22 June. Monday 2026
BamX BX70-DB Trailstar - 2009 Specifications and Reviews
The 2009 BamX BX70-DB Trailstar is a lightweight 72cc trial bike designed for beginners and young riders learning fundamental off-road skills. Its simple air-cooled single-cylinder engine with automatic transmission makes it approachable for novice riders, while the compact frame and minimal weight suit tight technical terrain and obstacle navigation.
General information | |
| Category | Trial |
| Year | 2009 |
| Model | BamX BX70-DB Trailstar |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | Automatic |
| Cooling system | Air |
| Lubrication system | Pressure/Splash |
| Ignition | CDI |
| Fuel system | Carburettor |
| Bore x stroke | 47.0 x 41.4 mm (1.9 x 1.6 inches) |
| Compression | 8.8:1 |
| Torque | 4.20 |
| Power | 3.60 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 72.00 ccm (4.39 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 991 mm (39.0 inches) |
| Ground clearance | 254 mm (10.0 inches) |
| Seat height | 711 mm (28.0 inches) If adjustable, lowest setting. |
| Dry weight | 49.9 kg (110.0 pounds) |
BamX BX70-DB Trailstar dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tyre dimensions | 2.75-14 |
| Front tyre dimensions | 2.50-12 |
| Rear suspension | Swing Arm Mono Shock |
| Front suspension | Dual Front Shocks |
Speed and acceleration | |
| Power/weight ratio | 0.0722 HP/kg |
Other specs | |
| Color options | Red/blue |
| Oil capacity | 0.90 litres (0.06 quarts) |
| Fuel capacity | 4.00 litres (1.06 gallons) |
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