Availability: Out of Stock
Shipping Time: Within 1 Month
The additional battery is designed exclusively to replace the original battery inside the frame. It cannot be used as a spare battery or to power the bicycle alongside the original battery.
Currently, we only provide FREE shipping to the lower 48 states in the US. We cannot ship to New York City (rest of NY is unaffected), Hawaii, Puerto Rico, and Alaska. And we DO NOT ship to PO BOXES or APO.
The Birch Grolar is equipped with powerful 750W front and rear hub motors that can operate independently or combined to give you the boost you need. Choose between front, rear, or AWD modes to match your environment. With 160Nm of torque and a 1200Wh lithium-ion battery, this beast climbs steep inclines, navigates sand or snow, and carries up to 400 lbs of rider and gear—making it the ideal electric bike for hunting, backcountry travel, and heavy-duty utility use.
750 W × 2
Peak 2400W Power
1200 Wh
Battery Capacity
Up to 85 Miles
Per Charge
400 lb
Payload Capacity
160 Nm
Torque
28 Mph
Top Speed
26 × 4.0”
CST C1752 Fat Tire
Hydraulic
Dual-Piston Brakes
Why Grolar?
The name "Grolar" is inspired by the hybrid grolar bear, combining the strength and adaptability of both grizzly and polar bears. Our hunting bikes embody these qualities, designed to conquer any terrain with resilience and reliability.
| Motor: Dual hub motor, 48V, 750W, 160Nm | Speed Shift: Shimano 9 speed (M4000) |
| Battery: 48V, 25Ah, 1200Wh, IPX5 | Speed: 20-28 mph |
| Suspension: 180mm front inverted suspension | Ride Modes: Pedaling, pedal assist, throttle |
| Brake: 180mm opposed dual-piston hydraulic brake | Class Level: 5 |
| Tires: 26" × 4" puncture proof tires |
Range: 85 miles for pedal assist, 45 miles for throttle |
| Max Torque: 160 Nm | Display: 3.5 inch, full-color LED |
| Frame: 6061 aluminium alloy | Throttle: Half twist |
| Payload: 400 lb. | Sensor: TORG2B Centre-mounted Torque Sensor |
| Controller: Lishui 48V 25A Dual Controller | Rear Rack Load Capacity: 110 lb. |
| Battery Weight: 14 lb. |
Front Rack Load Capacity: 33 lb. |
|
Weight: 109 lb. (with battery) |
Weight: 95 lb. (without battery) |
| Frame：6061 Aluminum Alloy | Handlebar Pole：HBC1028 22.2-31.8*740mm |
| Battery：48V, 25Ah, 1200Wh, IPX5 | Crankset：38T-170mm aluminium alloy |
| Motor：Dual hub motor, 48V, 750W, 160Nm | Rear Derailleur：SHIMANO CUES 9-speed |
| Controller：Lishui 48V 25A Dual Controller | Pedals：Alloy with reflectors |
| Tyres：26" * 4" CST C1752 puncture-proof wide tyres | Headlight：QD472 48V LED |
| Rear lights：WD186 integrated rear tail lights | Seat：Extra wide and large soft seat cushion |
| Cassette：9-speed | Stand：MCD-22BA aluminium |
| Chain：Z9 GY/BR PPO | Wheels：6061 aluminium alloy rims |
| Brake：180MM TEKTRO E3520 1800 hydraulic brake | Shift Lever：SHIMANO M4000 9-speed |
| Fork：Inverted Air Suspension 180mm Travel with Lock-out, Nutted | Sensor：Torque Sensor |
Peak 2400W Power
With a powerful 1500W rated dual-motor system that outputs up to 160Nm of raw torque, we've doubled the strength of conventional eBikes to bring you the ultimate outdoor partner. Explore four distinct drive modes (All-Wheel Drive, Front-Wheel Drive, Rear-Wheel Drive, Adaptive) and take on any terrain you want with absolute confidence.
Peak 2400W Power
With a powerful 1500W rated dual-motor system that outputs up to 160Nm of raw torque, we've doubled the strength of conventional eBikes to bring you the ultimate outdoor partner. Explore four distinct drive modes (All-Wheel Drive, Front-Wheel Drive, Rear-Wheel Drive, Adaptive) and take on any terrain you want with absolute confidence.
Torque Sensor
The torque sensor quickly senses the pedal pressure and responds with accurate assistance, offering swift and smooth acceleration.
3.5 in. Full Color LED Display
3.5 in. full color LED screen presents detailed riding data, making it easy to monitor during your ride.
Shimano 9 Speed Shift
Utilizes Shimano 9-speed shift and 5-level throttle for flexible speed control in all road conditions.
Robust Rear Rack
Carry 23% more than the industry standard with the Grolar's 110lb capacity on its rear rack alone (400lb in total)
Suspension Seatpost
Enjoy a smoother ride with our saddle-tube air-suspension enhancing shock-absorption for your ebike.
Brake Light
Equipped with advanced brake lights to ensure softly by alerting others when you slow down or stop, even in low-light conditions.
What professional media really thinks of us
Climb Higher, Explore Further
The Grolar triumphs over 30%- 40% slopes without any difficulties, and takes on 45% degree angles effortlessly through pedal assist mode.
Details That Satisfy Your Every Need
From handlebar to drivetrain, every detail is carefully crafted to create the ultimate hunting experience.
LED Headlights
Increase visibility and safety with 48V LED headlights designed to light up the darkest paths.
Half-Twist Throttle
The half-twist throttle offers intuitive control and ease of use, allowing for more precise and flexible acceleration and deceleration.
750W Dual Motors
Experience maximized performance with front- and rear 750W motors offering 160Nm of torque.
CST Puncture-Resistant Fat Tire
Engineered to withstand desert sands and rugged trails, this tire features advanced puncture-resistant technology, ensuring reliability and safety during your hunting expeditions.
6061 Aluminium Crank
6061 aluminum alloy is highly resistant to corrosion, protecting the crank from oxidation and moisture, thus increasing durability and longevity.
Extraordinary Off-Road Performance
The Grolar is for hunters, by hunters. We know the pain points of off-road traversing, and we’re here to solve it.
Recommended Rider Height: 5'4" ~ 6'5"
| Motor: Dual hub motor, 48V, 750W, 160Nm | Speed Shift: Shimano 9 speed (M4000) |
| Battery: 48V, 25Ah, 1200Wh, IPX5 | Speed: 20-28 mph |
| Suspension: 180mm front inverted suspension | Ride Modes: Pedaling, pedal assist, throttle |
| Brake: 180mm opposed dual-piston hydraulic brake | Class Level: 5 |
| Tires: 26" × 4" puncture proof tires |
Range: 85 miles for pedal assist, 45 miles for throttle |
| Max Torque: 160 Nm | Display: 3.5 inch, full-color LED |
| Frame: 6061 aluminium alloy | Throttle: Half twist |
| Payload: 400 lb. | Sensor: TORG2B Centre-mounted Torque Sensor |
| Controller: Lishui 48V 25A Dual Controller | Rear Rack Load Capacity: 110 lb. |
| Battery Weight: 14 lb. |
Front Rack Load Capacity: 33 lb. |
|
Weight: 109 lb. (with battery) |
Weight: 95 lb. (without battery) |
| Frame：6061 Aluminum Alloy | Handlebar Pole：HBC1028 22.2-31.8*740mm |
| Battery：48V, 25Ah, 1200Wh, IPX5 | Crankset：38T-170mm aluminium alloy |
| Motor：Dual hub motor, 48V, 750W, 160Nm | Rear Derailleur：SHIMANO CUES 9-speed |
| Controller：Lishui 48V 25A Dual Controller | Pedals：Alloy with reflectors |
| Tyres：26" * 4" CST C1752 puncture-proof wide tyres | Headlight：QD472 48V LED |
| Rear lights：WD186 integrated rear tail lights | Seat：Extra wide and large soft seat cushion |
| Cassette：9-speed | Stand：MCD-22BA aluminium |
| Chain：Z9 GY/BR PPO | Wheels：6061 aluminium alloy rims |
| Brake：180MM TEKTRO E3520 1800 hydraulic brake | Shift Lever：SHIMANO M4000 9-speed |
| Fork：Inverted Air Suspension 180mm Travel with Lock-out, Nutted | Sensor：Torque Sensor |
The Grolar’s 1200Wh battery offers up to 85 miles of range on a single charge, depending on terrain, rider weight, and power mode.
Yes, the Grolar can handle hills and rugged terrain. With dual 750W motors and 160Nm of torque, the Grolar conquers slopes and handles mud, snow, sand, and uneven trails with confidence.
It is very safe to ride the Birch Grolar. The Grolar features hydraulic disc brakes, fat tires for superior grip, and a step-through frame for secure mounting. Its low center of gravity and responsive controls enhance stability on rough terrain.
The Grolar’s weight capacity is up to 400 lbs of combined rider and cargo weight, making it ideal for hauling hunting gear, camping supplies, tools, or heavy loads on utility rides.
The difference between the Grolar and a regular eBike are its dual motors, true all-wheel drive, high load rating, and off-road-ready fat tires. The Grolar is designed for adventure, hauling, and performance in extreme conditions—not just paved roads.
Yes, you can switch between AWD and single motor modes. The onboard display allows you to toggle between rear-wheel, front-wheel, all-wheel, or auto drive on the fly to adapt to different terrain or conserve battery.
If you have any questions or issues, reach out to the Birch Support Team via email at support@birchhunters.com. Our team is ready to assist with troubleshooting, maintenance tips, and warranty service.
