Bicycle Archive · Specification report1997 Co-Motion Speedster · 1999 Co-Motion Speedster
| Specification | 1997 Co-Motion Speedster | 1999 Co-Motion Speedster |
|---|---|---|
| Overview | ||
| Model year | 1997 | 1999 |
| Brand | Co-Motion | Co-Motion |
| Model | Speedster | Speedster |
| Bicycle type | Tandem (road) | Tandem (road) |
| Archive ID | 62443 | 85016 |
| Original MSRP | $2,895.00 | $2,995.00 |
| Colors | Blue, bronze, chrome yellow, cream, custom fade, green metallic, red | — |
| Sizes | Captain 21"/stoker 18", captain 22"/stoker 19", captain 23"/stoker 20" | Captain 21"/stoker 18", captain 22"/stoker 19", captain 23"/stoker 20" |
| Weight | 38 lb | 35.85 lb |
| Frameset | ||
| Frame construction | TIG-welded | TIG-welded |
| Frame material | Co-Motion Reynolds 531 | Reynolds 525 w/Reynolds 725 |
| Fork | Co-Motion | Co-Motion |
| Fork material | Reynolds 531, unicrown crown | 4130 chromoly, unicrown crown |
| Rear shock | N/A | N/A |
| Drivetrain | ||
| Component group | Co-Motion Tandem Group | Tandem Mix |
| Shifters | Shimano 600 Ultegra bar-end | Shimano bar-end |
| Front derailleur | Sachs New Success, bottom-pull/clamp-on 31.8 mm | Shimano Ultegra, bottom-pull/clamp-on 31.8mm |
| Rear derailleur | Sachs New Success | Shimano Deore XT SGS |
| Crankset | Ritchey Tandem, 32/44/54 teeth | Ritchey Tandem, 32/44/54 teeth |
| Bottom bracket | Shimano BB-UN51, 122.5 mm spindle | Shimano BB-UN52 |
| BB shell width | 68mm English | 68mm English |
| Rear cogs | 8-speed, 11 - 28 teeth | 9-speed, 11 - 32 teeth |
| Chain | Sachs SC-M55, 1/2 x 3/32" | Shimano CN-HG92, 1/2 x 3/32" |
| Pedals | Not included | Not included |
| Brakes | ||
| Brakes | Shimano Deore LX V-Brake brakes, Dia-Compe 287 levers | Avid 1D-25 brakes, Dia-Compe 287 levers |
| Cockpit & contact points | ||
| Headset | 1 1/8" YST aluminum | 1 1/8" threadless Race Face Thermo SP |
| Handlebar | Profile Hammer | Profile Hammer |
| Handlebar extensions | N/A | N/A |
| Stem | Co-Motion chromoly | Salsa Moto Ace |
| Saddle | Terry men's/Terry women's | — |
| Seatpost | Kalloy Uno, 29.8 mm diameter | Zoom Microset, 29.8mm diameter |
| Wheels & tires | ||
| Hubs | Phil Wood tandem | Phil Wood tandem |
| Rims | Mavic T 217 SUP, 40-hole | Mavic T 217 SUP |
| Spokes | DT stainless steel, 2.0mm straight gauge | DT stainless steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples | Brass nipples |
| Front tire | 700 x 28c Continental Super Sport | 700 x 28c Avocet Fast Grip |
| Wheel size | 700c wheels | 700c wheels |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 1997 Co-Motion Speedster | 1999 Co-Motion Speedster |
|---|---|---|
| Selected size / position | — | Legacy reference |
| Head-tube angle | — | 73° |
| Seat-tube angle | — | 73° |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 9, 2026.