Enjoy powerful performance and explore without limits with the expertly engineered Sivrock Fat Tire Electric Bike. Designed for adults who crave adventure, whether it’s navigating challenging trails, conquering off-road terrains, or enjoying a powerful urban commute, this e-bike is built to perform. With robust UL and GCC certifications, it assures superior safety, exceptional durability, and long-lasting value, all integrated into a sleek, rugged design ready for anything you throw at it.
Experience the thrill of a 1000W high-speed brushless motor, delivering a top speed of 25+ mph and an impressive 85Nm of torque to effortlessly ascend slopes up to 35°. Paired with a long-lasting 48V 15Ah waterproof lithium battery, you can ride up to 75 miles on a single charge in pedal-assist mode. The responsive Shimano 7-speed transmission system and 26” x 4.0” puncture-resistant fat tires ensure smooth transitions and superior grip across snow, sand, dirt, and rocky paths, making every journey an unforgettable adventure.
Product Specifications
- Brand: Sivrock
- Bike Type: Electric Mountain Bike, All-Terrain
- Motor: 1000W High-Speed Brushless Gear Hub Motor
- Max Torque: 85Nm
- Top Speed: 25+ mph (40 km/h)
- Max Climbing Angle: 35°
- Battery: 48V 15Ah Integrated Waterproof Lithium-Ion (IP54 rated)
- Charging Time: 8-9 hours
- Range:
- Pure Electric Mode: 25+ miles (40+ km)
- Pedal Assist Mode (PAS): Up to 75 miles (120 km)
- Frame Material: High-Density Aluminum Alloy
- Payload Capacity: Up to 330 lbs (150 kg)
- Tires: 26″ x 4.0″ Puncture-Resistant, Anti-Skid Fat Tires
- Gears: Shimano 7-Speed Transmission System
- Brakes: Mechanical Disc Brakes (Front & Rear)
- Suspension: Hydraulic Front Suspension Fork with Lockout and Preload Adjustment
- Display: Large Multi-Function LCD (Speed, Assist Level, Battery Status, Mileage, Riding Time)
- Riding Modes: 4 Modes (Pure Electric, Pedal Assist, Cart Mode, Classic Bicycle Mode)
- Headlight: High-Luminance LED Headlight
- Certifications: UL, GCC
- Assembly: 85% Pre-assembled
- Wheel Material: Alloy Steel
- Seat Material: Leather
- USB Charging Port: Yes
- Warranty: 1-year warranty on battery, motor, and controller
- Technical Support: Lifetime Technical Support from Sivrock
What’s Included in the Box
- 1x Sivrock Electric Fat Tire Mountain Bike (85% pre-assembled)
- 1x 48V 15Ah Lithium-Ion Battery (integrated)
- 1x Battery Charger
- 1x Tool Kit for assembly
- 1x User Manual
Care and Maintenance Guidelines
- Battery Charging: Always use the provided charger. Do not overcharge; unplug once fully charged (8-9 hours). Store the battery in a cool, dry place when not in use and charge regularly even if not riding to maintain battery health.
- Cleaning: Wipe the bike frame with a damp cloth. Avoid direct high-pressure water spray on electrical components (motor, battery, display) to prevent damage.
- Tire Pressure: Regularly check and maintain tire pressure according to the recommended PSI on the tire sidewall for optimal performance and safety.
- Brake Inspection: Periodically check brake pads and cables for wear and proper function. Adjust or replace as needed to ensure reliable stopping power.
- General Inspection: Before each ride, check that all bolts and quick releases are tightened, and the suspension is functioning correctly. Lubricate the chain regularly.




























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