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GT Bicycles

On this page: 54cm ZR 30 complete road bicycle | 60cm Edge Aero road frameset | 16" 1993 GT Tequesta All Terra mountain bike | 22" steel mountain frameset

GT Bicycles was started in the garage of Gary Turner in 1979. Like several iconic firms that began around that time, Gary Turner and partner Richard Long were looking to make better BMX bikes for Turner's kids. The firm grew, eventually making a complete line of BMX, mountain and road bikes.

The company became a roaring success. It famously made the high-performance "Superbikes" for the 1996 American Olympic team. GT has sponsored and equipped BMX, mountain and road racing teams. Among the road racing teams GT sponsored was the famous GT/Lotto-Adecco team in the late 1990s.

GT bikes are famous for having seat stays parallel to the down tube that are welded to both the seat tube and top tube, which GT calls "Triple Triangle". It is a design with a long history that GT has made its own.

54 cm GT ZR 30 bicycle. $850 Complete bicycle, barely used
54cm seat tube x 54cm top tube.

The frame is built with GT's famous triple triangle design. It's made with heat-treated 7000-series aluminum tubing. The fork is a carbon-fiber "GT Edge".

Kit is Shimano 105 9-speed x triple crank. Rims are Mavic CPX-21

GT ZR 30

Top view of this excellent road bike

GT ZR 30

Left side showing carbon fork.

Carbon fork

Close-up of the carbon fork

GT ZR 30

View of the rear triangle

GT seat cluster

Seat cluster

Holoowtech crankset

Shimano 105 Hollowtech triple crankset. The arms really are hollow tubes, making for a strong, stiff, lightweight crankset.

GT bike

View of the triple crankset, triple front derailleur

GT rear cluster

Where the power ends up, the Shimano 9-speed cluster. Note the derailleur shows almost no use.

60cm Edge Aero frameset with Edge carbon fork. Used, $450.00

60cm seat tube x 59cm top tube

  • 590mm top tube
  • 200mm head tube
  • Serial# 08970852
  • We believe this frameset was produced in 1998 or 1999
  • The frame is made of heat-treated 6061-T6 butted aluminum tubes.

GT Edge frame

The frameset comes with a headset

GT Carbon Edge Fork

The frameset's Carbon Edge Fork

GT Edge frameset

The head-tube/top-tube joint and the Shimano 600 headset.

Seat stays

Where the seat stays join the seat tube.

GT frameset

The frame has internal rear brake cable routing.

GT Edge frameset

The right rear replaceable dropout.

GT Edge frameset

The tubing decal: Heat-treated 6061-T6 butted aluminum

GT Edge frameset

The frameset is not new, so it has a few scrapes. Here's the downtube.

GT Edge frameset

And here's a dent on the downtube.

16" 1993 GT Tequesta All Terra mountain bike in Camo Blue. Used, $500.00/each

  • Built with Tange Infinity tubing in GT's triple triangle geometry. 
  • GT seatpost, stem and Brahma handlebar.
  • Shimano Deore LX 8-speed RFP 565 brifters (brake lever/shifter).  
  • Shimano Exage M520 cantilevers w/Koolstop Eagle Claw pads, derailleurs & crankset.
  • Shimano HG70 13-30 cassette
  • KMC all-nickel chain
  • Rear wheel: Shimano Deore LX 7-10-speed hub, 14-gauge stainless steel spoles, Ritchey Rock 415 E 32-hole rim
  • Front wheel: Specialized 9mm cartridge bearing hub, Wheelsmith stainless steel 14-gauge spokes radial pattern, Ritchey Rock 415 E 32h rim.
  • Tires: WTB Desert 2.1 rear tire, VelociRaptor 2.1 front tire.

GT Tequesta

Side view. This bike is just waiting to have some fun.

GT bicycle

Here's the bike turned around to show its non-drive side.

GT Tequesta bicycle

From the front.

GT Tequesta bike

And from behind.

GT Tequesta

The bike's cockpit, showing the Brahma handlebars.

GT Tequesta bicycle

The frame is built with first-class tubing, Tange Infinity double-butted, taper-gauge chrome-moly steel.

GT Tequesta bike

The bike's Shimano Exage triple crankset

Shimano Exage crankset

The Shimano Exage rear derailleur, the 13-30 cassette and the KMC nickle chain.

Rear hub

The rear hub.

GT Tequesta bicycle

The front Specialized hub, showing the wheel's radial spoke pattern.

Ritchey rim

Both wheels have Ritchey Rock 415 E alloy rims.

Ritchey rim

The other Ritchey rim decal

Velociraptor tire

The front tire: WTB 2.1 VelociRaptor

Rear caliper

The rear caliper has a stiffener plate.

GT Tequesta bike

Chainstay close-up, showing the "Designed in the USA" decal.

Specialized saddle

The bike's GT seat post and Specialized saddle.

22" GT steel mountain frameset. Used, $150.00

22inch (56cm) seat tube x 59cm top tube

  • 142mm head tube
  • Two sets of water bottle braze-ons
  • Rear rack braze-ons + front and rear fender eyelets
  • Forged, vertical dropouts

GT mountains frameset

This will make a great steel mountain bike, city bike or fixie.