A brighter bike light is not automatically the better buy if it creates a mounting problem.
This chooser starts with the constraint that changes the answer: computer position, handlebar type, smart controls, or a working light that only needs a replacement mount.
| Choice | Current spec that matters | Buying consequence |
|---|---|---|
| HORI 700 | 700 lm, 92 g, up to 22.5 hr, Garmin-compatible mount, no FTR LightSync | Lower-cost lightweight branch for everyday road/commuting use when FTR remote integration is not needed. |
| HORI 900S | 900 lm, 107 g, 2600mAh, up to 40 hr, Garmin/Wahoo compatible, FTR LightSync | Current computer-integrated 900-lumen branch with the longer published runtime. |
| HORI 900 | 900 lm, 107 g, 2000mAh, up to 30.5 hr, direct Garmin/Wahoo computer-stack support | Still current, but compare the 900S first if both remain the same price. |
| HORI 1300 | 1300 lm, 151 g, 205 m max throw, 9.5 hr max runtime | Brighter base model. Magicshine explicitly says it is not designed to carry a bike computer directly on top. |
| HORI 1300S | Same 1300-lm class plus Intelliwake motion sensing | Pay the step-up only if automatic wake/sleep matters. |
| HORI 1300 PRO | ANT+ and Shimano Di2 support | For riders who will actually use integrated electronic control. |
| MJ-6538 | 28 / 31.8 / 35 mm round bars | Round-bar route. |
| MJ-6536 | Most two-bolt aero bars | Aero-bar route. |
| HORI replacement mount | Official replacement family for current HORI models | Do not replace a working light just because its mount broke. |
The big number is not the whole decision. A 1300-lumen light can be the wrong buy if your real constraint is keeping a cycling computer directly above the light. A $6.99 replacement base can be the right buy if the light still works and only the mount failed.
Related: Magicshine MONTEER 8000S V2.0 Data Dossier
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