This upper, entry level model featured a Tange Infinity main triangle with stays and forks that varied from hi-tensile steel to CrMo, depending on the year. deraileurs were Shimano Light Action for 1985-1988, with Exage used in 1989. First introduced in 1985 as the Accordo RS it would remain in the Centurion line up until 1989 when the Centurion name was dropped and they started carrying the Diamond name.
| Frame | Tange 900 Chromoly Double Butted Main tube |
| Size | Men's 19 1/2,21, 23,25 Mixte 17,19,21 |
| Fork | Tange Hi-Tension |
| Rear Deraileur | Suntour AR GT |
| Front Deraileur | Suntour AR GT |
| Shifters | Suntour AR-GT Friction Stem mounted |
| Crankset | Sugino RT Forged Aluminum Sealed BB Assy |
| Chainrings | 40/52t Steel |
| Pedals | MKS Steel Balance Rat Trap |
| Chain | DID Black |
| Freewheel | Suntour 14-28t 6 Speed |
| Brakes | Dia Compe N500 Side Pull with Quick Release and Safety Levers |
| Brake Levers | Dia Compe Levers with "Safety Levers" |
| Seatpost | Stainless Steel |
| Saddle | Vetta Anatomic Simulated Leather |
| Stem | SR NSR Aluminum |
| Handlebars | SR Custom Steel |
| Headset | Centurion Steel Sealed System |
| Hubs | Suzue Small Flange QR, Aluminum Sealed System |
| Rims | Araya 16A/5 22mm 495Gm, 27x1 1/2 Silver Anodized Aluminum 36H |
| Spokes | High Carbon Steel 14 gauge |
| Tires | Gumwall 90PSI 27x1 1/4 |
| Color 1 | Super Metallic Red |
| Color 2 | Super Metallic BlueGray |
| Color 3 | Super Metallic Beige |
| Scheme | |
| Headbadge | |
| Downtube Decal | |
| Toptube Decal | |
| Seattube Decal | |
| Seat Stay Decal | |
| Chain Stay Decal |
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| Frame | Tange Infinity Double Butted cromo 3 main tubes |
| Size | 19 3/4, 21,23,25" |
| Fork | Tange High Tension Steel Centurion Design Crown, Forged Tips |
| Rear Deraileur | Shimano L-523 Light Action |
| Front Deraileur | Shimano Z-204 Light Action |
| Shifters | Shimano Stem mounted |
| Crankset | Sugino VP Sealed Bottom Bracket |
| Pedals | Steel RatTraps |
| Chainrings | 52/40T |
| Chain | Shimano UG Beveled Plates Silver/Black |
| Freewheel | Shimano Z 13-28T 6 Speed Silver |
| Brakes | Shimano Z QR Sidepull |
| Brake Levers | DiaCompe AC-265 Aero Levers with Extension Levers |
| Seatpost | Sugino SP-KCL 27.0mm with Graduated Scale |
| Saddle | Vetta Anatomic |
| Stem | Kusuki Win Sigma , Aluminum Alloy |
| Handlebars | Kusuki KD Alloy Center reinforced Pelten Padded Tape |
| Headset | Centurion Steel |
| Hubs | Centurion Suzue Small Flange Sealed Alloy QR Front and Rear |
| Rims | Araya SP-30 27x1 Aluminum Alloy |
| Tires | Panaracer 27x 1 1/8 Rated 100psi Skinwall |
| Spokes | Asahi Stailess Steel 14ga |
| Color 1 | Anthracite with Silver Dualtone |
| Color 2 | Blue with Silver Dualtone |
| Scheme | |
| Headbadge | |
| Downtube Decal | |
| Toptube Decal | |
| Seattube Decal | |
| Seat Stay Decal | |
| Chain Stay Decal |
| Frame | Tange Infinity Double Butted cromo 3 main tubes |
| Size | 19 3/4, 21,23,25" |
| Fork | Tange High Tension Steel Centurion Design Crown, Forged Tips |
| Rear Deraileur | Shimano L-523 SIS Light Action |
| Front Deraileur | Shimano Z-204 Light Action |
| Shifters | Shimano SIS Light Action Downtube Mounted |
| Crankset | Sugino VP Sealed Bottom Bracket |
| Pedals | Steel RatTraps |
| Chainrings | 52/40T |
| Chain | Shimano UG Beveled Plates Silver/Black |
| Freewheel | Shimano Z 14-28T 6 Speed Silver |
| Brakes | Shimano L-490 SLR |
| Brake Levers | Shimano Aero Levers |
| Seatpost | Delta CP-S 27.0mm with Graduated Scale |
| Saddle | Vetta Anatomic with Lycra Cover |
| Stem | Delta , Aluminum Alloy |
| Handlebars | Centurion reinforced w/ Padded Tape |
| Headset | Centurion Steel |
| Hubs | Centurion Suzue Small Flange Sealed Alloy QR Front and Rear |
| Rims | Weinmann 913 700x20c Aluminum Alloy |
| Tires | Cheng Shin 700x25c Skinwalls |
| Spokes | Asahi Stailess Steel 14ga |
| Color 1 | Guards Red with White Dualtone |
| Color 2 | Yellow with White Dualtone |
| Scheme | |
| Headbadge | |
| Downtube Decal | |
| Toptube Decal | |
| Seattube Decal | |
| Seat Stay Decal | |
| Chain Stay Decal |
| Frame | Tange Infinity |
| Fork | Hi Ten |
| Rear Deraileur | Shimano Light Action |
| Front Deraileur | Shimano Light Action |
| Shifters | Shimano Light Action |
| Crankset | Shimano Light Action |
| Chainrings | 52/42 Biopace |
| Chain | |
| Freewheel | 6 Speed |
| Brakes | Shimano Light Action |
| Brake Levers | Shimano Light Action |
| Seatpost | SR-Lapadre |
| Saddle | Centurion Anatomical (Vetta) |
| Stem | Custom |
| Handlebars | Centurion |
| Color 1 | Teal/White |
| Scheme | Front/Rear fade to middle |
| Headbadge | |
| Downtube Decal | |
| Toptube Decal | Accordo with Geometric Shapes |
| Seattube Decal | Made in Taiwan Decal, Tange Infinity Decal |
| Seat Stay Decal | Geometric Shapes |
| Chain Stay Decal |
| Frame | Tange Infinity |
| Fork | Hi Ten |
| Rear Deraileur | Shimano Exage |
| Front Deraileur | Shimano Exage |
| Shifters | Shimano Sport LX |
| Crankset | Shimano Exage |
| Chainrings | 52/42 Biopace |
| Chain | |
| Freewheel | 6 Speed |
| Brakes | Shimano Exage |
| Brake Levers | Shimano Light Exage |
| Seatpost | SR-Lapadre |
| Saddle | Centurion Anatomical (Vetta) |
| Stem | Custom |
| Handlebars | Centurion |
| Color 1 | Black |
| Scheme | None |
| Headbadge | |
| Downtube Decal | |
| Toptube Decal | Accordo |
| Seattube Decal | Made in Taiwan Decal, Tange Infinity Decal |
| Seat Stay Decal | Centurion |
| Chain Stay Decal | Centurion |
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1988 Accordo Specs