Ended up with generic 5000W Stealth Bomber | Electric Bike Forums
Ended up with generic W Stealth Bomber | Electric Bike Forums
I have been using this site to educate myself and "select" a brand to use as entry level to ebikes. I was leaning towards Ride1Up and still really like their value and offerings but I saw this kid in South Carolina built a stealth bomber bike and thought that would be a nice project for me. After researching it I discovered I could get an entire bike as cheap or cheaper and would have less work to do before riding it so I found one on Alibaba and had a very pleasant experience working with them and getting one shipped to the US. It was usd and I feel like very worth it. Crazy fun. Very powerful. I also bought a cheap boost bike from Bikes direct to get exercise but also plan on buying a LunaCycle mid drive kit for that eventually.
Advice to anyone looking at EBikes. Pull the trigger. Get in and start learning. I've learned more owning one than I could have researching. I had to change a flat on the rear tire the first week and had to get all up in the Stealth bike. It was unpleasant as there was no quick disconnect but I managed and learned a thing or two about the bike.
The Lunacycle kit I learned about from a guy with a channel called "HoboTech". He made himself a nice mid drive bike from the same boost bike I bought.
Hello all,Hi Tito,
I have been using this site to educate myself and "select" a brand to use as entry level to ebikes. I was leaning towards Ride1Up and still really like their value and offerings but I saw this kid in South Carolina built a stealth bomber bike and thought that would be a nice project for me. After researching it I discovered I could get an entire bike as cheap or cheaper and would have less work to do before riding it so I found one on Alibaba and had a very pleasant experience working with them and getting one shipped to the US. It was usd and I feel like very worth it. Crazy fun. Very powerful. I also bought a cheap boost bike from Bikes direct to get exercise but also plan on buying a LunaCycle mid drive kit for that eventually.
Advice to anyone looking at EBikes. Pull the trigger. Get in and start learning. I've learned more owning one than I could have researching. I had to change a flat on the rear tire the first week and had to get all up in the Stealth bike. It was unpleasant as there was no quick disconnect but I managed and learned a thing or two about the bike.
The Lunacycle kit I learned about from a guy with a channel called "HoboTech". He made himself a nice mid drive bike from the same boost bike I bought.
Congratulations ! From what I read, you have been shopping for months before deciding starting with plenty of power for $2K Well Done.
I think you'll find a use for that power.
You're on the right track with Luna, most importantly their Wolf battery. The Luna Cycle YouTube sight has great informative and factual videos.
Does the stealth bomber have a cadence pedal assist function? How much does it weigh, I imagine that depends upon the battery voltage and size.
How does it handle in various conditions?
Good Luck
Mike
What Are the Key Differences Between W and W Electric ...
W and W electric bikes differ primarily in power output, speed, torque, and intended use. A W motor offers 40-50 mph speeds and moderate hill-climbing ability, ideal for urban commuting. A W motor delivers 55-65 mph speeds and extreme torque for off-road adventures or heavy cargo hauling. Battery consumption, legal restrictions, and price also vary significantly between the two.
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Electric Motorcycle
How Do W and W Motors Compare in Power and Performance?
A W motor produces 4-5 horsepower with 120-140 Nm torque, suitable for daily commuting and moderate inclines. The W motor generates 6.7-7.5 horsepower and 160-200 Nm torque, enabling steep hill climbs and rapid acceleration. Performance tests show W bikes achieve 0-30 mph in 3.5 seconds vs. 5 seconds for W models.
What Are the Speed Limitations of W vs W E-Bikes?
W e-bikes typically reach 40-50 mph, while W models hit 55-65 mph. Speed depends on battery voltage (72V vs 84V systems), rider weight, and terrain. High-wind stator designs in W motors reduce heat buildup during sustained high-speed rides.
Actual speed performance often varies based on riding conditions. In urban environments with frequent stops, W bikes may only average 35-45 mph due to traffic constraints. Aerodynamic factors become significant above 50 mph - riders adopting a racing tuck position can gain 3-5 mph versus upright postures. Temperature also impacts sustained speeds; W motors maintain peak performance for 12-15 minutes before thermal throttling occurs in 85°F+ environments.
High-Powered Electric Bikes for Adults
Speed Factor W W Max Speed (flat terrain) 48 mph 63 mph 0-30 mph Acceleration 5.0s 3.4s High-Speed Range 18 miles @45 mph 22 miles @60 mphWhich Battery Systems Support W vs W E-Bikes?
W systems use 72V 20Ah lithium batteries (1.44kWh), providing 25-35 mile ranges. W bikes require 84V 30Ah batteries (2.52kWh) for comparable ranges due to higher energy consumption. Samsung 50E cells are recommended for W builds, offering 4.8Ah capacity and 9.8A continuous discharge rates.
Advanced battery management becomes crucial in high-power systems. W configurations benefit from active balancing systems that maintain cell voltage within 0.01V differentials. Charging infrastructure requirements differ substantially - while W batteries can recharge fully in 4 hours using standard 10A chargers, W packs need 15A quick chargers to achieve 80% charge in 2.5 hours. Cycle life expectations drop from 800 cycles (W) to 500 cycles (W) when regularly discharging below 20% capacity.
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Battery Spec W System W System Nominal Voltage 72V 84V Peak Discharge 80A 150A Energy Density 160Wh/kg 140Wh/kgHow Does Weight Affect W vs W E-Bike Performance?
W motors add 8-12 lbs versus W systems. Total bike weights range 75-95 lbs (W) vs 90-120 lbs (W). The increased mass improves stability at high speeds but reduces maneuverability. Weight-to-power ratios: W = 25-32 W/lb vs W = 41-55 W/lb.
What Are the Legal Restrictions for High-Power E-Bikes?
In the USA, W bikes often require motorcycle licenses (exceeding 750W federal limit). W models fall into motorcycle classification in all 50 states, needing registration, insurance, and DOT-approved tires. California’s CVC § specifically prohibits W e-bikes on bike paths.
Which Maintenance Requirements Differ Between These Power Classes?
W systems need monthly controller inspections and quarterly stator checks. Hydraulic brake pads require replacement every 500-700 miles vs 1,000-1,200 miles on W bikes. Mid-drive W motors demand chain replacements every 300 miles due to 250-300 ft-lb torque outputs.
What Safety Features Are Critical for W E-Bikes?
W bikes require dual-piston hydraulic brakes with 220mm rotors, torque sensors for power modulation, and reinforced frames ( chromoly steel). Smart BMS systems with temperature cutoff at 167°F prevent battery fires. Always use motorcycle-grade helmets (ECE 22.06 certification) above 50 mph.
How Do Prices Compare Between W and W E-Bikes?
Entry-level W bikes start at $3,200 vs $4,800+ for W models. Premium W builds with Rion motors cost $12,000+, offering liquid cooling and GPS tracking. Battery replacement costs: $600 (W) vs $1,100 (W). Insurance premiums average $38/month for W vs $22/month for W.
Buying Tips
For high-power e-bikes, prioritize UL-certified batteries and sine-wave controllers. HappyRun, a 9-year veteran in eco-mobility, offers the Ebike SUV series with patented torque control systems. Their W models feature military-grade battery casings and regenerative braking. Urban commuters should consider HappyRun’s W City SUV with swappable 72V batteries and theft-prevention geofencing.
"The W e-bike market is growing 27% annually, driven by off-road enthusiasts. However, 85% of riders underestimate power management - always pair high-wattage motors with Phase Runners controllers. Future models will integrate AI-powered traction control, crucial for handling W’s instant torque."
– J. Thompson, EV Powertrain Specialist
Conclusion
Choosing between W and W e-bikes depends on use-case and local laws. Urban riders gain little from W’s excess power, while adventure seekers benefit from its robust performance. Always verify manufacturer claims with third-party dyno tests and prioritize thermal management systems in high-power builds.
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