137kg Dakar-inspired machine targets lightweight adventure segment with serious off-road intent
Rieju is sharpening its focus on the lightweight adventure market with the soon-to-land Aventura Rally 307 – an enduro-based, rally-styled machine aimed squarely at riders who want genuine off-road ability.
Styled with clear rally-raid intent, the Aventura Rally 307 pairs a slim, purposeful silhouette with the kind of spec sheet that suggests it’s built to be ridden hard and ridden far. At the heart of the package is a modern 293cc liquid-cooled single-cylinder four-stroke, producing 33.5bhp and 27Nm, and matched to a six-speed gearbox with an anti-rebound (slipper-style) clutch for added control when the terrain gets steep or slippery.
Underneath the rally bodywork, Rieju has gone with a high-strength steel spine/centre-spar chassis designed to balance durability with rideability. Suspension is equally adventure-ready: a 43mm upside-down fork up front with adjustment for compression and rebound, and a progressive rear shock adjustable for preload, compression and rebound. Travel is a proper 235mm at both ends, which should translate to real comfort and composure when the road turns into ruts, rocks and erosion mounds.
Wheel sizing sticks with the proven dirt-friendly combo of a 21-inch front and 18-inch rear (80/100-21 and 120/80-18), giving it the footprint and tyre choice riders expect from a bike that’s meant to leave the bitumen behind. Braking is handled by a 300mm front wave disc with a double-piston caliper and a 240mm rear wave disc.
One of the biggest talking points is range. The Aventura Rally 307 carries a substantial 21-litre fuel tank, making it a serious prospect for long-distance exploring where servos are few and far between.
Tech-wise, there’s a large 7-inch vertical TFT display with Mirror Link smartphone connectivity, bringing navigation and key ride info into a modern rally-style cockpit layout. It’s a feature that’s becoming increasingly relevant for adventure riders who rely on phone-based mapping but still want a clean, glanceable dash.
Despite its rally posture and long-range focus, the numbers suggest it’s still manageable in the garage and on the trail: dry weight is listed at 137kg, with an 890mm seat height and a 1420mm wheelbase. In other words, it reads like a proper off-road-capable adventure tool—rather than a touring bike wearing knobbies.
Rieju is encouraging interested riders to register for updates ahead of local availability and launch pricing.
SPECIFICATIONS
Engine: Single-cylinder 4-stroke 293cc IE
Cubic capacity: 293 cc
Bore and stroke: 78 x 61.2 mm
Start: Electric
Injection: Electronic
Gearbox: 6-speed, foot-operated shift
Cooling: Liquid-cooled
Frame: High-strength steel spine frame
Front suspension: Upside-down fork Ø43mm, adjustable in compression and rebound; 235mm travel
Rear suspension: Progressive shock absorber, adjustable in preload, compression and rebound; 235mm travel
Front wheel: 80/100-21″
Rear wheel: 120/80-18″
Front brake: Double-piston caliper, wave disc Ø300mm
Rear brake: Wave disc Ø240mm
Tank capacity: 21 L
Dry weight: 137 kg
Dimensions: 2120 x 850 x 1470 mm (L x W x H)
Wheelbase: 1,420 mm
Seat height: 890 mm
