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Aero-Montage as a key selection criterion
Integrated handlebar-stem units make it difficult to fit traditional handlebar mounts for headlights. For this comparison, therefore, only rechargeable headlights were considered that can be mounted beneath or in front of the cockpit using a bracket, i.e. a front mount. This keeps the handlebars tidy and positions the light centrally in front of the bike.
The Lighthammer 100 Supplied with two mounts. The GoPro-compatible adapter expands the mounting options on many modern aero cockpits. In the ‘Mount’ category, Trelock achieved the top score of 1.0. The headlamp is therefore securely mounted and convincingly fulfils the primary purpose of this test.
Removable battery-powered lights are permitted on the road, provided they are fitted at dusk, in the dark or in conditions of poor visibility. The headlamp must be adjusted so as not to dazzle other road users.
Uniform lighting for the training circuit
On the test track, the Trelock produced a consistent, uniform beam pattern. The light is distributed evenly across the relevant section of the road, rather than simply casting a bright spot far ahead. This makes it easier to find your way on unlit stretches and where the road surface varies.
However, with a sub-score of 2.4, the light pattern falls short of the strongest contenders in the field of seven. Nevertheless, the Lighthammer offers a functional light distribution for regular training rides and the journey home after work. Correct alignment is also crucial here: the beam should illuminate the road without dazzling oncoming cyclists or motorists.
Accurate display, sensible power reserve
The battery level indicator is excellent. A green five-LED bar provides a detailed indication of the remaining charge. This is more useful in everyday use than a single warning LED that only lights up just before the device switches off.
Its behaviour as the battery runs low is also impressive: the Lighthammer gradually reduces its output towards the end of its runtime. This ensures that light remains available as a reserve, rather than the headlamp switching off abruptly. The measured runtime of 3 hours 35 minutes results in a sub-score of 2.0. This leaves plenty of scope for longer rides during the darker months of the year, provided the light is fully charged before setting off.
Complete set with a test of patience on the cable
At 74.99 euros, this Lighthammer 100 Set Among the more affordable headlights in the test. Trelock combines the front headlight with a rear light that includes a brake light function. Such an additional function is generally permitted on bicycle rear lights.
The low price comes with a practical drawback: the charging time of 4 hours 40 minutes is the longest in this comparison. Anyone who uses the headlamp frequently should therefore plan to recharge it well in advance. Build quality and handling score 2.0 and 2.3 respectively, and are in keeping with the well-equipped overall package.
Information and rating box
| Product | Trelock Lighthammer 100 Set |
| Price of headlamp/adapter | 74.99 euros >> available here |
| Country of manufacture | China |
| Battery capacity | not specified |
| Weight including bracket | 122 grams |
| Lighting modes | 4 |
| Battery level indicator | green 5-LED bar |
| Lighting/charging time | 3:35 / 4:40 hours |
| Contents of the package | Front headlight, rear light with brake light function, GoPro mount |
| Rating | Grade |
| Illuminated profile | 2.4 |
| Burn time | 2.0 |
| Handling | 2.3 |
| Processing | 2.0 |
| Bracket | 1.0 |
| TOUR rating | 2.0 |
Matthias Borchers
Editor
