Centurion Semi Pro
Model: Semi Pro
Brand: Centurion
Category: Road Race
Years: Early 1980's - ?
Country: United States
Production: Factory Production
Sold As: Complete Bicycle
Material: Steel
Construction: Lugged
Drivetrain: Derailleurs
Wheel Size: 700c
Added By: JFischer on 09/08/09
Updated By: velogarden on 09/02/18
Frame Example Photos
This Frame Model has 4 Frame Examples with additional photos. Choose from the options below to view them.
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Model General Information
Centurion's top of the line racing machine in the early 1980's.  In 1983 it came equipped with SunTour Cyclone equipment and in a color choice of yellow or blue.

Primary Example:Centurion Semi Pro
Years:1976 - 1982Sold As:Complete Bicycle
Bottom Bracket:English/ISO: 1.370 x 24Brake Mounting:Exterior Nutted
Brake Bridge:Derailleur Cable Routing:Clamp-on
Lug Style:Brake Guides:Clamp on
Fork Style:Seat Stays:
Fork Crown Style:Main Tubing:
Rear Dropouts:Color(s):
Frame Example List
 Example NameYearsProductionSold AsIncludes
Centurion Semi Pro (1978)1978Mass ProductionComplete Bicycle
Centurion Semi Pro1976 - 1982Mass ProductionComplete BicycleFrame Details
Centurion Semi ProN/AMass ProductionComplete Bicycle
Centurion Semi ProN/AMass ProductionComplete Bicycle
Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Frame Serial Numbers(click to expand)
Serial NumberFrame DetailYearAdded By
M7M13647Centurion Semi Pro?velogarden
M7M13647Centurion Semi Pro?velogarden
M8D0_409Centurion Semi Pro (1978)1978fightfooter
Brand Information(click to expand)
In 69/70 Centurion was started as a brand of WSI, they were Importing bikes from Japan and labeling them as Centurions, a few years later they would introduce the Professional model which was made by Acer-Mex (same company that made Windsor Bicycles). which continued on til the late 70's when production of the Professional was moved over seas. in the mid 70 Centurion offered BMX bikes and quickly changed the BMX line to its own brand as Diamond Back in 1978 and in the early 80's sold  Mountain Bikes.  Most all of the models were made in Japan and some lower end models were made in Taiwan.

though one model was actually made by Cinelli for the US market in 1985, named the Cinelli Equipe

The Centurion name was dropped some time in 1990, and were rebranded as Diamond Back . for the first couple years these road bikes, declared on the frame graphics that it was "Designed by Centurion" 
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