Quick answer
If you want raw climbing power and speed for off-road thrills, choose the RetroVolt Pro. For a more affordable, stable all-terrain commuter with a huge battery, go with the Thunder Ebike.
Motor and torque: power vs. practicality
The RetroVolt Pro's 2000W peak brushless motor and 99 N·m of torque let it blast up steep hills and hit 38 mph. That's overkill for casual neighborhood rides but ideal if you tackle serious inclines or want quick acceleration from 0 to 30 mph in 5 seconds.
The Thunder Ebike uses a 1400W geared hub motor. It still climbs well, especially at lower speeds, but with less raw torque. The trade-off is a lower price and a motor that's more than enough for daily commutes and moderate hills.
Battery and range: big vs. bigger
Both models offer substantial range, but the Thunder Ebike packs a 48V 18Ah battery. That extra capacity means fewer charging stops on long commutes or weekend explorations.
The RetroVolt Pro's battery is not specified here, so if maximum range is your priority, the Thunder Ebike has a clear edge based on what's known. For short, power-intensive rides, the RetroVolt Pro's motor efficiency may still deliver adequate distance.
Tires and stability: fat vs. extra-fat
The RetroVolt Pro rides on 20x4" wide tires—stable on pavement and packed trails. They provide a solid grip for fast cornering and moderate off-road use.
The Thunder Ebike upgrades to 20x6" puncture-resistant fat tires. The extra width gives superior float on sand, snow, and loose gravel, plus a plusher ride. If you frequently ride on soft or uneven surfaces, the Thunder Ebike's tires are a major advantage.
Trade-offs at a glance
- Power vs. price: RetroVolt Pro ($2,354.76) costs nearly double the Thunder Ebike ($1,241.31). Decide if you need 99 N·m of torque and 38 mph top speed, or if 1400W is enough for your hills.
- Battery capacity: Thunder Ebike comes with a 48V 18Ah battery for extended range. RetroVolt Pro's battery spec is not listed—if range matters most, the Thunder Ebike is the safer bet. If you ride long distances daily, prioritize the Thunder Ebike's larger known battery.
- Tire width for terrain: Thunder Ebike's 20x6" tires excel on sand, snow, and gravel. RetroVolt Pro's 20x4" tires are better for pavement and packed trails at higher speeds.
Product facts at a glance
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RetroVolt Pro*2: 2000W peak brushless motor with 99 N·m of torque, 20x4" tires, reaches 38 mph, 0-30 mph in 5 seconds. Delivers explosive acceleration and hill-climbing power for aggressive off-road riding and steep commutes.
RetroVolt Pro*2
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Thunder Ebike: 1400W geared hub motor, 48V 18Ah battery, 20x6" puncture-resistant fat tires. Combines strong hill-climbing with a long-range battery and ultra-wide tires for stable all-terrain comfort at a lower price.
Thunder Ebike
Which one fits you?
Best for
- Riders who want maximum hill-climbing torque and speed for off-road or steep urban routes
- Adventure seekers who prioritize explosive acceleration and don't mind a higher price
Not ideal for
- Budget-conscious commuters who need long range and all-terrain stability
- Riders who frequently ride on soft surfaces like sand or snow and prefer ultra-wide tires
