The QJMotor SRK 421 RR Is Coming Soon to Moonraker Motorcycles

The QJMotor SRK 421 RR Is Coming Soon to Moonraker Motorcycles

Something exciting is on the way for sports bike fans across Norwich, Norfolk, Suffolk and the wider East Anglia region.

The brand-new QJMotor SRK 421 RR is arriving very soon at Moonraker Motorcycles, and if the early reaction is anything to go by, this machine is about to shake up the mid-weight supersport class.

With a high-revving inline-four engine, premium Italian hardware, and aggressive “mecha-inspired” styling, the SRK 421 RR brings something genuinely different to the category — a proper four-cylinder supersport experience in a lightweight package.

📲 Register your interest now via WhatsApp: 07736 726603

A Screaming Inline-Four at the Heart

At the centre of the SRK 421 RR sits a 421cc inline four-cylinder DOHC engine producing 77bhp at 14,000rpm and 39Nm of torque at 13,000rpm.

That means one thing — rev-hungry performance and a soundtrack that only a four-cylinder can deliver.

The engine is engineered with premium internal components including:

• DLC-treated valve tappets

• Electroplated ceramic cylinder

• Forged alloy steel camshaft

• FCC clutch plates

• NTN bearings

• RIK piston rings

• Daido crankshaft bearings

The result is an engine designed for smooth, linear power delivery, making it accessible for newer riders while still delivering serious high-rpm excitement.

Futuristic “Mecha” Design

The SRK 421 RR isn’t shy about standing out.

Developed with the Italian design studio C-Creative and renowned motorcycle designer Adrian Morton, the bike features a futuristic aesthetic inspired by mechanical robotics — often referred to as “mecha styling.”

Key visual highlights include:

• Aerodynamic winglets

• Ram-air intake for improved airflow

• Sharp geometric fairings

• A floating 3D tail light

• Hollowed tail section for airflow management

• Aggressive LED lighting signature

It’s a design that looks fast even when standing still.

Lightweight Chassis with Premium Components

Despite its performance credentials, the SRK 421 RR remains impressively light at 176kg, giving it sharp, agile handling on both road and track.

The bike features a steel-aluminium composite frame paired with high-end suspension and braking components.

Highlights include:

• Marzocchi fully adjustable USD front forks

• Multi-link rear shock

• Brembo radial four-piston front calipers

• Dual 300mm front discs

• 240mm rear disc

• Bosch dual-channel ABS

This combination delivers serious stopping power and confidence when pushing the bike harder through corners.

Modern Technology and Rider Aids

The SRK 421 RR also comes packed with technology typically found on larger capacity machines.

The rider interface is centred around a 7-inch TFT display with:

• Smartphone connectivity

• Navigation mirroring

• Multi-language interface

Riders can select between Normal and Sport modes, adjusting throttle response and intervention from the traction control system.

Additional features include:

• Traction Control (TCS)

• Tyre Pressure Monitoring System (TPMS)

• Dual-port USB fast charging (A & C)

• Optional integrated front and rear cameras

Coming Soon to Norwich

The QJMotor SRK 421 RR will be arriving very soon at Moonraker Motorcycles, bringing a fresh option for riders looking for a high-revving supersport with standout styling and serious specification.

If you’re based in Norwich, Norfolk, Suffolk or anywhere across East Anglia, now is the time to get ahead of the queue.

📲 Register your interest now via WhatsApp:07736 726603

📍 Moonraker Motorcycles – Norwich