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1983 GJS Big Tube

1983 GJS Big Tube

This is the first production GJS Bigtube #B001. Bigtubes debuted at Interbike in 1983 where it was nicknamed *The Muffler Bike*. Restored and won Best in Show at 3rd Annual Vancity BMX show.

Build Sheet 

1983 GJS Bigtube frame 

1983 GJS Bigtube forks

Bullseye 1st gen cranks

Bullseye Euro-American conversion BB 

Ambrosio gold ano rims laced to

Bullseye hollow hubs 

ACS Claws 16T freewheel
Kevlar Comp IV tires
Norco alloy stiffener & headlock
Hutch Pedals
DK cruiser XL stem
CW Pro Bars
Uni Turbo Pro seat
MX clamp
Gold KMC hollow chain lightweight
'83 stamped MX brakes and callipers

Submitted by Bon

  • All-Around
  • Company: GJS
  • Model: Big Tube
  • Wheel Size: 20"
  • Headtube size: 1"
  • Details Bigtubes were originally sold as a frame and fork only, leaving it to dealers to build as they pleased, limited only by the imagination. GJS Bigtube #001 is thought by some to be JU's personal race bike used at '83 ESPN event in LA before retiring and being bought by a young lad who turned it into a freestyler where it was used as part of a German freestyle trick team in the 80's (see B&W photo).

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