great stuff !! He has a unique vision of motorcycles and an “Outside the box” design style. The gas cap is just a small example of that.

  2. 2 Brent Jun 1st, 2010 at 1:54 pm

    He is thinking out of the Jar!

  3. 3 jatinder pal Jun 1st, 2010 at 11:29 pm

    New, what a clever and different approach to bike parts.
    Very good and retro.

  4. 4 ian Jun 2nd, 2010 at 2:51 am

    genius idea – simple and clever

  5. 5 busfreak Jun 2nd, 2010 at 6:25 am

    Made in the US for 50 bucks, now thats a deal.

  6. 6 BikerDATA.com Jun 2nd, 2010 at 6:46 am

    I like it, I would put one on my Fat Boy but the lever would hit my tank before coming to the closed position. Idea is great and can’t wait to see it in a custom Hill Billy designed bike. Good luck with it.

  7. 7 m switzer Jun 2nd, 2010 at 7:16 am

    I just showed the wife the picture and she said “wouldn’t glass in the sun be a problem? would it act as a magnifing glass generating heat and start a fire?”

  8. 8 Pruitt Jun 2nd, 2010 at 10:33 am

    Go down – Glass shatters – Boom!

    It’s sad what passes for innovative these days . . .

  9. 9 grayhawk Jun 2nd, 2010 at 11:12 am

    m switzer you may be right or should I say the little lady has a point, a magnifying point at that at the right angle of sun. Maybe they can sell them to boy scouts for campouts or firebugs or an insurance job in the making.

  10. 10 Jeff Nicklus Jun 2nd, 2010 at 11:27 am

    Make it out of billet and paint it to look like glass. Problem solved. No extra charge for the info either!

    Over & Out,

    Jeff

  11. 11 Lyle Jun 2nd, 2010 at 4:08 pm

    Now if they had dial inside with a needle attached to a sprial hooked to a float, it’d be a cool gas guage. Just like the old outboard motors from the 30’s.

  12. 12 burnout Jun 2nd, 2010 at 10:01 pm

    I want one, The possibility of fire is there EVERY time I ride anyway! peace

  13. 13 Brenda Fox Jun 3rd, 2010 at 12:33 pm

    Can I use a Bed Bath & Beyond 20% off coupon on it?

  14. 14 Dave Blevins Jun 3rd, 2010 at 1:21 pm

    M switzer,
    If your thinking were correct jars of moonshine would explode in the sunlight, or any other high percent alcohol for that matter, such as Golden Grain (which will burn readily)… a magnifying lens that size cannot generate the heat the liquid fuel to a vapor & cause ignition in the tank. And don’t assume it would even work like a convex lens, which it is not.

    Pruitt,
    When a bike goes down there are many things to cause a fuel spill, a crash violent enough to upturn a bike and smash the glass cap would likely tear open any standard cap or rupture the tank itself. This product looks just as safe as any gas cap in that respect.

    If you don’t like a product just say you don’t like it, don’t try to knock it using flawed science.

  15. 15 grayhawk Jun 3rd, 2010 at 1:58 pm

    I don’t like it Dave as why would anyone utilize glass in a gasoline environment over a hot motor and your moonshine science has no more merit than M switzers, nor did mine,lol.
    Why do you think most filling stations do not let you fill glass containers. With the preservative type seal that is tight does everyone add a vent to their tanks as this is definetly not a vented cap. Just may not be such a good idea, but hey each to his own, just don’t park next to me. In our triple digit temperature southern states where one can fry an egg on the pavement I for one would not put gas and its vaporizing properties in this type situation to find out.

    Food for thought:

    http://ww2.cityofpasadena.net/fire/Prevention/flammablesubstances.asp#Background%20Information

  16. 16 m switzer Jun 3rd, 2010 at 3:39 pm

    dave I like, it just openning up a posiblity, I live in MN so I am not worried about temp extrems. Coming back from Sturgis I put tape over my dash beacause of reflection that is very distracting any chrome can reflect and generate heat

  17. 17 mark Jun 8th, 2010 at 12:16 pm

    Can I put my weed in it?

  18. 18 bean're Jun 8th, 2010 at 3:50 pm

    I’m thinking of gettin 2- one for the oil tank too!

  19. 19 THUG CUSTOM CYCLES Jun 9th, 2010 at 7:23 pm

    so…… is it vented??

  20. 20 kman Jun 12th, 2010 at 6:45 pm

    Most gas stations disallow glass containers due to EPA laws.
    The EPA is the epicenter of junk science. California is a very close second.

    As far as heat; not an issue here either. Fear and ignorance is what I see in these comments.

    So which is safer a Prius or a Sherman tank?

    As far as parking next to you, stay home! There’s a lot more dangerous vehicles on the road daily.

    If you are that afraid you should not sit in front of a computer screen or use a cell phone to respond to these posts… geeeeeeesh

  21. 21 Bob Channing Oct 9th, 2010 at 11:21 pm

    I like the creativity and innovation..I like the visuality of the Jar Glass Gas Cap into the tank, however the outer esthetics fall short for me. This was the closest that my internet searches could come to my own application of glass to motorcycle adornment…http://www.motorcycleglasscaps.com
    Please, see for yourself..MGC-1-15 now available for your bike..More to market..More to come!

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