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Trek Bicycles

On this page:
Road: 50cm 420 frameset | 54cm 2120 carbon bike | 58cm 520 Touring bicycle | 59cm 531 frameset
18" Y-5 | 18.5" 7000

Trek is an American bicycle company started in 1975. From its humble beginning with five employees and total production of 900 frames that first year, Trek has grown to a world-wide giant with sales that approach a billion dollars.

50 cm Trek 420 steel frameset. Used $400
50cm seat tube x 54cm top tube

  • 105mm head tube
  • We date this frameset to 1985-1986
  • Made with True-Temper tubing
  • The rear derailleur cable was routed through the chainstay. This could be done because of the special investment-cast dropouts.

Trek 420 frameset

The investment-cast seat lug has "Trek" cast into the sides of the lug. The fork crown is also an investment casting.

54cm Trek 2120 carbon bike. Used $800.00
54cm seat tube x 54cm top tube

The main triangle is carbon fiber which is bonded to an aluminum alloy rear triangle. The forks are also aluminum, all making for a reasonably-priced road bike.

Our bike is built with a Shimano RSX 21-speed kit with and LX front derailleur. The wheels are Mavic CXP rims laced to RSX hubs.

Trek 2120 carbon bike

Three main tubes carbon fiber

Trek 2120

Close-up on the main triangle, showing bosses for two water bottles.

Trek rear triangle

Rear view

Front view

From the front

Trek 2120

This bike was built in in the U.S. the late 1990s or early 2000s

58cm Trek 520 Touring complete bicycle. $1,000.00, used
58 cm seat tube x 58cm top tube.

Before moving on to the bike's component specs, here's what had to say about the Trek 520 Touring:

"The Trek 520 caters to the touring bike scene with its chromoly steel frame that offers the perfect mix of flexibility, comfort and durability needed for long-distance bicycle touring. The stretched out geometry is just right for staying comfortable on the bike and at the same time allows you to get in a good aerodynamic stance for optimal speed. The 520 is perfect for long-distance bicycle tours or for the daily commute. Its classic touring geometry has stood the test of time and is considered a cult classic by many."

Our frameset is built with True Temper OX. The component kit is based on the Shimano Deore 21-speed group. It has RX100 aero brake levers and fingertip shifters. There are braze-ons for three bottle cages. It comes with alloy pedals with toe clips and straps. If you want clipless pedals, let us know. We have 'em.

The wheels are Matrix Journey heat-treated 36-hole rims mounted with Panaracer Pasela Tour Guard Kevlar 700 x 32 tires.

The saddle is a Terry Liberator.

58 cm Trek 520

Side view showing the wide-range gearing

58 cm Trek 520

Non-drive side. The fingertip shifters can be seen in this picture.

Trek 520 Touring bike

Back view. Cantilever brakes make great stoppers for a loaded bike.

Main triangle showing the clean TIG welds.

Trek 520 Touring

Front view of a bike that's perfect for heading off down the road.

59 cm Trek 531 frameset. Used, $400.00

59cm seat tube x 58cm top tube

  • Reynolds 531 tubing, lugged construction
  • 185mm head tube
  • Serial #106318
  • Forged, horizontal dropouts

Trek 531 frameset

The Reynolds 531 sticker is at the bottom of the seat tube

18" Trek Y-5 Mountain Bike. Used, $700.00

  • Manitou suspension fork
  • Fox Coil rear shock
  • Shimano LX derailleurs, V-Brakes, Servo-Wave brake levers
  • Shimano STX-RC Rapidfire Plus shifters.
  • Shimano STX-RC 32h rear hub laced to 26” Matrix doublewall, asymmetric rim
  • Shimano STC-RC crankset
  • Trek OS front hub laced to 26” Matrix doublewall rim
  • Folding front & rear tires
  • Ibis bar ebds

Trek Y-5 mountain bike

Side view

Trek Y-5

From the front

Trek Y-5

Close-up of the controls

Trek 7000 18.5" Mountain Bike. Used, $500.00

  • Aluminum frame, Manitou suspension fork
  • Bontrager hubs laced to Matrix rims
  • Shimano STX-RC Rapidfire Plus 3x8s shifters
  • Shimano LX front derailleur, Shimano XT rear derailleur
  • Shimano STX-RC Servowave brake levers
  • Avid 1.0 V-brakes
  • Onyx crankset

Trek 7000 Mountain bike

Side view

Trek 7000 ATB bike

From the front

Trek 7000 ATB bike

Close-up of the front end.