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  1. RobF

    blowout....

    I'm not surprised the ride is harsh. Generally, the bigger the volume of air in the tyre, the lower the pressure. You are running 80psi which is a lot for a near-balloon tyre. Most mountain bike type tyres run at between 40 and 60psi. Also, the sidewalls on the bigger volume tyres don't like...
  2. RobF

    Punctures

    As Hugh, ghoul and Sarah Jane says, steer clear of slime and liners. The cyclists' obsession with punctures is mainly caused by roadies with narrow, lightweight tyres which puncture all the time. An ebike with wide, decent quality tyres, properly inflated should rarely get a flat. I...
  3. RobF

    Gear problem

    Park Tool's DAG2 is a derailleur alignment gauge. Finding someone who has one and knows how to use it might be difficult. Park Tool Co. » DAG-2 : Derailleur Hanger Alignment Gauge : Frame & Fork Tools
  4. RobF

    Expensive mistake

    You need a throttle for taking corners opposite lock speedway style. OK I jest, but I did have a little opposite lock/throttle fun on wet grass with the Scirocco 2 I tested.
  5. RobF

    Expensive mistake

    Rose return conditions are nice and clear. You can examine the bike 'as you would in a shop' after which you can return it, and you do not have to give a reason.
  6. RobF

    Cheapest gents bosch centre drive bike?

    I agree. Although having carried two full panniers of shopping on the Rose yesterday, I don't fancy a rack mounted battery.
  7. RobF

    Bfang 500w marked as 250w

    I dunno, but I see he's trying to make it twice: http://www.pedelecs.co.uk/forum/electric-bicycles/15744-bfang-500w-marked-250w.html
  8. RobF

    Cheapest gents bosch centre drive bike?

    Good find, it's got the smaller battery but is certainly cheap enough. What hasn't been mentioned is this Bosch drive is near obsolete. Most manufacturers seem to be fitting the new small sprocket one for 2014: Cube Reaction Hybrid Pro 29 black´n´white´n´red
  9. RobF

    Beauty That is More Than Skin Deep

    Even less of an excuse for the loopy mess under the handlebars. Compare with this £725 Woosh - which has more cables: The Sirocco Sport-TS | Electric Bikes from Woosh
  10. RobF

    Cheapest gents bosch centre drive bike?

    Eddieo (RIP) was always good at digging out cheap Bosch bikes, often from ebay Germany. But I don't think even he could find one for much less than £1,750. The few 'Bosch bargains' I've seen have always had the smaller battery which I reckon is next to useless.
  11. RobF

    Hi guys

    Your Carrera is a good, sturdy budget bike - even snobby cyclists like them. It's a good prospect for conversion, not least because it fits you and you like it. On t'other hand, buying a complete kit from a UK supplier is not the cheapest way to go. You don't fancy buying piecemeal from...
  12. RobF

    Tour of Britain 2013

    Pantomime booing - I think the broom wagon is an unwelcome sight because it indicates a rider has suffered a misfortune or that his ride has ended early.
  13. RobF

    Beauty That is More Than Skin Deep

    Cable routing is untidy for a £2K+ bike.
  14. RobF

    Tandem

    You are clearly an experienced tandem rider and will know better than me, but I understand the main risk to the front end is braking down hill. This risk can be reduced by using more of a rear wheel braking bias than you would on an ordinary bike. Your tandem also looks like a good one - you...
  15. RobF

    New optibike design - pricey, but very neat

    I was thinking the same, there certainly isn't room for a 36v/15ah one as quoted.
  16. RobF

    Tandem

    The Cytronex link refers to a front wheel conversion. I would caution against this, braking forces at the front of a tandem are much higher than an ordinary bicycle. The forks and headtube should be stronger to reflect this, but I wouldn't take the front end of a tandem away from standard...
  17. RobF

    Tour of Britain 2013

    I saw the start at Carlisle - the broom wagon was booed. Underwhelming reception for Wiggins. Biggest cheer was for Cavendish.
  18. RobF

    Wouldn't fancy going up a hill on this!

    That's nothing - just wait until I fit the dongle to my Bosch bike.
  19. RobF

    Another new Bosch unit derestrictor

    I've ordered one so we shall see what we shall see.