By Jonathan Seal · Research-led guidance · Updated
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First, work out which fold you have
Almost every folding bike sold in the US uses one of three designs, and the steps depend far more on the design than on the brand.
The half fold is the most common. A hinge in the middle of the frame lets the front half swing around until the wheels sit side by side, and the handlebar stem folds down beside them. DAHON, Tern’s Link range, ZiZZO and most folding e-bikes, including Lectric’s XP models, work this way. The Brompton-style fold is the compact one: the rear wheel swings under the frame, the front wheel folds back alongside it and the bike locks into a small, tidy package. Full-size folders such as Montague’s keep big wheels and a normal frame. You take the front wheel off and fold the frame in half around the seat tube.
A few designs, such as the Birdy and the Strida, fold differently again. Whatever you ride, your owner’s manual and the maker’s own folding video beat any general guide, this one included. Use what follows to understand the steps, then check them against your exact model.
Before every fold: a few quick habits
Find flat ground with a little room on both sides. If the bike has a kickstand, use it, or lean the bike against your leg rather than a wall so it can’t slide while the frame is open.
Turn the cranks so the left pedal points down. Tern puts this first in its folding steps, because it keeps the pedal and chainring out of the way as the halves come together. If your pedals fold, fold them now; Tern notes that folding or removing them gives a smaller package. Lower the seatpost. On many half-fold bikes the saddle then rests on the ground and helps the folded bike stand.
Keep your fingers out of the hinge as it closes. On an e-bike, switch the power off first, so a bumped pedal or throttle can’t start the motor while you’re handling it.
The half fold: frame hinge, then handlebar
This is the general order for most mid-hinge bikes. The latches differ, so look at yours before the first try.
1. Left crank down, pedals folded, seatpost lowered, as above.
2. Release the frame hinge. Many bikes have a second catch so the lever can’t open by accident. DAHON calls its version a safety latch, and Lectric’s XP frames have a switch marked “open” that you slide while pulling the latch. Open the lever fully.
3. Swing the front half around until the front wheel sits beside the rear wheel. Lift slightly by the frame as you go so the tire doesn’t scrub on the ground. A magnet or hook usually holds the halves together: ZiZZO’s bikes use a magnetic catch, and Tern uses its Magnetix clip.
4. Release the stem lever, or clasp on some e-bikes, and fold the handlebar down alongside the wheel. Tern secures the handlepost with a strap and warns against pulling it too tight, since that weakens the magnetic hold.
Unfold in reverse. When you close the frame hinge, DAHON’s order is to wait for the click that says the hinge is seated, close the clamp, then close the safety latch. A half-fold 20-inch bike usually ends up about the size of a small suitcase. ZiZZO’s listings, for example, give 31 x 12.5 x 27 inches folded.
The Brompton-style fold: rear, front, bars, saddle
Brompton describes its fold as three parts in under 20 seconds, and the order matters more than speed.
1. Lift the bike slightly by the saddle and let the rear wheel swing under the main frame. The bike can then stand on its own in what owners call the parked position.
2. Loosen the main frame hinge clamp and swing the front wheel back so it sits alongside the rear wheel, where it hooks onto the rear frame.
3. Release the handlebar hinge and fold the bars down beside the wheels.
4. Drop the saddle all the way. On a Brompton, the lowered seatpost is what locks the fold together, so it goes last. Owners report that dropping it before the rear wheel has tucked under stops the fold from finishing.
The Brompton Electric folds the same way, but Brompton reminds riders to take the battery off first and fit it again after unfolding. Brompton also says the folded bike rolls, which helps in stations and long corridors.
Full-size frames: front wheel off, then fold
Full-size folders trade compactness for a normal ride. Montague’s bikes use the seat tube as the pivot instead of cutting the top tube for a hinge, which Montague says keeps the frame from being weakened.
Montague sums up the fold in one line: remove the front wheel, then unlock the frame quick release and fold the frame in half around the seat tube. It says this takes less than 30 seconds with no tools. The front hub has its own quick release, and the frame lever has changed between model years, so check the manual for yours.
The folded bike is still big, with full-size wheels and a loose front wheel to keep track of. It fits a car trunk or a closet far more easily than a whole bike, but it won’t tuck under a train seat the way a 16- or 20-inch folder can.
Folding electric bikes: plan the lift
Most folding e-bikes use the half fold, so the steps above apply. The difference is weight. Lectric lists its XP4 at 71 lb with the battery, and even its lightest new model, the XP Lite 3, at a claimed 49 lb. That’s a two-handed lift for most people, and an awkward one up stairs.
If the battery comes out, decide whether to remove it before folding. A removable battery makes the bike lighter to lift and lets you charge it indoors on its own, but read your manual first. Some batteries need a key to unlock, and on some frames the battery sits near the hinge. Fold with the power off, and check that cables aren’t pinched between the frame halves before you close the latch.
Carrying, rolling and stairs
Pick the bike up where the folded halves meet, usually the frame near the hinge or the seatpost, and lift with your legs rather than your back. The handlebar and saddle swivel and move, so they make poor handles unless your maker says otherwise.
Check whether your bike rolls when folded before you rely on it. Brompton’s does, and some others roll on small rack wheels or on their own tires, but plenty of half-fold bikes are simply carried. If the folded bike is too heavy to carry for more than a minute, plan routes with lifts or ramps, or think about a lighter model.
On stairs, carry the bike in front of you and keep one hand free for the rail. In a car, lay it with the chain side facing up, which keeps grease off the upholstery and weight off the derailleur. A carry bag keeps the dirty parts covered on trains and in offices, and some transit operators require one; check your operator’s current rules before you travel.
After you unfold: check before you ride
Most folding problems happen on the way back, when a latch is left half closed. Make a short check part of every unfold.
DAHON recommends a check it says takes about three seconds: confirm that the main frame hinge and the handlepost hinge are both fully closed, then hold the saddle and handlebar and push and pull gently. There should be no movement at the center of the frame. On bikes with a safety latch, make sure it’s engaged after the main lever closes.
Then check the seatpost. Tern’s guide says to keep it between the minimum and maximum insertion marks, and DAHON says the safety line on its posts should never be visible when you ride. Close any quick-release levers you opened, squeeze both brakes, and give the bike a gentle bounce to listen for rattles. Tern ends its unfolding steps with a pre-ride check it calls the ABCQD test, which covers the same ground.
If a hinge wobbles, creaks under hard pedaling or needs much more force than usual to close, don’t ride it. DAHON’s advice is to stop and have it inspected before the next ride, and to adjust latch tension only as the manual describes.
Getting faster at it
The times makers quote, such as Brompton’s under 20 seconds or Montague’s under 30, come with practice. Your first folds will be slow, and that’s fine. Fold and unfold the bike five or ten times at home with the manual open before you try it on a station platform with people waiting behind you.
Watch your maker’s folding video once, then practice in the same order every time, so it becomes habit. Rushing is when fingers get pinched and latches get left half done.
If you haven’t bought a folding bike yet, the fold is worth judging before you buy. Think about where you’ll fold it, how far you’ll carry it and how much weight you can comfortably lift.
How we researched this guide
This guide is based on the makers’ own folding instructions and support pages, not on hands-on testing. We used Tern’s folding guide for its Link, Node and Verge bikes, DAHON’s setup and hinge-care guides, Montague’s folding information, Brompton’s fold page and support notes, Lectric’s XP owner’s manual, and the product listings for the bikes on this site. Where owners’ accounts filled a gap, such as the order of the Brompton fold, we say so. Folding steps change between models and years, so treat your own manual as the final word.