This 250mm front brake disc is a complete rotor upgrade kit for electric dirt bikes. It fits the Sur-Ron Light Bee (L1E and X), Talaria Sting, Talaria 3X, E-Ride PRO and 79bike models. The kit ships with the disc, a caliper adapter and a bolt set. Therefore the swap needs no frame or fork modification.
Factory front discs on these bikes use a smaller diameter. The Ø250 mm rotor increases braking torque through the larger radius. As a result, the same lever pressure produces stronger stopping force. Cooling holes and a wider working surface also reduce heat build-up during repeated stops.
Riders who push hard off-road or in city traffic will feel the difference first. Long descents and technical trails place constant load on the front brake. This disc keeps that load spread across more steel, so brake fade appears later. Modulation stays predictable across both surfaces.
Key Benefits
- Higher braking torque – the Ø250 mm diameter generates stronger stopping force than the factory disc.
- Better heat dissipation – a larger working area plus cooling holes reduce fade on long runs.
- Shorter stopping distance – the bike pulls up quicker under real riding conditions.
- Bolt-on fitment – the included caliper adapter removes any need for frame or fork changes.
- Steadier modulation – lever feel stays consistent, with less pulsing through the fingers.
- Quieter operation – precise disc geometry cuts vibration while braking.
- Steel construction – the steel resists both heat and wear over long service life.
- OEM caliper compatible – the adapter matches the disc to the stock brake system.
Who Is This For
This front brake disc suits the Sur-Ron Light Bee L1E and Sur-Ron Light Bee X. It also fits the Talaria Sting and Talaria 3X. Owners of the E-Ride PRO and 79bike can install it as well.
Mounting position is the front wheel only. The disc works with an OEM caliper or a compatible aftermarket caliper. In both cases you use the supplied adapter bracket. Your fork and caliper must accept that adapter.
The kit is aimed at riders who cover serious off-road or urban mileage. It earns its place on long descents and technical trails. Furthermore, riders who have already raised motor power often add it to restore braking margin.
What’s In The Box
- 1× front brake disc, 250 mm
- 1× caliper adapter bracket
- 1× bolt set
Technical Specifications
| Diameter | Ø 250 mm |
| Type | Front brake disc with cooling holes |
| Material | Steel, resistant to heat and wear |
| Position | Front wheel |
| Mounting | Bolted to the OEM hub via adapter |
| Caliper / fork | OEM or compatible aftermarket, with supplied adapter |
| Compatible bikes | Sur-Ron Light Bee (L1E / X), Talaria (Sting / 3X), E-Ride PRO, 79bike |
| Kit contents | Disc, caliper adapter, bolt set |
| Recommendation | Run with good brake pads and correct torque |
Installation Tips
- Clean the hub mounting face before fitting the disc.
- Apply medium-strength thread locker to the bolts.
- Torque every bolt to OEM specifications.
- Check that the caliper centres correctly over the disc.
- Re-torque the bolts after 50-100 km of riding.
- Bed in the pads before any hard riding session.
Why Choose This Kit
The main difference from a disc sold on its own is the included caliper adapter. Without that bracket, a larger rotor simply will not line up with the stock caliper. Consequently the installation stays quick and clean from the first bolt.
Second, the bolt set comes in the box. You do not need to source extra hardware beforehand. Because of that, the whole upgrade fits inside a single maintenance session.
Third, the disc performs as part of a system. Pair it with good pads and correct torque values. That combination delivers dependable stopping power both off-road and on the street.
Frequently Asked Questions
Will this 250mm disc fit my Sur-Ron Light Bee?
- Yes, it fits both the Light Bee L1E and the Light Bee X.
- Use the supplied caliper adapter for correct alignment.
Does it work on a Talaria Sting or Talaria 3X?
- Yes, both Talaria models are covered.
- The E-Ride PRO and 79bike are also compatible.
Can I fit this to the rear wheel?
- No, the kit is designed for the front wheel only.
Do I need to modify the frame or fork?
- No modification is required.
- The adapter bracket handles the larger diameter for you.
Does it work with the stock caliper?
- Yes, through the included adapter.
- Compatible aftermarket calipers work too, provided they accept the adapter.
What material is the disc made from?
- Steel that resists heat and wear.
- Cooling holes help move heat away during repeated braking.
Do I need extra bolts?
- No, a bolt set is supplied in the kit.
- Torque them to OEM values and re-check after 50-100 km.
Will braking feel different straight away?
- Bed the pads in first for full performance.
- After that, the same lever pressure produces stronger braking.
Upgrading front braking is one of the most useful changes on a light electric dirt bike. This Ø250 mm disc, adapter and bolt set give the Sur-Ron, Talaria, E-Ride PRO and 79bike a larger braking radius without cutting or drilling. Fit good pads, torque everything properly, and ride with a bigger safety margin.














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