- \n
- Stromer used the Supernova M99 Pro on the ST2S (Stromer Art. No. 400290) as well as the ST5\/ST5 ABS and ST7 (Stromer Art. No. 401645). The ST5 Pinion is delivered with the M99 Pro 2 (Stromer Art. No. 404703). Since November 2023, the ST7 also receives the M99 Pro 2. The prerequisite is the EDS-MC3 controller, which has been installed in the ST7 since May 25, 2023.<\/li>\n\n\n\n
- All models have connectors specifically adapted to Stromer.<\/li>\n\n\n\n
- The ST2S M99 Pro uses Open-CANSource<\/a>), the models for the ST5 (chain) & ST7 (before Nov. 2023) have the CAN bus. The Pro 2 does not have a CAN bus.<\/li>\n\n\n\n
- The supply voltage of the Supernova M99 Pro is 48 V, and that of the M99 Pro2 is 12 V.<\/li>\n\n\n\n
- The ST3 and ST5 have the same type approval (CoC) and the same controller in Germany, but not the same distribution board.Source<\/a>)<\/li>\n\n\n\n
- The controller used on the ST3 Pinion (EDS-MC3) has a JST connector for the Roxim Z4E as well as a JST connector for the M99 Pro.<\/li>\n\n\n\n
- All models with M99 Pro 2 are operated in Mode 1 (= factory setting with low beam 8 W \/ high beam 16 W). This limits the light output to 1,600 or 1,870 lumens, respectively (Sources: 1 <\/a>| <\/a>2<\/a> | 3<\/a>).<\/li>\n<\/ul>\n\n\n
\n![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/Stromer_SupernovaM99_Varianten.jpg\")
<\/figure>\n<\/div>\n\n\nAdmission:
The Supernova M99 Pro <\/strong>meets the requirements of ECE 113C (E1) for low beam and daytime running lights in accordance with ECE 87.
E-number: 014162 | Daytime running light: 004161.
In Germany, it has been approved for e-bikes and S-pedelecs (according to \u00a7 50 Road Traffic Licensing Regulations<\/a>).
The Supernova M99 Pro 2<\/strong> is available in two versions:
\u2013 for \u00ab25 km\/h wheels\u00bb with K-number
\u2013 for S-Pedelecs with an E number (ECE E1). It has \u00abL-Class\u00bb approval, e.g. L1e, and complies with StVZO regulations.
ECE<\/a> = Economic Commission for Europe<\/p>\n\n\n\nConversion to Supernova M99 Pro \/ Pro 2<\/h3>\n\n\n\n
ST3 chain<\/strong> with ASI controller
<\/em>The ST3 uses the same controller as the ST5, but not the same distribution board.
Conversion to M99 Pro<\/a>Connection to the M99 connection after exchange with the Distribution board of the ST5<\/a>.
Conversion to M99 Pro 2<\/a>Connection to the existing JST connector of the original Roxim Z4E Pro is possible, but the headlight mode cannot be activated via the control ring. The M99 Pro 2 must be operated in mode 1** due to the limited power at the JST connector.<\/p>\n\n\n\nThe simplest solution is to power the lamp independently of the electrical system using a DC-DC converter (48 > 12 V \/ 3 A). This will be connected to the 48 V output of the battery (Wicket Cable with Y-splitter). This will also allow the P5 boost input to be operated and the 3,000 lm to be used in headlight mode. The headlight mode is operated via the supplied button.<\/p>\n\n\n\n
However, this simple variant has disadvantages. See the info box under: Supernova M99 Pro \u2013 Conversion as a \u00abstand-alone solution.\u00bb.<\/p>\n\n\n\n
ST3 Pinion<\/strong> with EDS-MC3 controller
<\/em>The ST3 Pinion use the EDS-MC3 controller and ST5 distribution board, and have a JST 4-pin cable labeled \u00abM99\u00bb. This may not apply to the Limited Edition (LE) which has a different controller.Source<\/a>)<\/p>\n\n\n\n![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/Stromer_SupernovaM99-Pro-2_Anschluss_Roxim_.jpg\")
<\/figure>\n<\/div>\n\n\nConversion to M99 Pro<\/a>Connection to the \u00abM99 cable\u00bb
Conversion to M99 Pro 2<\/a>Connection to the 3-wire JST connector of the original Roxim Z4E Pro. Due to the limited power at the JST connector, it must be operated in Mode 1**. Retrofitting through DIY is possible by simply replugging. In the Netherlands, this will Riesewijk<\/a>.Source<\/a>)<\/p>\n\n\n\n** Mode 1 - M99 Pro 2 (as delivered; low beam 8 W \/ high beam 16 W)<\/p>\n\n\n\n
ST7<\/strong>
Since November 2023, the ST7 models have also been receiving the M99 Pro 2. The prerequisite is an EDS-MC3 controller (Stromer part no. 404320), which has been installed in the ST7 since May 25, 2023. You can check the controller type in Omni under MENU > SYSTEM > INFO > PERIPHERALS. There is also a corresponding entry in the service menu in Omni, which can be used to select the headlight. However, this does not confirm that the \u00abPro 2 controller\u00bb is also installed.<\/p>\n\n\n\n![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/8b27d50a-1586-478f-afd9-e013c9b2dae6.jpg\")
<\/figure>\n<\/div>\n\n\nST2S \/ ST5<\/strong> with M99 Pro
Since the 3,000 lumens of the M99 Pro 2 cannot be used due to controller power limitations, it is limited to 1,600 or 1,870 lumens (depending on the source). The light output is about the same as the M99 Pro \u2013 an upgrade is not worth it.<\/p>\n\n\n\nSupernova M99 Pro - Retrofit as a \u00abStand-alone Solution\u00bb<\/h3>\n\n\n\n
The conversion shown here works with an M99 Pro E1 with a Higo-6 connector. The 48 V operating voltage is drawn via a Y-adapter at the Wicket Cable (in the bottom bracket area) and routed through a relay, which in turn is switched by the original front light's 12 V (6 V). This allows the Supernova to be switched on and off identically to the original light. According to forum posts from\u00a0greenhound <\/a>or.\u00a0<\/em>benoist1<\/a> Does the conversion outlined here work for the ST2 and how?\u00a0Bundt cake<\/a>\u00a0also describes with the ST3 Pinion, .<\/p>\n\n\n
\n![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/aaaacac3-0025-4dd9-8ece-607907524cc8.jpg\")
<\/figure>\n<\/div>\n\n\nThe green and yellow cables are the connections for the CAN bus and are not used. The high beam switch in the control ring cannot therefore be used. The small circuit board with the relay is powered by\u00a0Magikweis<\/a> described. The placement can be done on models with Omni in the top tube or on older models in the bottom bracket. How the brake light can be controlled is described\u00a0JoFischer<\/a>.<\/p>\n\n\n\n
The Supernova M99 Pro has a startup delay of ~15 seconds, the Pro 2 of 5 seconds.
The daytime running lights are controlled by the brightness sensor and the high beams by the separate, wired button.
The circuit also works without a relay, but has the following disadvantages:<\/strong>
The Supernova remains illuminated even while charging the battery on the Stromer. If you unplug the charging cable, the Stromer is locked. After 5 minutes (plus any set autolock time), it goes into standby mode without movement. Only then does the Supernova also turn off.
If the Stromer is stationary and is neither switched off nor moved, it will go into standby mode after 5 minutes if autolock is deactivated. Only then will the Supernova also switch off. The time is extended by the respectively set value of Autolock (0, 3, 5, 10 min.).<\/p>\n\n\n\nSupernova M99 Pro 2<\/h3>\n\n\n\n
In the fall of 2023, Supernova introduced the successor to the M99 Pro, the M99 Pro 2.<\/p>\n\n\n\n
In addition to the increase in light output (the strongest in the bike industry) and a revised design, the real innovations are on the back of the lamp. There are now a total of five new slots for various connection options.<\/p>\n\n\n\n
- \n
- Slot 1: is intended for connection to the power supply of the e-bike system<\/li>\n\n\n\n
- Slots 2 and 3: can be freely assigned. Devices such as a smartphone, a navigation device, a horn, or heated grips can be connected to the headlight.<\/li>\n\n\n\n
- Slot 4: the high beam button is connected to this slot<\/li>\n\n\n\n
- Slot 5: is an additional 12V power boost input, which can draw even more current. This is needed, for example, when the main beam is used to illuminate the road with the full 3,000 lumens and slot 1 does not provide sufficient wattage.<\/li>\n<\/ul>\n\n\n\n
![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/a3277ad5-fe68-42e5-87ef-57bf87cb4cc7.jpg\")
<\/figure>\n<\/div>\n\n\nComparison M99 Pro 2 vs Pro <\/strong>(M99 Pro 2<\/a> | M99 Pro<\/a>)<\/h3>\n\n\n
\n![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/2be765fa-5624-4c0c-97bb-e19ed4068bf8.jpg\")
<\/figure>\n<\/div>\n\n\nSupernova M99 Pro 2 Stromer Custom<\/h3>\n\n\n
\n![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/5d474866-dda6-4098-864b-462193cf89a7.png\")
<\/figure>\n<\/div>\n\n\nThe lamp shown here has a plug type JST<\/a> with 3 pins and is specially manufactured for Stromer. It does not have CAN bus and is connected instead of the Roxim Z4E (12 V, 0 V, High Beam = grey, black, green). The 1:1 exchange only works with Stromer models with an EDC-MC3 controller, such as the ST3 and ST5 Pinion or the ST7 (from November 2023).<\/p>\n\n\n\n
The minimum power provided at terminal P1 must be 8 W for low beam and 12 W for high beam. For the high beam with 3,000 lumens, 35 W are required. For this, the power boost input P5 must be connected to a 12 V source. All current models are generally unable to operate the boost input!<\/p>\n\n\n\n
Purchase<\/h3>\n\n\n\n
M99 Pro 2 Stromer Custom<\/strong> with JST connector 3-pin
with Riesewijk <\/a>- Art. No. 404703 | Price: \u20ac 509 (as of Dec. 2025)
M99 Pro 2 E-45<\/strong> with high beam switch, Bosch Power Boost Cable, Power Boost Connector P5
with r2-bike.com<\/a> \u2013 Art. No. 52906 | RRP: \u20ac334 (as of May 2026)
The connection on the power supply or plug of the lamp must be adapted!<\/p>\n\n\n\nModi of Supernova M99 Pro 2<\/h3>\n\n\n\n
The Supernova M99 Pro 2 is delivered in Mode 1. Only this mode works with e-bikes when the corresponding controller ports are used. If you want to use the Power Boost, an additional 12V power supply is required at port 5 of the Supernova. This voltage must be generated separately, for example with a DC-DC converter.<\/p>\n\n\n
![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/b4c76187-8370-496c-b72f-b3e5c3a7bc99.jpg\")
<\/figure>\n<\/div>\n\n\n