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Bike Of The Day: Donald’s Custom Grump Lightning Bolt

Today’s Bike Of The Day is an insane, one of a kind Grump frame. They took the popular Grump Double Barrel and put a CW Phase-1 Z Fame inspired lighting bolt on the down tube. This amazing build was sent in by Donald Bray from Australia which is also the home of Grump Bikes. Be sure to give this bike a rating for the March Bike Of The Month and 2021 Bike Of The Year charts.

Grump bmx double barrel frame

When my son was 11 years old and was racing BMX in 1989 i first saw the CW lightning bolt frame and thought that it was cool …so i copied it and added some of  my ideas purely to make it look better than the booring normal

~Donald Bray
Grump bmx z frame

Parts List:

  • Full chromoly Grump frame & forks
  • TNT hub’s
  • Box 24 inch rims.
  • S&M bars
  • Promax stem
  • Promax BB
  • Profile seat clamp
  • SE seat
  • SE Two piece cranks
  • Chris King headset
  • Rock Brothers pedals
  • Vee Tires.
  • Zoom hydraulic Brakes
  • Promaz chain adjusters
  • Non Branded grips

Rate This Bike:

Move the sliders below to rate this bike on a scale of 1-10. This rating goes toward the the new Bike Of The Month chart.

Grump Double Barrel Z
{{ reviewsOverall }} / 10 Users (12 rated)
Color8.05
Originality8.69
Parts7.75
Overall Style8.31
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SUBMIT YOUR BIKE!!

If you would like to get your bike featured as Bike Of The Day.

1. COMMENT ON AT LEAST TWO ARTICLES ON SUGARCAYNE.COM 

2. Send us some high quality photos (full and close up), a Full Parts List with a description about the inspiration for the build. You can also send sponsor shoutouts and any other details about your bike and involvement in the sport. CLICK HERE for more details on how you should send your photos

3. Email the photos, parts list, description and links to your website comments directly to sugarcaynecom@gmail.com. If we like your submission, we’ll feature it. Any custom built BMX bike of any size and type are eligible. 

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3 Comments

  1. shane ,Paul Bray s mate.. in my last comment I mentioned the Grump being “available” they are extremely exclusive as each frame is completely hand made oxy braze welded with an assured technic proven not to break .. good advice to any pro BMX racers this is the bike that will deliver the number # 1 plate as this is why it was designed as the ‘no flex’ bmx no energy was wasted in the flex of the average frame.. also taking into account other frames can break causing fatalities ..

  2. These Grump bmx frame s are result of Don’s back ground in speedway side car racing as mechanic incorporating his experience dealing with theses frames the GRUMP ‘no flex Bmx’ go down in history being the best frames available proven track record by Don’s lad Paul Bray SA 1#- Australia 3 # results

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