middle chainring/largest cassette sprockets

flester
flester Posts: 464
edited July 2011 in Workshop
Ì just got one of these http://www.ridgeback.co.uk/bike/voyage and really like it
48/38/28 chainset and 32-12 cassette, STI shifters

I needed to tweak the indexing a bit afer the first few miles. It works OK except for the two biggest cogs when using the middle chainring. I've been able to use these gears on other bikes I've had. I know it's not ideal due to chainline issues etc., and I know the same ratios may be available using other gear combinations. But it's useful to use those gears occasionally, to avoid having to double-shift. Should these gear combinations be useable?
'I do not believe in the three-speed gear at all', the sergeant was saying. 'It is a newfangled instrument, it crucificies the legs, the half of the accidents are due to it.' (From 'The Third Policeman')

Comments

  • keef66
    keef66 Posts: 13,123
    Yes they should
  • John.T
    John.T Posts: 3,698
    All gears should be usable. Some are not recommended due to the chain line issues you mentioned. Extreme cross gears will be a bit rough.
    My Fleet.
  • flester
    flester Posts: 464
    hmmm. It won't shift cleanly to 2nd and won't stay on 1st at all. Back to the shop I'd say.
    'I do not believe in the three-speed gear at all', the sergeant was saying. 'It is a newfangled instrument, it crucificies the legs, the half of the accidents are due to it.' (From 'The Third Policeman')
  • flester
    flester Posts: 464
    Had another look - it was not set up right by the shop. Too much tension so that it was in top gear with one click to spare. No wonder it could not reach the biggest sprockets. Tossers! no way they could have checked the indexing. Just as well I knew what I was doing
    'I do not believe in the three-speed gear at all', the sergeant was saying. 'It is a newfangled instrument, it crucificies the legs, the half of the accidents are due to it.' (From 'The Third Policeman')
  • desweller
    desweller Posts: 5,175
    I have come to the conclusion that most bike shop mechanics are the ones that weren't good enough to become car mechanics. Which is scary.
    - - - - - - - - - -
    On Strava.{/url}
  • wheelygood
    wheelygood Posts: 101
    Please don't make sweeping genralisations - there are some fantastic mechanics in the trade - it's just that everyone posts their bad experiences - very few post their good experiences! :(
  • flester
    flester Posts: 464
    wheelygood wrote:
    Please don't make sweeping genralisations - there are some fantastic mechanics in the trade - it's just that everyone posts their bad experiences - very few post their good experiences! :(
    I agree with you on generalisations. Unfortunately my bike does not seem to have been set up by one of the fantastic ones.
    'I do not believe in the three-speed gear at all', the sergeant was saying. 'It is a newfangled instrument, it crucificies the legs, the half of the accidents are due to it.' (From 'The Third Policeman')

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