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The bargain is not that great, Frank. If you take the cost of the BPM kit, the bike, the bill from Maplin for small parts - you would end up with a Eurasian bike that costs you more than the Woosh Sirocco!

Bonjour Oiseaux, like with most inventions, I believe Stephen's pedals can be improved. I reckon the current models would deliver about 10W per pedal. Its best feature is the power to weight ratio. Its fundamental weakness is to rely on the participation of the knee and thigh joints which put a...

I was just about to paypal my order for a BPM kit. Andy_h, I am grateful for your post.

Hello Steve, how easy is it to climb hills with the Tonaro? do you have to help it with pedalling?

Stephen estimated 100W power assistance. Assume that each down stroke will take about 1 second (30 rpm). Thus: Torque = (100 W / 2 x pi)/1s = 15.8Nm/s Assume that the radius of the pedal is 0.06m, the upward force exerted on the pushing foot will be: F = 15.8kgf/(0.06m/sin(x)) with x...

hello Frank, these bikes may not need that kind of power (that you suggest) to do the stunts on the video. I reckon 700W sustained, 1500W peak for 3 seconds should be enough.

cwah: the Busettii Eco advert says that it has a 52V 10AH LiFeMgPO4 battery weighing just 3.5kgs (7lbs). This is about 30-35% higher in usable energy density than most LiFePO4. The addition of magnesium cannot increase the energy density, it only improves the deep discharge behaviour (to near...

in my dream.. a full suspension MTB with a battery hidden inside the tubes?

Kalkhoff does not suit my style - still looking. Cannondale I like but is too expensive for what they are. I'd like something cheap (may not be the right word), as long as it's 100% reliable.

nun ganz klar ist es. I thought the Great Chief is from China. I love Singapore, especially for the food! we've been there a few times on the way to Australia. Do you sell German bikes too John?

In the Cycle to work, your employer buys and pays for the bike. You hire the bike from your employer and pay monthly rent. At the end of the hire period, they may (or not) sell it to you at much reduced price. Will they buy it (a bike that has no EN15194 and VAT) for you on ebay? Back to...

Sie sprechen Deutsch! dass Ich hatte bekannt.. and I thought you mentioned in another post that your uber Furher comes from the Central Enpire?

Scheisse! zu spat bin Ich, hope Stefan does well over there.

Yes, I know. My son worked in Germany for a time. Over there, they have tools for everything. They also have zero tolerance for defects, but it's not universal. I wonder how much we are prepared to pay for exoticism and for that set of decals on the bike tubes. It's nothing to do with sense, the...

I didn't say it! you did! you are a wicked old man! But seriously, I should go and set up ebike assembly business in Germany. I'd take a road bike, add a conversion kit and roll it in. It's not so much as Vorsprung durch Technik - it's more Deutschland uber alles. People trust that made in...

The Proconnect S10's motor has been tummy-tucked, the KTM's sags badly although not as badly as the Cyclone's which look like well..I may get banned from this forum if I said it

The battery looks good but sorry eddieo, trying as I may, the motor looks like sagging udder of a Bavarian cow...

Mum.. look! that man rides an electric bike! Why want to attract (possibly unflattering) attention?

If (when) I have an ebike, I would like it to look like a normal bike as much as possible. Sadly, the battery gives the game away, especially when mounted within the triangle (perhaps with the exception of water bottle batteries).

Made in Germany - add 500 Euros?