Cyclone has filed design protection for the RX625, a 581cc parallel-twin adventure bike built around a rally-raid chassis. Cycle World spotted the registration images, the first solid look at where Zonsen wants to take its premium ADV line.
The big change sits in the frame and the wheels. The RX625 drops the RX600’s road-biased 19-inch front and 17-inch rear setup. In comes a 21-inch front and an 18-inch rear, the combo serious off-road riders ask for.
Under the bodywork is the part that matters most. Cyclone retires the RX600’s 550cc twin and adopts the 581cc parallel-twin already running in the Kove 625X and Voge DS625X. That points to Chinese makers settling on one shared 600-class ADV engine instead of building separate units.
On that shared platform the motor is credited with around 63 hp. Cyclone has not published official numbers yet, so treat the figure as a platform estimate, not a confirmed spec. Voge quotes the same engine at 63 hp and 57 Nm.
Pricing and timing stay projections for now. Early reports point to a target under EUR 7,000, roughly PHP 440,000 at current rates as a straight conversion, not a local price. A pre-series prototype is expected later in 2026, with sales around late 2026 or early 2027.
Local relevance is real. Voge sells mid-size adventure bikes in the Philippines through Eastworld Motor Industries, and the DS625X shares this engine family. A Cyclone version reaching local shores is not confirmed, but the platform sits closer to home than it looks.
The name carries history. Cyclone started as an American board-track racer in the 1910s. Zonsen, the Chinese group once known as Zongshen, owns it now and runs it as its premium badge.
Cyclone RX625 reference specs, drawn from the shared 581cc platform and design filings (projected, not yet official):
581cc parallel-twin
liquid-cooled
DOHC, 8 valves
270-degree crankshaft
around 63 hp at 9,000 rpm
57 Nm at 6,500 rpm
76mm bore
21-inch front wheel
18-inch rear wheel
under EUR 7,000 target price (projected)
late 2026 to early 2027 launch (projected)
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