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  1. chris_n

    carbon forks and hub motors?

    The braking forces are carried by the brake caliper, whether rim or disc, not the dropout.
  2. chris_n

    New Project Started

    No it's for his grass cutter.
  3. chris_n

    My bike is barely engaging the motor then it flashes error 24

    You do of course realise that the bike you have bought apart from having butchered wiring ( how it could get into that state is beyond me) actually appears to be illegal to use as a bicycle in UK other than on private land.
  4. chris_n

    Tear proof seat cover

    Shower cap.
  5. chris_n

    Thioughts on removeable kit,

    Another vote for another bike here. I would have thought he would be much happier with a torque sensor bike, certainly not one with a speed controller.
  6. chris_n

    Wisper Wisper Bike rack cracked

    You used the wrong stuff, you need epoxy putty not glue (and plenty of it) to make a sausage that can fill both tubes completely for at least 15mm and something in the middle like a screw or tube to give additional support.
  7. chris_n

    Help! Converting folder bike to cassette

    There is no need to change the derailleur on systems like this, there is no such thing as a 7 speed or 8 speed derailleur. The difference in how they work is all in the shifter, changingthe derailleur actually increases the chances of getting something wrong by routing the cable incorrectly...
  8. chris_n

    What has happened here please

    Looks to me like the angle it is out is the equivalent of rotating the casing by one bolt hole on the first picture.
  9. chris_n

    Unrecognised lever on the handlebar

    There is a lot more to it than that on every dropper I have owned / used. The height is infinitely adjustable between high and low rather than just 2 holes. Mine have always been hydraulic, sometimes the operation is by cable opening a valve or sometimes with hydraulic operation too. I always...
  10. chris_n

    Unrecognised lever on the handlebar

    Control for the dropper seat post. Sit on the bike then operate the lever and the seat should go down, take your weight off the saddle and operate it again and it will go back up.
  11. chris_n

    Prices of the electricity we use to charge

    I think you might find that correctly specified and set up heatpumps are completely viable in UK. The problem is more that many installers (not helped by the poor requirements of surveys required for government grants) don't have a clue how to set systems up correctly. To set a system up...
  12. chris_n

    Prices of the electricity we use to charge

    Beg to differ here, heatpumps work fine in cold weather, lots of heatpumps in Scandinavia and here in the Alps where temperatures are often well below freezing. The biggest problem for heatpumps in UK is humidity leading to icing of the condenser, when it gets actually cold the air doesn't have...
  13. chris_n

    Legal status of ebikes that are identical to those that have gone through the DVSA approval process but haven't been tested

    How do you know it is identical to what was tested? Just because it looks the same at a glance doesn't make it the same.
  14. chris_n

    Help! emtb frame size for 176 cm person

    That is how I would do it too. In answer to the OP's question on the reach modern MTBs tend to have longer reach and more relaxed geometry to help you get your weight forward for more front wheel grip. How you feel about that for longer rides I don't know, many on here prefer a more upright...
  15. chris_n

    seized bikes

    Large cables with not If aluminium was perfect for use in small sizes with potentially considerable flexing it would be used in all mains cables as it is much cheaper than copper. It is perfect for the pylons etc as you mentioned previously because it is much lighter but even then it is usually...
  16. chris_n

    Shock Absorbers

    If th If that won't move then that will be why it snapped in the first place. A rear shock will only snap if the ends aren't able to move (rotate) while the suspension moves.
  17. chris_n

    seized bikes

    I'd be more concerned at the fatigue life of the cable rather than it's current carrying capacity. Aluminium is fine for fixed rigid cables, it is not really suitable for small diameter flexible cables.
  18. chris_n

    E-bike seizures surge as police take 'death traps' off the streets

    If they are going to get serious they will do what they do over here. The police have access to a small portable dynamometer that is mainly used to identify tuned Mopeds but has been used to identify dongled ebikes too. I don't think it is actually calibrated for power but provides enough...
  19. chris_n

    £245 Argos Folder Improvements - complete story

    I very much doubt that many of those came from bikes with Bosch / Yamaha / Shimano etc systems which have higher level communications between the battery and charger / motor than a lot of the cheaper options.
  20. chris_n

    Getting back on......

    Modern mountain bike geometry, riding position and riding style puts much more weight on the front wheel than "Old Skool", meaning you can use the front brake much more than you used to be able to. This enables you to slow down much better, even going downhill (bear in mind I live in the Alps so...