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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

Buy individually or both books together. Delivery is free!


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  1.  
    Now the summer's almost over, any particular ebikes worth looking for in the second hand market? Or latest kits to maybe add to a Specialized Tricross?
    • CommentAuthorSteveZ
    • CommentTimeAug 31st 2019
     
    Earlier this year I converted an old Raleigh to electric. I used a Chinese Tongsheng crank drive kit and Li-ion battery from a German stockist, and it is very impressive. The hardest part of the conversion was removing the bottom bracket set from a 20 year old bike. The mid-drive means that the original gears can be used to climb hills without too much effort and the torque sensing feature eliminates the delay found on most pedelecs whilst waiting for the moving pedals to register. The mid-drive kit is quite a bit more expensive than the wheel replacement kits, but the power of a 250W motor (UK legal limit) is more than enough. Worth a look!
  2.  
    Can you link me to your kit please?
  3.  
    A search for 'Chinese Tongsheng crank drive kit' and 'mid drive' gives this: https://www.amazon.co.uk/Tongsheng-Conversion-Torque-Display-Electric/dp/B01MYRB6Q6. Sounds like the one?
    • CommentAuthorSteveZ
    • CommentTimeSep 1st 2019
     
    I bought mine through Alibaba, but they are available on eBay and Amazon if you prefer. Check the display type and the motor is available as a back pedal brake version as well as the conventional free wheel one.
    eg.
    https://www.ebay.co.uk/itm/Tongsheng-TSDZ2-Mittelmotor-36V-250W-mit-VLCD5-Display-und-Zubehor-Enerpower/264423085866?hash=item3d90d8172a:g:HWgAAOSwnaBdSrnc
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