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The trickiest bit is to fit the pedal sensor but help is at hand! You need to turn the bike upside down, take a picture of the bottom bracket area and email it to support. Andy will make sure that you get the exactly right pedal sensor for your bike. If any tool is required, he'll send you a...

I am for lowering tariff for imports from African countries (I posted about coffee and coffee derivatives) but don't think we pay extra because our supermarkets sell oranges from Spain, Portugal and Morocco, there is no import duty on Morocco fresh oranges (HS code 0805102210).

it's a pretty good base for conversion. Fit an XF08C kit with 17AH battery for £599. You can get about 100 mile range with it at 15mph, of course less at higher speed.

I am most interested in the potential of driverless cars to reduce the number of cars on our roads. Why would you want to own a car if you can just call it up like a taxi?

Adam, if you don't mind me asking, which bike do you use to ride to work at the moment?

same as the cost of cameras, the cost of sensors will come down rapidly whereas the cost of employing humans (eg to find and fill potholes) tend to go up.

it's because the factory skim on grease. If you regrease the motor yourself, you'll do a better job.

some inventions (monorails, foil suits and personal flying cars) are not necessary. Removing human drivers will reduce death toll due to traffic accidents.

then we change the infrastructure. Motorways weren't built 100 years ago. Motorways will be first to allow driverless vehicles, then dual carriage ways and so on. We'll fit sensors to the roads to warn driverless vehicles of humans or cows wandering onto the roads (or driving a vehicle)..

Adam, You should discard bikes with less than 500WH battery. With your kind of commute and mileage, you will be constantly charging the smaller capacity battery, cutting their life expectancy. So avoid bikes with 400WH (13AH) batteries. You need 36V 15AH or 36V 17AH.

they did not a fair crack of the whip in the last 40 years.

you mean like driving while under the influence?

Artstu, that Cube if fitted with a 500WH battery, should be enough for his 44 miles.

The number of new nurses joining the NHS has dropped because they come principally from Eurozone countries. An immediate 17% drop in the exchange rate GBP/EUR the day after the referendum is responsible for the drop. For reference, if you look at the new intakes of nurses, EU nurses account for...

that comment is an exaggeration. The number of nurses and midwives from Europe leaving the register has gone from 2,435 in 2016 to 4,067 in 2017. Compare the 4,067 against the number of nurses: 285,893, that's 1.4%. Overall, the number of nursing staff is static while demand is increasing. The...

Until now, we put a human in charge of driving, no wonder progress wasn't very good, our brain did not grow much over the last 100,000 years. Now we are replacing our organic brain with a digital one. Progress is accelerating, and seems to accelerate geometrically.

his suggestion may be wacky today but fast forward 50 years, boats, cars and trucks may be driven by themselves, traffic accidents a thing of the past, batteries not a fire hazard etc -

You need to test ride a few to be sure which motor will suit you best. Crank drives give excellent compromise in terms of speed vs weight if speed is your most important criterion, rear hub drives are cheapest and give more relaxed ride, a full throttle helps when you are tired or climbing long...

all crank drive bikes and most mid range hub bikes can do 22 miles at 20mph with little pedaling if you can derestrict yours. 22 mile range is roughly a quarter of what you were asking for initially.