14 August. Friday 2026
Metisse Hammer MK3 - 2021 Specifications and Reviews
The 2021 Metisse Hammer Mk3 is a classic British-styled middleweight powered by a 649cc Triumph twin-cylinder engine producing 47 horsepower. Built around a hand-brazed chrome moly frame with period-correct Ceriani forks, it appeals to riders seeking authentic vintage styling and authentic engineering. Known for its craftsmanship and classic aesthetic, the Hammer Mk3 suits enthusiasts who prioritize character and heritage over modern performance.
General information | |
| Category | Classic |
| Year | 2021 |
| Model | Metisse Hammer Mk3 |
Engine and Transmission Specifications | |
| Exhaust system | Twin up-swept chrome pipes with bandaged heat shields |
| Transmission type | Chain (final drive) |
| Gearbox | 4-speed |
| Fuel system | Carburettor. Amal type R930/23 |
| Bore x Stroke | 71.0 x 82.0 mm (2.8 x 3.2 inches) |
| Compression | 9.0:1 |
| Power | 47.0 HP (34.3 kW) @ 6700 RPM |
| Engine details | Triumph TR6 engine |
| Engine type | Twin, four-stroke |
| Capacity: | 649.0 ccm (39.60 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Seat | Dual seat option. |
| Wheels | Wire-spoke wheels, Mitas tyres. |
| Rear brakes | Expanding brake (drum brake). BSA drum |
| Diameter | 178 mm (7.0 inches) |
| Front brakes | Expanding brake (drum brake). Triumph drum |
| Rear tire | 4.50-18 |
| Front tire | 2.75-21 |
| Rear wheel travel | 100 mm (3.9 inches) |
| Rear Suspension | Twin Girling reproduction dampers and springs |
| Front wheel travel | 190 mm (7.5 inches) |
| Front Suspension | 35mm Ceriani forks with Ceriani yokes |
| Frame type | Brazed 4130 chrome moly tubular frame nickel plated |
| | |
Physical measures and capacities | |
| Fuel capacity | 8.00 litres (2.11 US gallons) |
| Wheelbase | 1450 mm (57.1 inches) |
| Overall width | 900 mm (35.4 inches) |
| Overall length | 2000 mm (78.7 inches) |
| Overall height | 1150 mm (45.3 inches) |
| Power/weight ratio | 0.3481 HP/kg |
| Dry weight | 135.0 kg (297.6 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | British made bike. |
| Color options | Battleship grey |
Performance Profile & Rider Fit
47 hp
Peak Power
6.5s
0-60 mph
Best For
Track25%
City45%
Cornering65%
Daily Riding35%
Touring30%
Passenger30%
Rider Profile
| Best For | This bike suits an experienced rider comfortable with vintage drum brakes, a 4-speed gearbox, and the quirks of a kickstart-era twin. |
| Purpose | Built as a scrambler-styled classic homage, it is best suited to spirited backroad riding, café-racer style outings, and show-worthy weekend cruising rather than outright performance. |
| Rider Fit | Its light 135 kg dry weight and narrow frame make it easy to muscle around and flick through corners, though the low power and vintage suspension demand active rider input. |
| Character | It has the raw, mechanical charm of a classic British twin, rewarding riders who enjoy engagement with the machine over outright convenience. |
| Not Ideal For | This is not the bike for riders seeking modern comfort, long-distance touring capability, or high-speed highway performance. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Metisse Hammer Mk3 motorcycle is a beautiful blend of classic design and modern engineering. With its sleek lines and powerful engine, this bike is sure to turn heads on the road. The attention to detail in the craftsmanship of this machine is truly remarkable, and the performance matches its striking appearance. Whether you're a seasoned rider or a newcomer to the world of motorcycles, the Metisse Hammer Mk3 offers a thrilling and satisfying riding experience. One of the standout features of the 2021 Metisse Hammer Mk3 is its impressive handling, making it a joy to ride on both twisty mountain roads and long, straight highways. The power delivery is smooth and seamless, giving you confidence as you navigate through various riding conditions. Additionally, the bike's ergonomic design ensures a comfortable and enjoyable ride, no matter how long your journey may be. Overall, the Metisse Hammer Mk3 is a top-notch motorcycle that delivers a perfect blend of style, performance, and comfort.Add a Comment
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