Pro (1st generation)

1979

Overview

Frame and Fork but buillt to your own spec

Finishes: Black, Reptile Red, Snakebelly Blue or Chrome

Lifecycle: Manufactured 1979 (January to April)

Serial number location: Inside or rear dropout (non-drive side)

First digit =V

Second digit = M

Third to Fifth digit = 00000 to 99999

Decals: Prismatic Foil snake (Downtube, Headstock and Forks) and a striped decal applied to the seatpost tube

Rear dropout: approx 1/16" (1.6mm)

Top tube length: approx 18.5"

Build Components

The spec below is based on what was standard but may also include changes throughout its lifecycle

  • Frame: All Nickel plated Chromoly (including the dropouts)
  • Forks: All Nickel plated Chromoly (including the 1/16" / 1.5mm dropouts)
  • Handlebars: option
  • Stem: option
  • Grips: option
  • Headset: MX (Tange)
  • Rims: option
  • Spokes: n/a
  • Hubs: n/a
  • Tyres: option
  • Brakes: option
  • Levers: option
  • Cable: option
  • Pedals: option
  • Crank: option
  • Bottom Bracket type (US): option
  • Chainring: option
  • Spider: option
  • Freewheel: option
  • Chain: option
  • Seat: option
  • Seat Post: option
  • Seat Post Clamp: option

Pro (2nd generation)

1979

Overview

Frame and forks or full bike

Finishes: Chrome with Blue or Red components / Flamboyant Red or Blue with Gold components

Lifecycle: Manufactured/fabricated 1979 (April) to 1981 (June)

Serial number location: inside of rear dropout starting 9,0 or 1 and ending with baseball symbol

Decals:Initially started off with a mixture of Prismatic and cleared backed....striped applied to both sides of seatstay (prismatic), clear backing seat-tube and forks, downtube and headstock (prismatic). Not long after forks (prismatic). Certainly mid 1980 the seat-stay decals had beed dropped, 'CHROMOLY' added to chainstays and all other decals were prismatic

Rear dropout: 1/8' (3mm) - Mild Steel

Top tube length: approx 18.7/8' (480mm) Options - Bike or Kit - Available with either one-piece Chromoly Crank and Bars or 3pc Alloy Crank and Bars.

Build Components

The spec below is based on what was standard but may also include changes throughout its lifecycle

  • Frame: 4130 Chromoly (Koizumi), Weight: 2.295 kg
  • Forks: 4130 Chromoly, Dual Position leading axle and centerline (Koizumi), Weight: 0.800 kg
  • Handlebars: Diamond Back Chromoly, Medium (Koizumi). Alloy Win Red/Blue (Kusuki)
  • Stem: Diamond Back (Sugino)
  • Grips: Vinyl (OGK MACH)
  • Headset: MX (Tange)
  • Rims: 7C, 20x1.75 shineside (Chrome model), 7X, 20x1.75 in gold for Red/Blue model (Araya) 
  • Spokes: .080/36 Chrome Plated
  • Hubs: Alloy Large flange (Suzue)
  • Tyres: Diamond Back Skinwall Knobbies 20x2.125 rear, 1.75 front (IRC)
  • Calipers: 890 rear (Dia-Compe)
  • Levers: Pre-Bent (Dia-Compe)
  • Cable: Dia-Compe
  • Pedals: BM-7 (MKS)
  • Crank: 175 Chromoly one-piece (Sugino)
  • Bottom Bracket type: US (Tange)
  • Chainring: 44T (Sugino)
  • Spider: (Sugino)
  • Freewheel: 16T easy-off (Suntour)
  • Chain: (HKK)
  • Seat: Diamond Back (Kashimax)
  • Seat Post: Fluted
  • Seat Post Clamp: Alloy (Suntour)