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These don't seem to be available any more, so it probably means either fitting a new cell pack into the case if available, or mounting a different battery into the frame or on the carrier. I found a couple of photos online that may help others to suggest a solution: The bike The rear of seat...

Ever since the Berkestrand "Motorised Wheel" in the USA about 15 years ago, there has been a succession of these one wheel solutions, some with integral battery, some without. Not one has ever succeeded, so it's a pity that people dreaming these up don't do a little research first. .

The way we put them back on in the trade was to wipe a small spot of rubber solution inside the start of the grip and them slide it on in one swift movement. Don't stop half way since it can instantly set. Once on it can still be removed again if necessary the way you've done it. .

Competition for the in-seat-tube motor, also from Germany but can't remember it's name. Looks like this one means buying the whole new bike though, to get the integrated crank drive gears. .

My thinking was that an unpowered good folder of your own would be better to pedal than a very heavy Boris bike, but if cycling your own bike to the station as you now say, that suggestion doesn't really apply. .

And if still difficult, when you lever the inside edge with a screwdriver, introduce a little water between grip and handlebar. Then twisting that inner end about will work the water along and make the rest easier to slide along the handlbar when twisting it. .

Not legal in the UK though, no pedals. .

Personally I'd also prefer unpowered for those short distances, particularly as the longer of the two is so flat anyway. .

A 2 inch tyre is ok on a 700c rim, but I understand your bike may be limited for large tyre clearance. A mountain bike is a good choice for coping with London's worst roads, but as you say, not as fast and nippy. The time difference on journeys will be quite small though, and probably worth it...

The motor speed is geared down about 6 to 1 to drive the wheel. Without a freewheel, pedalling unpowered would mean up gearing the pedal effort 1 to 6 to spin the motor fast, creating excessive drag and making pedalling alone difficult. There's also drag on DDs of course, but not as severe as...

They just turn all the time, even when no power is delivered, That's how they regenerate, they couldn't if they had a freewheel. .

I studied the photos in the Woosh website before posting and noted this from there: Easy to fold Push the trolley wheels down, you can then move the bike around. Lift the safety latch upward to unlock the lever. Pull the silver lever out to unlock the frame. Fold the front wheel. It didn't...

I've never known of a DD motor with a freewheel, freewheels are te norm in most internally geared hub motors in the e-bike field. .

Put it this way then, for a given current consumption a geared motor outclasses a DD on hill climbing. I agree about the attractions of a DD when at cruising speed, and I think their advantages in a flat or unchallenging area make them the best choice then. .

They have a back brake but no other front brake than the electrically braked hub. Clearly the braking cannot be commenced by a near zero speed disconnect, so they've obviously devised some other way. Being Panasonic, that's likely to be both unique and complex! .

But internally geared motors totally outclass DDs on hill climbing, if both are equally power rated legally. Also the many attempts at regenerative e-bikes have almost all failed, even when being from some of the most respected makers. There must be a reason for that. .

Hill climbing with very heavy riders and/or riders with very limited ability. Also for standing starts on hills with throttle-only for those who cannot pedal off the mark in that circumstance, like our three one legged members. Two others things to note, the 1000watts is also a rating, so...

I haven't, but with the required journeys being only 1.25 and 2.75 miles, any riding compromises with the design are of relatively lower importance. At 12 mph say, the journey times will be insignificant. .

Panasonic's front hub electrical brake/motor combined doesn't appear to use any external resistors and is a fully functional brake, covering everything from gentle braking to emergency stops since the bikes have no other front brake. It's probably the battery effect concerns that has resulted...

A third vote for the Gallego, it seems almost to have been designed for your specific need. .