Topic
Maintenance Tips
Keep the motor quiet and the range honest.
ReviewsSur-Ron Light Bee X: Everything You Need to Know
2026 MY26 is 10 kW, 72V 35Ah, 130 lb, claimed 50 mph. It is an e-moto, not a Class 3. The aftermarket is still the second bike.
SEP 20, 2026 · 15 min
GearUL 2849, Chargers, and the Kit That Keeps a Pack from Becoming a Fire
NYC made certification law. The CPSC wants it federal. Charge with the matched brick.
SEP 16, 2026 · 7 min
GuidesE-Bike Battery Fires: Risk, Causes & Prevention
CPSC counted 19 e-bike fire deaths in 13 incidents (2017–2024). NYC deaths fell after UL law, not because lithium got nicer. Matched charger, UL 2849, don’t block the exit.
SEP 15, 2026 · 15 min
GuidesHow to Test a Used Motor
Smell, spin, ohms, then halls. A Marketplace ‘strong motor’ is not a spec sheet. Walk away before you buy a rusted stator and a melted plug.
SEP 13, 2026 · 13 min
GuidesAdvanced Controller Tuning
Phase amps are torque. Battery amps are the pack’s throat. Field weakening is extra RPM you pay for in heat. The app is not a dyno, and it is not a Class 2.
SEP 12, 2026 · 14 min
GuidesThe Ebike Mods We Actually Like
Tires, lights, locks, sintered pads, pegs. Not a 72-volt Amazon controller on a Class 2. Two lists: bicycles that stay legal, and e-motos that get faster on purpose.
SEP 11, 2026 · 14 min
GuidesE-Bike Maintenance: The Complete Guide
Pre-ride to annual: chain, belt, brakes, tires, battery, torque, firmware. Mid-drives eat chains. Never pressure-wash the motor. At your own risk — a shop does bleeds and Bosch crates.
SEP 11, 2026 · 16 min
GuidesUnderstanding E-Bike Power: Watts, Volts, Amps & Torque
Watts are power. Peak is a few seconds. Nominal is the legal number. Torque is the shove. Compare spec sheets on those four, not a 2000W Amazon title.
SEP 10, 2026 · 15 min
GuidesWhat's So Great About Sur-Ron Brakes
Four-piston 203 mm hydraulics and five-level regen on a 10 kW trail bike. Great versus a Tuttio. Not great versus a motorcycle. The aftermarket is the actual product.
SEP 10, 2026 · 14 min
GuidesUnderstanding Volts, Amps, and Watt-Hours
Voltage is pressure. Amps are flow. Watt-hours are the tank. The hangtag that only says 750W is selling you one of those three.
SEP 9, 2026 · 14 min
NewsEbike Motors in 2026: Bosch, Shimano, Specialized, Hubs
The 3.1, the CX, EP8, and the 750W hub that still fills the aisle.
SEP 8, 2026 · 7 min
GuidesHub Motor vs Mid-Drive: Which Should You Buy?
Hub ignores the gears. Mid-drive uses them. Hills, cargo, range-per-Wh, chain bills, and the $1,500 line where the answer actually changes.
SEP 8, 2026 · 16 min
GearFall Ebike Kit: Lights, Layers, and a Battery That Hates Cold
Lithium sags in the cold. Drivers still need to see you at 5:40 p.m.
SEP 6, 2026 · 6 min