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Zooz Ultra Flex G2 Low Bar Electric Bike

Full suspension, 4130 chromoly, and the biggest battery Zooz builds.

Choose a Color

750W

THRILLMATIC Motor

1300Wh

52V 25Ah Battery

Full

Front & Rear Suspension

203mm

Hydraulic Discs, Front & Rear

33.5"

Seat Height

Zooz Ultra Flex G2 Low Bar 6 inch low-rise handlebar, top down view

The Low Bar Update

The Low Bar Update

The G2 Low Bar swaps the previous tall bars for 6" risers and adds a moto-style number plate. It sounds cosmetic and isn't. Dropping the bars brings your hands and upper body closer to the bike's center of mass, which is the same reason dirt bikes run low bars — you get more leverage over the chassis and can move the bike underneath you instead of steering it from a distance. On rough terrain the difference in control is immediate.

The G2 Low Bar swaps the previous tall bars for 6" risers and adds a moto-style number plate. It sounds cosmetic and isn't. Dropping the bars brings your hands and upper body closer to the bike's center of mass, which is the same reason dirt bikes run low bars — you get more leverage over the chassis and can move the bike underneath you instead of steering it from a distance. On rough terrain the difference in control is immediate.

The Biggest Battery in the Zooz Lineup

The Biggest Battery in the Zooz Lineup

At 52V 25Ah, the Flex carries 1,300Wh — more than any other bike Zooz builds. Zooz rates it at 25 to 40 miles on throttle alone, and that spread is honest rather than hedging: how you ride this bike genuinely determines where you land. Commuting on pavement with the suspension soaking up bumps gets you the top of the range. Treating hills and terrain like a playground gets you considerably less. The pack uses 21700 cells on a proprietary co-molded metal plate with a spring-loaded locking pin, and charges in about five hours.

At 52V 25Ah, the Flex carries 1,300Wh — more than any other bike Zooz builds. Zooz rates it at 25 to 40 miles on throttle alone, and that spread is honest rather than hedging: how you ride this bike genuinely determines where you land. Commuting on pavement with the suspension soaking up bumps gets you the top of the range. Treating hills and terrain like a playground gets you considerably less. The pack uses 21700 cells on a proprietary co-molded metal plate with a spring-loaded locking pin, and charges in about five hours.

Zooz Ultra Flex G2 Low Bar 52V 25Ah battery detail
Zooz Ultra Flex G2 Low Bar moto-style number plate detail

Chromoly, Not Aluminum

Chromoly, Not Aluminum

The frame and bars are TIG-welded 4130 chromoly steel. It's heavier than aluminum and costs more to build, but it flexes and absorbs rather than cracking, it can be repaired by any competent welder, and it holds up to the stress of a heavy bike carrying a rider over repeated impacts. On a full-suspension bike that's going to see jumps and drops, frame material is the spec that determines whether it's still solid in year five.

The frame and bars are TIG-welded 4130 chromoly steel. It's heavier than aluminum and costs more to build, but it flexes and absorbs rather than cracking, it can be repaired by any competent welder, and it holds up to the stress of a heavy bike carrying a rider over repeated impacts. On a full-suspension bike that's going to see jumps and drops, frame material is the spec that determines whether it's still solid in year five.

Serviced Where You Bought It

Serviced Where You Bought It

We're a Zooz dealer with techs on site seven days a week and walk-ins welcome. Every bike that leaves our showroom is assembled, torqued, and safety-checked by hand, and we walk you through the controls before you ride off. On a full-suspension bike that also means setting sag and dialing the shocks to your weight — worth doing before the first real ride, and something you won't get from a box on your doorstep.

We're a Zooz dealer with techs on site seven days a week and walk-ins welcome. Every bike that leaves our showroom is assembled, torqued, and safety-checked by hand, and we walk you through the controls before you ride off. On a full-suspension bike that also means setting sag and dialing the shocks to your weight — worth doing before the first real ride, and something you won't get from a box on your doorstep.

Zooz Ultra Flex G2 Low Bar brake perch detail

Full specifications

ClassClass 2
Top speed20 mph
Motor750W THRILLMATIC, metal-reinforced planetary gears
Battery52V 25Ah (1,300Wh), 21700 cells
Battery mountProprietary co-molded metal plate, spring-loaded locking pin
Estimated range25–40 miles, throttle only*
Charge time5+ hours
Pedal assist5 levels, cadence sensor
Frame4130 chromoly steel, TIG welded
SuspensionFull — front and rear
BrakesHydraulic disc — 203mm front and rear
Wheels / Tires24" wheels with 24 x 3.2" Sticky Sweet tires
Handlebar6" low-rise chromoly
Crankset2-piece hollow steel spindle
SeatDual-density pleated
Seat height33.5"
Weight85 lbs
Load capacity350 lbs
LightingIntegrated LED headlight, tail light, and running light
Rack mountsBuilt-in front and rear
ColorwaysChrome, Diamond Dust, Midnight Black
FinancingAvailable via Klarna, Shop Pay, and PayPal

*Range estimates based on manufacturer figures under optimal conditions. Real-world range varies with rider weight, speed, terrain, temperature, tire pressure, and riding style.

Zooz Ultra Flex G2 Low Bar in Chrome, side view

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