Recumbent bicycles · Public discussion

A weightweenie is born

Started by Mikael Seierup · · Last activity · 11 posts · 1,396 views

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01 / Original postA weightweenie is bornMikael Seierup · 14 Feb 2003 02 / This pagePosts 1–11Page 1 of 1 · chronological order 03 / Latest replyPost #11Dave Larrington · 17 Feb 2003

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Original section
Recumbent bicycles
Published
14 February 2003
Last activity
17 February 2003
Original author
Mikael Seierup
Posts
11
Discussion status
Public discussion
Total views
1,396
Views / 30 days
0
Topics
Belt drive systemsCommuting

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  1. Original post
    Mikael Seierup
    Archived post
    #1

    Did you know that 3 chains weigh a whopping 1000 g? The horror... the horror....

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  2. Torben Scheel
    Archived post
    #2

    "Mikael Seierup" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Did you know that 3 chains weigh a whopping 1000 g? The horror... the horror....

    And you'll have to put another whopping kilo on the left side to keep your ccb (CoolCarbonBike) from
    tipping over ;-)

    Or is the frame asymmetric to compensate?

    teehee. Torben

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  3. Ez Biker :-\)
    Archived post
    #3

    WELL, perhaps a "Ti" Chain might be a tad lighter for you. vikinginternational.comvikinginternational.com
    However they don't have them for a 9 speed setup, as of yet. EZ Biker :-) Pompano Beach, Fl. (GRR
    Ti, Tailwind and SOON, Bacchetta Aero Pilot)

    "Mikael Seierup" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Did you know that 3 chains weigh a whopping 1000 g? The horror... the horror....

    Report
  4. Mikael Seierup
    Archived post
    #4

    "EZ Biker :-)" skrev...

    Quoted message said:

    WELL, perhaps a "Ti" Chain might be a tad lighter for you. vikinginternational.comvikinginternational.com
    However they don't have them for a 9 speed setup, as of yet.

    Well they would certainly lighten my wallet at 225 usd a chain. I'm not that far gone yet,
    luckily. ;-)

    If I really get the urge to lighten the chain I will buy the new hollow-pin SRAM chains. 200 g
    saving at best, but at least the price was a bit more reasonable.

    Mikael

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  5. Jiimscozz
    Archived post
    #5

    "Mikael Seierup" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Did you know that 3 chains weigh a whopping 1000 g? The horror... the horror....


    Mikael Sure makes a good case for a FWD system. Anxiously awaiting my Polish Lowracer also!

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  6. Earl The Bent B
    Archived post
    #6

    Boy! the three chains on my bike are only 672 grams, Ti Chains are GREAT. Thank you Earl GRR,RANS
    V2 Ti-Rush

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  7. Mikael Seierup
    Archived post
    #7

    "jiimscozz" skrev...

    Quoted message said:

    Sure makes a good case for a FWD system. Anxiously awaiting my Polish Lowracer also!

    Did you get the picture I sent you btw?

    Mikael

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  8. Alpha Beta
    Archived post
    #8

    Someone should be able to make a strong enough polymer chain.

    "EZ Biker :-)" <[email hidden]> wrote in message news:0l63a.97730$iG3.13489@sccrnsc02...

    Quoted message said:

    WELL, perhaps a "Ti" Chain might be a tad lighter for you. vikinginternational.comvikinginternational.com

    Report
  9. Paul Worden
    Archived post
    #9

    Brings to mind the notched belt drive, but I have no idea how well it would work on a long chain
    run. I keep thinking that on a recumbent the chain should run INSIDE the frame tubes but I suspect
    that idler problems would prevent this.

    Paul W

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  10. Ken Kobayashi
    Archived post
    #10
    Alpha Beta said:

    Someone should be able to make a strong enough polymer chain.

    Look at BentRider Online's Interbike 2002 coverage (still on the STP section, I think). Theres'a
    delta trike that uses a kevlar belt for part of the drivetrain. The problem is, you can't use
    derailleurs on a flat belt.

    Ken Kobayashi [email hidden] solarwww.mtk.nao.ac.jppersonal

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  11. Dave Larrington
    Archived post
    #11
    Paul Worden said:

    I keep thinking that on a recumbent the chain should run INSIDE the frame tubes but I suspect that
    idler problems would prevent this.

    Have a look at this one: legslarry.crosswinds.netPix5.htm - Clemens Bucher's bike on
    the left. Main frame member is carbon-fibre, with the chain running inside it. Mid-drive is a 3x7
    located inside the frame under the seat. Final drive runs down the left side of the bike, inside the
    single-sided hollow aluminium swing-arm. It's a bit heavy, but as a commuter has few peers. Just add
    a front fairing to keep the toes warm and a Novosport tailbox...

    Dave Larrington - legslarry.crosswinds.netlegslarry.crosswinds.net
    ===========================================================
    Editor - British Human Power Club Newsletter
    bhpc.org.ukbhpc.org.uk
    ===========================================================

    Report

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