Kuwahara Triathlon (1991)
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Example Model: Triathlon
Brand: Kuwahara
Frame Model: Kuwahara Triathlon
Category: Road Race
Years: 1991
Built In: Japan
Weight: 
Production: Mass Production
Sold As: Complete Bicycle
Material: Steel
Construction: Lugged
Drivetrain: Derailleurs
Wheel Size: 700c
Added By: TT Rider on 03/20/12
Updated By: TT Rider on 03/22/12
ConstructionLuggedBottom BracketEnglish/ISO: 1.370 x 24
Wheel Size700cBrake MountingRecessed
Rear DropoutsSemi-HorizontalSeat StaysPointed
Main Tubing4130 Chrome-moly SteelFork Tubing4130 Chrome-moly Steel
Brake BridgeSimple unreinforced tubeFork StyleCurved Blades
Derailleur Cable RoutingUnder Bottom BracketBrake Guides3x Double Loop style on top tube
Fork Crown StyleSemi-sloping  
General Information
Shortly after purchasing this bike new in 1991, it was converted from 6 speed Shimano 105 to 7 speed, and in that guise has done over 40,000 km of commuting, training, racing and time trialling.  In recent times ( early 2012 ), it has been completely rebuilt with a NOS 600 Ultegra group, including hubs. Rims are Australian Velocity Fusion - - 32H / 28H.  Variations of the 600 Ultegra group include 7400 Dura-Ace 52-39 chain rings. Gearing is now 8 speed on the 600 Ultegra 7 speed hub. This was achieved by using 8 sprockets and spacers from a 9 speed Ultegra cassette ( same stack height as original 7 speed ). To get the correct indexing, 9 speed Dura-Ace down tube shifters and 9 speed chain have been fitted. This combination has worked perfectly. Seat post is semi aero ITM  The frame is now over twenty years old, ridden regularly and one owner !
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Head Badge
Head Badge:Kuwahara Head Badge from Triathlon
Badge Type:Painted or Decal
Frame Types:
Frame Types:
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