Cycling Equipment · Public discussion

cassettes, chains and chainrings

Started by Davek · · Last activity · 3 posts · 748 views

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Cycling Equipment
Published
18 May 2004
Last activity
19 May 2004
Original author
Davek
Posts
3
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Public discussion
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748
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Topics
Rear derailleurs

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  1. Original post
    Davek
    Archived post
    #1

    Hi,

    Apologies if this is a frequently asked question...

    I'm upgrading the wheels on my old bike. The current rear
    wheel is a clunky old lump of steel with a poor quality five-
    speed screw-on freewheel. The new rear wheel has a 105
    cassette freehub, which I understand takes an 8 or 9-speed
    HG70 cassette.

    What type of chain do I need with this? I know what the HG
    signifies, but beyond that the arcane letters and numbers
    that go with chain specifications might as well be runes as
    far as I'm concerned. Any advice much appreciated.

    And will I need to replace my chainrings too?

    (other matters: I have checked the dropout spacing and it's
    130mm, so no problems there. As for shifting, I have
    friction levers, so that is not an issue either. Rear mech
    should be fine with the new set-up too.)

    thanks,

    d.

    Report
  2. Rick Onanian
    Archived post
    #2
    davek said:

    The new rear wheel has a 105 cassette freehub, which I
    understand takes an 8 or 9-speed HG70 cassette. What type
    of chain do I need with this? I know what the HG signifies,
    but beyond that the arcane letters and numbers that go with
    chain specifications might as well be runes as far as I'm
    concerned. Any advice much appreciated.

    Any modern chain for 8 or 9 speeds (depending, of course, on
    which cassette you get). Do yourself a huge favor and either
    get a chain with a quick-link (Sram and Wipperman chains
    come to mind) or buy a quick-link separately. Modern chains
    can't be broken and re-joined with the pins they have; you
    join them with special pins, or just use quick-links (which
    make it easy to remove for cleaning).

    Quoted message said:

    And will I need to replace my chainrings too?

    Not likely. Try it first, you'll know if you need to.
    --
    Rick Onanian

    Report
  3. Davek
    Archived post
    #3

    Rick Onanian:

    Quoted message said:

    Do yourself a huge favor and either get a chain with a quick-
    link (Sram and Wipperman chains come to mind) or buy a quick-
    link separately.

    Aha. Thanks for the tip. And your other comments.

    d.

    Report

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