Magnetic Locking System
Built-in magnets on the wheels keep the bike stable and compact when folded, ideal for tight storage or train travel.
Estimated 3–7 working days. Your shipment will have tracking information where available.
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12 monthsof cover
UK-based warranty and after-sales support
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Fault assessment, warranty guidance and help arranging eligible repairs or replacement parts.
Contact our UK team with your order number and a few photos.
Normal wear, accidental damage, misuse and unauthorised modifications are excluded. Eligibility and remedies are subject to the full warranty terms.
Contact TrailSurge with your order number, a description of the fault and clear photos or a video. Our team will assess the issue and explain the next steps.
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Fault assessment, warranty guidance and help arranging eligible repairs or replacement parts.
Contact our UK team with your order number and a few photos.
Normal wear, accidental damage, misuse and unauthorised modifications are excluded. Eligibility and remedies are subject to the full warranty terms.
Contact TrailSurge with your order number, a description of the fault and clear photos or a video. Our team will assess the issue and explain the next steps.
Pre-order: Current supplier estimate is dispatch from 15 September 2026.
The Cyrusher Sonder Lite is a lightweight folding electric bike built for commuting, compact storage and everyday city riding. Its torque sensor delivers smooth, natural assistance from the road-legal 250W rear hub motor, while the 36V 10Ah battery offers up to 40.4 miles (65km) of range.
| Motor | 36V 250W brushless rear hub motor |
|---|---|
| Battery | 36V 10Ah lithium battery |
| Maximum assisted speed | 15.5mph (25km/h) |
| Range | Up to 40.4 miles (65km) |
| Charging time | Approximately 5–7 hours |
| Sensor | Torque sensor |
| Gears | Shimano 7-speed |
| Brakes | Hydraulic disc brakes |
| Tyres | 20 x 2.0 inches |
| Bike weight | 19.8kg including battery |
| Maximum load | 120kg |
| Recommended rider height | 150–180cm (4ft 9in–5ft 9in) |
Range varies with rider weight, terrain, weather, tyre pressure and assistance level.
| Collection | Bicicletas eléctricas |
|---|---|
| Brand | Cyrusher |
| Motor Power | 250W |
| Battery | 36V 10Ah |
| Top Speed | 15.5 MPH |
| Max Range | 40 MILES |
| Charging Time | 5-7 Hours |
| Wheel Size | 20" x 2.0 inch |
| Brakes | Hydraulic disc brake |
| Gears | Shimano 7-speed |
| Bike Weight | 20 KG |
Check rider measurements and sizing before you order.

Sizes are a guide. Rider proportions, footwear and setup can affect fit.
Built-in magnets on the wheels keep the bike stable and compact when folded, ideal for tight storage or train travel.
The 36V 10Ah lithium battery hidden in the saddle delivers up to 65km per charge, ideal for commuting and casual urban rides.
The Sonder Lite supports a Brompton-style carrier block, letting you attach baskets or bags easily—ideal for commuting, shopping, or travel.
1 x Cyrusher Sonder Lite Folding Electric Bike
1 x Charger
1 x Tool Kit
1 x User Manual
Watch the assembly guide below before first setup.