Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 91111
| Model year | 2001 |
|---|---|
| Brand | Co-Motion |
| Model | Big AL STI |
| Bicycle type | Tandem (road) |
| Archive ID | 91111 |
| Original MSRP | $4,830.00 |
| Sizes | Captain 21"/stoker 18", captain 22"/stoker 19", captain 23"/stoker 20" |
| Weight | 34.35 lb |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Easton 7005 tandem specific double butted aluminum |
| Fork | Co-Motion Tandem |
| Fork material | Co-Motion custom chromoly, unicrown crown |
| Rear shock | N/A |
| Component group | Tandem Mix |
|---|---|
| Shifters | Shimano Ultegra STI Dual Control |
| Front derailleur | Shimano Ultegra, bottom-pull/clamp-on 31.8mm |
| Rear derailleur | Shimano Deore XT SGS |
| Crankset | Shimano Ultegra Tandem, 30/42/52 teeth |
| Bottom bracket | Shimano BB-6500, 118.5mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 9-speed, 11 - 32 teeth |
| Chain | Shimano CN-HG92, 1/2 x 3/32" |
| Pedals | Not included |
| Brakes | Avid 1D-25 brakes, Shimano Ultegra STI Dual Control levers |
|---|
| Headset | 1 1/8" threadless Race Face Thermo SP |
|---|---|
| Handlebar | Profile Hammer |
| Handlebar extensions | N/A |
| Stem | Salsa Moto Ace |
| Saddle | Co-Motion Dual Density |
| Seatpost | Zoom micro-adjust, 29.8mm diameter |
| Hubs | Hugi Tandem |
|---|---|
| Rims | Velocity Diad |
| Spokes | DT stainless steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | 700 x 28c Avocet Fast Grip |
| Wheel size | 700c wheels |
| Top tube | 571.5 mm |
|---|---|
| Head-tube angle | 73° |
| Seat-tube angle | 73° |
| Fork offset / rake | 50 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.