Brompton Electric T Line Titanium Folding Electric Bike
- Class 1
- Up to 400 Wh
- 41-60 mi claimed
- Up to 250 lb max load
SVT Score, Lower
An all-titanium folding e-bike that weighs about 31 lb with its 345 Wh battery, at a very high price and with rim brakes.
$7,850
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Usability
3.6 out of 10- Speed: WIRED measured the US build held to 15.5 mph assist
- Source: the US page prints no torque; WIRED reports 30 Nm, Brompton's release 24 Nm, the lower scores
- Spec table: from 29.54 lb, not scored
- Rack: the spec table reads not included; a battery roll-top bag is included
Better on featuresBrompton Electric G Line folding e-bikeA removable battery. $4,950Scores 6.0- Searched: ACT Lab compliance directory (non-NRTL) Certipedia Intertek UL SGS TÜV SÜD CPSC Health Canada
- Record: ACT Lab compliance directory (non-NRTL), ANSI/CAN/UL 2849:2022 (sample test, e-Val certificate), Electric T Line - e-Motiq system; stock/model 'Electric T Line, Electric T Line - e-Motiq system', Brompton Bicycle
- Frame: seven years with registration, not scored
Strengths
- Very light to lift and carry
- Folds small for trains and desks
- Smooth natural pedal assist
- Battery lifts out to charge indoors
- Carbon fork and bars soften road buzz
Drawbacks
- Very expensive for its battery size
- Rim brakes instead of discs
- Assist tops out below the usual US class speed
- Weight stated two ways on the product page
- No rack in the spec table despite the SuperRoll+ name
A very light titanium folder to carry, but very expensive and gently paced
Specs
- TypeFolding
- E-Bike ClassClass 1
- BatteryUp to 400 Wh
- MotorHub
- Top SpeedUp to 20 mph
- Claimed Range41-60 mi
- WeightUp to 40 lb
- Max Rider LoadUp to 250 lb
- SuspensionNone
- FoldingFolds
- CertificationsClaimed only
- Warranty2 Years
Not published by Brompton: brakes.
At a glance
- Grade 9 titanium frame
- Roll-top battery bag
- Superlight carbon saddle
- Brompton Bicycle Inc names its address as Jericho, New York in the store terms of use.
- Brompton Bicycle Ltd of London designs and hand-builds the bikes.
- Brompton e-bikes are sold in the US by Brompton Bicycle Inc through its own store at us.brompton.com.
- Its store sells 16-inch and 20-inch folding e-bikes on one shared e-Motiq motor and battery.
- The bikes are also sold by a national outdoor retailer and by independent US dealers.
- REI is the only major US retailer that sells Brompton e-bikes as the seller, carrying the Electric C Line and Electric G Line (October 2026).
The Brompton Electric T Line (Mark 2, e-Motiq) is a 16-inch folding e-bike with a welded Grade 9 titanium frame, a carbon fork and handlebars, and a 4-speed derailleur.
Its 250 W e-Motiq rear hub motor with a torque sensor is rated 24 Nm in Brompton's launch release, and its removable 345 Wh battery carries a claim of up to 56 miles. It has Brompton dual-pivot rim calipers and 16-inch Continental Contact Urban tires on Tubolito tubes.
The spec table lists it from 29.54 lb, while the feature text gives 31.08 lb with the battery and 24.69 lb without, and Brompton rates it for 242 lb of rider and luggage.
It folds to 25.39 x 23.62 x 12.59 in and comes with fenders, a Lezyne front light, a handlebar control screen, an electric roll-top battery bag, a small zip bag and a bell; the listing names SuperRoll+ but its spec table reads rack not included. The US store lists Blasted Titanium with mid handlebars at $7,850.00.
Compared in
Questions answered from our data
How much does an electric bike cost?The 331 electric bikes we list run from $750 to $12,500, with a median of $1,899.
Are electric bikes UL certified?105 of the 331 electric bikes we list carry a UL 2849 listing we could look up by model.
How far can an electric bike go?265 of the 331 electric bikes we list claim 41 miles or more on a charge, each on its maker's own basis.
Which electric bikes have a battery over 1,000 Wh?18 of the 331 electric bikes we list have a battery over 1,000 Wh, as their makers rate it.
