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My bike with a BBS 01 motor will run at 18 mph on the flat. And D8veh will remind you that it could reach 90 mph at beachy head. Oh the controller is bust so the above figures are unpowered. The 1000 watt with restrictions is pushing the law. A bit further than some other manufacturers do .

You can register a bike as a moped. That would be legal, but helmet and insurance would be a challenge.

Heavy duty reading, informative and interesting.

Deviation or hesitation?

The bifang mid drives can all hit 20 mph if derestricted, and you can get 15 mph on your own. Even the BBS 01 can do this.

If you use tie wraps instead of robber bands you can have a Permiant mount.:D

There needs to NO way the two batteries can be connected together when in different state of charge. That could lead to very high current causing melted wires or even start of a battery thermal runaway event. Google ;for what that looks like:eek:

For the non licra types bonk is low blood sugar due to continuing excersize.

Na an I tel thee what in poetry lak Hi waitress, excuse me a minute, now listen, I’m not finding fault, but here, Miss, The ‘taters look gradely… the beef is a’reet, But what kind of pudden is this? It’s what?… Yorkshire pudden!, now coom, coom, coom, coom, It’s what? Yorkshire pudden d’ye...

As an owner of D8veh's recommended light. It's a beast. I have hard a car flash me in a dip your headlights way. It is seriously impressive. Beam patterin is not great but the amount of light makes up for it.

Two batteries will cost best part of £800 before the rest of the kit. Looking like kudos gives you the warranty and new bike buzz. Or woosh etc

The 250 watt thing is a legal technicality, most bikes are much higher peak power. including the bbs 01 which can do over 750 watts through your gears so can climb any mountain. Test ride a few bikes first. I'm 100 kg ish and rode up the hills around Bristol and bath on a so called lowpower...

Sorry your question is unclear. Try again please.

Adding a second powered wheel is illegal( in the U.K.). So only suitable for non electric bikes. A full covered wheel is a bit if an issue in areo terms not good in side winds. The .5 sm of solar panels will generate very little compared to the 400 watt hours most users have in there batteries...

Welcome, if you have good bikes already then a kit will give you performance without the price. £600 should get you a crank drive setup even less for a hub drive.

Replaced my derailleur with Alfine 8 spd and it's been all fine. Slightly lowered top end over the 27 spd gears but less chainline hassle and great at traffic lights.

Lead acid is cheap. Heavy bulky with low power density. Go high tech and it costs more but I have 21 ah of 36v lithium it cost less than £200 and weighs under 4 kg. That's light and cheap for its performance.

Pumping the pedals helps the range too

Cold weather will reduce your range. It's a chemistry thing.

I was refused One of the classic Philippino dishes in a restaurant I visited, they said you westerners won't eat the tripe? They never met my grandmother then.