Yes, a Surron electric bike does come equipped with a speed limiter.
Understanding the Surron Speed Limiter
Surron electric bikes are typically sold with a speed limiter in place to comply with regulations that classify them as electric bicycles (e-bikes). This classification often requires the bike to have a maximum assisted speed, which for the Surron is approximately 30 miles per hour (mph).
This limiter is not software-based but is a physical aspect of the bike's wiring system.
How the Speed Limiter Works
The speed limiter on a Surron is implemented through a specific wire within the bike's electrical harness.
- Location: Within the bundle of wires on the bike.
- Identification: It is a distinctive green and black wire that is looped back to itself.
- Function: This looped wire acts as a shunt or a circuit completion that restricts the bike's full power output, thereby limiting its top speed.
Removing the Speed Limiter
For those looking to unlock the Surron's full performance capabilities, the speed limiter can be easily bypassed:
- Locate the Wire: Find the green and black looped wire within the wiring bundle.
- Snip the Loop: Simply snip or cut this looped wire. This action opens the circuit that was previously restricting the speed.
Once this loop is snipped, the bike is "unlocked" and can reach higher speeds.
Speed Comparison
The impact of removing the speed limiter is significant:
- With Limiter: Approximately 30 mph (to meet e-bike classification).
- Without Limiter: Up to 50 mph.
This modification allows the Surron to operate at its full potential, offering a considerably higher top speed for off-road or private property use where such speeds are permissible.
