Reference / Frames

1999 Planet X BMX Prototype “Jack Flash”

Planet X BMX

United Kingdom


Planet-X BMX Prototype
1 of 3 prototypes made in 1999 by the British cycle manufacturer Planet X.
Based in Yorkshire, England, Planet X was founded 25 years ago by Dave Loughran.
By 1999 the early Planet X range was limited to single speed dirt jump bikes, 24” and 26” – the bike which set the company up was the Planet X "Jack Flash".

The was BMX study would have been a great addition to the early Planet X range, as the trio of Prototype BMX frames incorporated elements found on  the "Jack Flash" Dirt Jump frame. I have a 2001 Planet X Jack Flash jump bike so I will post some photos in comments so you can see the elements the BMX shared.

Although the Planet X BMX could have been a very popular and sucessful model, the project was shelved the BMX project... Sadly Planet X never produced this BMX. Sad as the Prototypes show what a fantastic bike it could have been.

Each of the three experimental frames had detail differences, so all were unique.

I recently contacted Dave Loughran at Planet X Bikes, now a major on-line cycling business, and sent some photographs of the Prototype BMX - in reply he said; "I'd forgotten about that! Looks nice that frame. I think it was a race BMX sample we made with our French distributor. We made an On-One "Runt" BMX in steel.
(On-One is a sister company to Planet X and the steel Runt BMX was produced in 2001-02 - one of these Runts can be seen in the museum under he On-One section).

Back to the three Prototype alloy frames, two of them are still currently known today and are both different - I will include a photo of the other known example in comments to this post  this has not got gusset plates above and below the down tubes behind the seat post which this example has..

This Planet-X frame is 21-1/4inches with 39inch wheelbase hub to hub.
This Prototype is built with high end components by British BMX collector, Steve Watkin, as follows: Mazocchi Sinister forks. S&M Bikes Chrome XLT 4130 CrMo Slam Bars, S&M Bikes 7075-T6 Front Load Redneck stem and grips. Second Generation Dual Pinch Techniques cranks. Johnson Products JP10 Pro Square pedals with JP 80 Square Cages and JP 500 Buzz Saw Frame Saver/Dual Adjust chain tensioners. Tuf-Neck 40 tooth chainring. Izumi chain. Odyssey A-brake. Mitsuboshi Comp III Rainbows 20 x1.5. 20x1.5. Mavic Xy 32 spoke Double Wall black anodised shine sides laced with blue spokes, gold nipples to Bullseye 32 hubs. Redline seat and Fox Racing plate.

This has to be the looking British BMX of all. There’s no question about either its heritage or quality – it’s light, fast, and as a Prototype that was never put into production it is one seriously rare BMX. I hope you enjoy seeing this Prototype bike as much as I am enjoying being the current custodian.

Submitted by 20-20 (View all 2 posts)

  • Posted 10/25/2018
  • Updated 11/1/2018 by Hobbes12
  • Comments

    Wow, very cool looking frame. That brace connecting the seat and chain stays is sweet. Thanks for sharing.

    Thanks Peace12


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