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930 Regent St. Madison's largest selection of used bicycles

930 Regent St. Madison's largest selection of used bicycles

1977 Sekai GT Deluxe 2700 51cm Road Bicycle

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Classic '70s Japanese ten speed!

1977 Sekai GT Deluxe 2700 51cm Road Bicycle

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You could be the proud owner of this vintage Sekai bicycle. Hand built in Japan in 1977 this bike features a beautiful lugged frameset and ten speed SunTour Cyclone drivetrain. Perfect for the steel loving rider or collector, this bicycle is looking for a new home and it could be yours.

The Sekai company was a small family owned importer of Japanese goods. It grew out of a store called Velocipede which still exists and is owned by the same family. The Sekai name was co-owned by Shinwa trading company, who did all the exporting from Japan for Sekai. At one time, they owned four stores plus Sekai, and they did a mail order business through the Velocipede catalog.


The bike is in very good overall condition and free of bends, cracks and corrosion. The blue paint still has a good luster to it with very few small marks and scratches throughout the bike. The bike appears to be all original.

This bike has been fully tuned by a shop mechanic with many years of experience. Then the bike was given a thorough eighty three point inspection by the owner. Finally the owner rides the bicycle checking steering, braking and shifting. After you receive this bicycle minimal adjustments and assembly will be needed to be ready to ride.

This bicycle is being sold as is, please see photographs for details.


Seat Tube: 51cm
Top Tube: 54cm
Standover Height: 30.5"
Bike Weight: 25.8 lbs


Seatpost: Alloy Unbranded
Saddle: Sekai Deluxe
Stem: 60mm SR Alloy Quill
Handlebars: 40cm Sakae World Champion
Headset: 1" Threaded
Brake Levers: Gran Compe Non Aero (hoods show some wear/age)
Brake Calipers: Gran Compe
Shifters: SunTour
Front Derailleur: SunTour Cyclone
Rear Derailleur: SunTour Cyclone
Crankset: Sugino Road Double w/ 165mm Arms + 52/40t Rings
Pedals: MKS DR 02
Wheels: Shimano Alloy QR Hubs Laced to 27" Araya Alloy Rims
Freewheel: 5 Speed SunTour

Serial #77G90035
Reference #155644

Additional Information

Year 1977
Gender Mens
Color Blue
Speeds 10 Speed
  • Lugged Frameset
  • SunTour Cyclone Drivetrain
  • All Original
Frameset Info not available
Components SunTour Cyclone
Drivetrain SunTour Cyclone
Decade 1970s
Country of Origin Japan
Used or New Used
Can be seen at 640 W Washington
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