Custom: Hammarhead Bad Monkey

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What do you get when you cross the distilled essence of two-wheeled awesome with a tiny pit bike? The Hammarhead Bad Monkey was brought to life by the same mad scientist as the Jack Pine and Solo X, but unlike those two bikes, you can probably put this Hammarhead on your credit card; the five they’ll make go for $1,850.

Hammarhead starts with the 110cc Z50-replica kit sold through CHP before cosmetically altering it to fit their matte-black aesthetic.

“The build is pretty simple,” says James Hammarhead.  “I repackage the battery to a hidden location under the seat and clean up  the wiring and cables. We painstakingly remove 150 tiny QA stickers adhered with a special super strength rubber cement.  The tail light is tucked under the seat and the tank is painted matte black (natch).”

This bike is also wearing Hammarhead tank badges.

This particular bike was auctioned to benefit a local preschool while another, near-identical Monkey serves as Hammarhead’s official pit bike.

We used this bike as official HFL transportation at a video shoot we did at Monticello yesterday (more on that soon). Riding it around the south course, we reached a top speed of 40mph and did enough off-roading through the grass to determine that the hard tail really doesn’t like landing jumps. There’s something about hooning a classy looking, yet patently ridiculous bike like this that just makes people smile. This is motorcycling at its most silly.


  • je

    “This particular bike was auctioned to benefit a local preschool ” – Took me a second to realize why that bland looking bike made it on this site. Hats off to them for donating..

    • stempere

      Nothing bland about a bike that goes 40mph and fits in your mailbox.
      Looks like a fun little machine.

      • je

        It goes 40mph and being the size of a very large mailbox doesnt prevent it from being bland. I guess wes is just throwing a little love to the hammarhead guys or really just had that much fun on it. Either way I think its missing that “something badass” to get on HFL…

        Now if Honda displayed a concept CRX with this as a inner city 2nd level transport that could be stuffed in the hatch then hell ya…

        • Sean Smith

          They totally did that.

          • je

            Now see, that is amazing!

        • Ducky

          You will never understand fun and fear until you stuff a monster 140cc conversion engine into this bike. And then take it on the highway. And then start doing wheelies on the highway.

    • Thom

      Looks like a little riot to ride ! No explanations needed why it showed up here .

      I mean seriously . A little fun now and again is needed . This is FUN !

  • ike6116

    Would much rather ride this than a vespa

  • Scott-jay

    Pre-starter bikes in the Seventies, steam-rolling the Briggs & Stratton powered minibikes.
    Black paint & tank badges don’t make ‘em news, but there’s something there: they persist & prosper.

  • HammSammich

    I love it! It looks like a somewhat malformed “Mini-Me” clone of my Bonnie Black!

  • tropical ice cube

    Guuu… Hardtail, really? Why the hardtail? Just lookin’ at the thing, it doesn’t make it sexier, and sure the ride oughtta be bitchier… Not gettin’ it. About yo order this for my daughter; what’s wrong with this?

    • Ducky

      They have soft-tail versions of the Z50. But for a pit bike, the hardtail looks badass

  • Beale

    I’ve got a POS four stroke moped powered by a pitbike clone motor. I’ve been obsessing on monkey bike customs since I’ve been on the hunt for parts for the moped. This one is my favorite:

  • Ed

    Was just searching craigslist for one of the old Monkey bikes. My wife had one when she was a kid, and now the girls want a couple to play in the mud around the farm.

  • Jason

    There are plenty here in Japan! In the auctions every week and even still new ones being produced and on the show room floors of the local Honda dealers. Owner here sink tons of money into them! I have seen some with bill totals over 2,500,000 yen! That’s about $27K ish!