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From China comes a new and compact fairing with a 421 cc and 77 HP inline four-cylinder combined with a very respectable chassis. Its arrival in Italy is also very likely

Adriano Bestetti

March 22 – 6.27pm – MILAN

The medium-sized sports segment is preparing to welcome a new, fearsome contender. QJmotor now seems ready to launch the intriguing in Europe too Srk 421 RRa fairing with interesting technical characteristics which, by virtue of a highly competitive price, could have a big impact on its reference market. The model has in fact already landed in Great Britain, where it is marketed at the price of £5,299 (just over 6,130 euros at current exchange rates), a circumstance which makes its possible introduction into EU markets, including Italy, more than plausible.

1 Design

On a stylistic level, the Srk 421 RR focuses on aggressive and modern lines that design a fairing sharp, with a front characterized by marked air intakes and small ones winglets (more scenographic than actually aerodynamic) which accentuate its character racing. Mainly responsible for its shapes are the British Adrian Morton and the Italian Paolo Bianchi, both with a past in MV Agusta, who opted for an aesthetic inspired by larger-displacement super sports cars with more compact proportions and a layout designed for young people. There saddle808 mm from the ground, is equipped with a non-slip coating while the declared dry weight is 186kg.

2 Motor

The motor It’s an inline four-cylinder 421 cc with 16 valves, twin camshaft distribution and liquid cooling. QJmotor gives it a maximum power of 77 HP at 14,000 rpm and a maximum torque of 39 Nm at 13,000 rpm, values ​​that are certainly significant for its class and which suggest its ability to rev very high. There is no quickshifter, but a traditional 6-speed gearbox complete with slipper clutch. The exhaust instead has a 4-in-1 configuration.

3 Cycling

The chassis of the Srk 421 RR promises sufficient precision and stability to accommodate its sporting nature. The chassis perimeter promises good structural rigidity and connects to suspensions adjustable shoes by Marzocchi. THE’braking system it features a double 300 mm front disc, gripped by 4-piston radial Brembo calipers, and a single 220 mm disc at the rear coupled to a 2-piston Brembo caliper. The picture is completed by 17″ 7-spoke alloy wheels and a 16.5-litre tank.

4 Equipment

Following the current one trend of the Chinese brands, QJmotor has granted the Srk 421 RR a equipment quite rich for the category to be controlled via a modern 7″ color TFT instrument panel. There is no shortage of Bosch ABS, traction control and two driving modes, ‘Normal’ and ‘Sport’, but not even less obvious elements such as the tire pressure monitoring system and two USB sockets. Cameras front and rear are instead part of the list of optional.

QJ motor SRK 421 RR 2026

5 Technical data sheet

These are technical specifications of the QJmotor Srk 421 RR released by the British branch of the Chinese brand:

QJmotor SRK 421 RR

MOTOR
Type4 cylinder, liquid cooled, 16 valves, DOHC
Displacement421 cc
Bore x stroke57.0 x 41.2mm
Compression ratio12.6 : 1
Max. power57 kW / 77 HP @ 14,000 rpm
Max. torque39 Nm @ 13,000 rpm
Change6 gears
ClutchMultiple discs in oil bath
CYCLING
ChassisPerimeter in steel-aluminium composite
Front suspensionAdjustable inverted Marzocchi fork
Post suspension.Adjustable Marzocchi monoshock
Front brakeDouble 300 mm disc with 4-piston Brembo calipers
Bosch dual channel ABS
Rear brake240 mm disc with 2-piston Brembo caliper
Bosch dual channel ABS
Front wheel17″ multi-spoke cast alloy
​120/70-17
Rear wheel17″ multi-spoke cast alloy
​160/60-17
DIMENSIONS AND WEIGHT
L x W x H2,020 x 755 x 1,130 mm
Wheelbase1,385 mm
Dry weight186kg
Tank capacity16.5 litres



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