Rattan LF Ultra
A folding step-through fat-tire e-bike with a 1,000W (1,800W peak) rear hub, a 48V 40.5Ah battery, 20 x 4 inch tires and a rear rack with a passenger backrest. Rattan claims up to 120 miles.
Watch the Close Look
Close-Look Video
Watch on YouTube →
From the Video
Frames From The Close Look
Stills from Ben's video, shot in his studio
Make It Yours
Colour Options
Check availability →
The Engineering, Per Rattan
What Makes The Rattan LF Ultra Tick
Motor & Battery
1,000W geared hub, 48V 40.5Ah
1,000W geared hub
A brushless geared rear hub rated 1,000W sustained and 1,800W peak, with a half-twist throttle and five pedal-assist levels.
48V 40.5Ah battery
About 1,944 Wh with a battery management system. Charging takes 8 to 9 hours on the 4A charger. A spare 40.5Ah pack is sold separately.
Cruise control
A switch turns cruise control on and off.
Folding Frame
Step-through frame, foldable pedals
Folds for storage
The frame and handlebar fold, and the pedals fold too. Rattan lists commuting, camping and RV life among the uses.
Step-through LF, step-over LM
Rattan makes the Ultra in two frame shapes. The LF in this video is the step-through.
Rack and passenger backrest
The rear rack and backrest in Ben’s frames are how Rattan says it carries a passenger.
Brakes, Display & Lights
Dual disc brakes, colour display
Dual disc brakes
Rattan lists dual hydraulic discs. Its parts store sells them as cable-actuated hydraulic brakes, so ask Rattan how they feel before you order.
Colour display
Ben’s frames show speed, pedal-assist level and a power bar on one screen.
Lights
An automatic integrated front light and an integrated taillight with brake indication.
Find Your Fit
Size & Fittings
Studio three-quarter view Rattan photo
Will It Fit You?
- Max load400 lb (Rattan)
- Wheels20 x 4 in CST, puncture-resistant liner
- FrameStep-through (LF)
- FoldsYes, with foldable pedals
- GearsShimano 7-speed
- Charger4A, 8 to 9 hours
Rattan lists no weight or rider-height range for the LF Ultra on its product page. Ask before you order if lifting it into a car or an RV matters to you.
Plan Your Ride
Your Range, Not Mine
Brand range figures come from a light rider on flat ground in perfect weather. Set it up the way you actually ride and you get the window to plan a trip inside.
The Numbers
Full Specifications
Source: rattanebike.com→⚡ E-System
🚦 Performance
🔧 Chassis & Brakes
✨ Weight & Load
The Bike Cave Verdict
No Ride Verdict Yet
This video is a close look, not a ride test, so Ben has no ride verdict on the LF Ultra to quote here. What follows comes straight from Rattan’s own listing.
Ben has not scored the LF Ultra, so there is no Cave Score on this page.
What the spec sheet gives you
- A 1,944 Wh battery and a claimed 120 miles
- A folding step-through frame with foldable pedals
- A rear rack with a passenger backrest
- A 400 lb maximum payload
- Starts at $1,399 with 1,800W of peak power
Check before you buy
- Rattan lists the brakes as hydraulic but sells them as cable-actuated hydraulic, so confirm the feel before you buy
- Half-twist throttle only
- An 8 to 9 hour charge from the 4A charger
- No weight or rider-height range on Rattan’s product page
- No Bike Cave discount code for Rattan
Frequently asked questions
How much does the Rattan LF Ultra cost?
From $1,399 on Rattan’s US store, checked October 13, 2026, against a $1,898 list price. Red and black are the same price for the ebike-only option.
How far does the Rattan LF Ultra go on a charge?
Rattan claims up to 120 miles from the 48V 40.5Ah battery. Ben’s video is a close look, so he has no range number of his own.
What is the difference between the Rattan LF Ultra and LM Ultra?
Frame shape. The LF is a step-through and the LM is a step-over. Both are folding fat-tire bikes with the same 1,000W motor and 48V 40.5Ah battery.
Does the Rattan LF Ultra fold?
Yes. The frame and handlebar fold, and the pedals are foldable too.
Is there a discount code for the Rattan LF Ultra?
Not one that we have on record. The button on this page opens the LF Ultra on Rattan’s own store.