Co-Motion Big Al 2000 Technical specs and features
| Brand | Co-Motion |
| Model | Big Al |
| First production | 2000 |
| Bike category | Tandem |
| Bike sub-category | Tandem Road |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Co-Motion Big Al Parts |
| Available Sizes | - Captain 21/stoker 18 (inches) - captain 22/stoker 19 (inches) - captain 23/stoker 20 (inches) |
Wheels And Breaking System
| Bike front tire | 700 X 28c Avocet Fast Grip |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Dia-Compe 287-V Levers Avid 1D-25 Brakes |
| Hubs for disc brakes | Rear: Phil Wood Tandem Front: Phil Wood |
| Rims manufacturer | Velocity Diad |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge DT Stainless Steel |
Frame and Body Specifications
| Frame materials | Butted With Replaceable Derailleur Hanger 7005 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Profile Ha (millimeters)er |
| Handlebar extender | Not Available |
| Handlebar stem details | Salsa Moto Ace |
| Headset size | 1 1/8 (inches) Threadless RaceFace Thermo SP |
Gearing Specs
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG92 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 110 (millimeters) Spindle Shimano BB-UN52 |
| Crankset parts and sizes | 54/44/32 Teeth Race Face Tandem |
| Gear shift levers | Shimano Dura-Ace Bar-end |
| Rear gear set | 11 - 32 Teeth 9-speed |
Co-Motion Big Al Fork System Data
| Derailleur (Front) | Bottom-pull Clamp-on 1 3/8 (inches) Shimano Ultegra |
| Derailleur (Rear) | Shimano Deore XT SGS |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Co-Motion Tandem |
Other Specs of Co-Motion Big Al
| Component group sets | Tandem Mix |
| Available colors | - Black - Blue - Green metallic - Orange pearl - Purple |
| Weight | 34.3 |
| Pedals details | Optional |
| Rear shock absorber | Not Available |
| Saddle seat | Co-Motion Dual Density |
| Seat post extension | 29.8 (millimeters) Diameter Zoom Micro-adjust |
Co-Motion Big Al picture
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Co-Motion Big Al bike review
Co-Motion produced the Big Al bike in 2000 and can be classified as a Tandem bicycle, this exact model costs in american market arround $4,420.00.
Big Al bike is available in many sizes such as Captain 21/stoker 18 (inches), captain 22/stoker 19 (inches) and captain 23/stoker 20 (inches).
Co-Motion Tandem Big Al can be found in a few colors, among these colors Black, Blue, Green metallic, Orange pearl and Purple .
This bike is equiped with 700 x 28c Avocet Fast Grip tires and DT stainless steel spoke wheel while the rims are manufactured by Velocity Diad. Co-Motion equiped this exact model with Avid 1D-25 brakes, Dia-Compe 287-V levers braking system and Front: Phil Wood, Rear: Phil Wood Tandem hubs.
To guarantee the comfiest ride Co-Motion used 7005 aluminum, butted with replaceable derailleur hanger material for the frame. Profile Hammer high strength material is used on the handlebar of this Big Al to ensure the perfect handling while the stems are made of Salsa Moto Ace.
For the smoothest biking experience Race Face Tandem, 54/44/32 teeth is used on this bicycle linked to Shimano CN-HG92 chain that is easily replaceable as stated by Co-Motion, the whole system is connected to a high reliability Shimano Dura-Ace bar-end gear shift levers.