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    1991 Trek 8700

This is an example of Treks earlier composite frames. The tubes use a Spectra polyethylene sleeve with fiberglass ends to protect against galvanic corrosion.  The sleeves are wrapped with 7 layer uni-directional graphite construction of 100% carbon fiber.  These layers are then over-wrapped with a bias woven layer for extra strength and protection.  The tubes are then bonded to squeeze cast aluminum lugs.  The drivetrain consists of mainly Suntour XC Pro stuff with Bullseye hubs, Dia Compe brake set and Sugino crank.

   Click on thumbnails below for larger images:        

Trek   Trek   Trek Trek
 
Frame Double Butted graphite-epoxy composite main tube, aluminum stays and lugs
Fork Tange Super Big Fork triple butted Cro-Moly
Rear Shock NA
Rims Matrix Mt. Titan hand anodized
Hubs Bullseye sealed cartridge bearing, threaded for freewheel 32 hole
Spokes Double Butted Stainless Steel 3 cross with black alloy nipples
Tires Matrix Z Axis Comp Kevlar
Pedals SR Low Fat Pro w/ alloy cages and clips
Crank Sugino XP  Forged 175mm
Chain Sedis
Rear Cogs Suntour Inner Pro freewheel, 7 speed 12/28
Bottom Bracket Sugino
Front Derailleur Suntour XC Pro, modified to be top pull
Rear Derailleur Suntour XC Pro
Shifters Suntour XC Pro, 7 speed index thumb shifters
Handlebars Easton Taper Lite (Matrix)
Stem Tioga T-Bone OS (1 1/8")
Headset Tioga Avenger OS 3
Brake set Dia Compe 986 cantilevers
Brake levers Dia Compe SS-5
Saddle Avocet Racing
Seat Post Post Moderne 4130 Cro-Moly
Colors Natural carbon main tubes with conch front and rear (with black splatter)
Size 18"
Serial #   762480

 

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