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P38 Brakes

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01 / Original postP38 BrakesAlex · 13 Jun 2003 02 / This pagePosts 1–7Page 1 of 1 · chronological order 03 / Latest replyPost #7Ben Fox · 14 Jun 2003

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Original section
Recumbent bicycles
Published
13 June 2003
Last activity
14 June 2003
Original author
Alex
Posts
7
Discussion status
Public discussion
Total views
833
Views / 30 days
0
Topics
CommutingRim brakesBike cleaning

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  1. Original post
    Alex
    Archived post
    #1

    I purchased a used P38 that had a 16" wheel on the front. I then purchased a 20" wheel for it and
    put it on. The brakes could of course no longer contact the wheel and the clearance to the fork was
    minimal. The only brake I could buy at the local dealer was a 105 calliper brake that now stops me
    from making left turns. Does anyone know if Lightning supplies a longer fork for bikes with a 20"
    wheel than with a 16" wheel? Does anyone know what brake I can use that will give the necessary
    clearances to the frame?

    Many thanks

    Alex

    Report
  2. Robert Siegel
    Archived post
    #2

    Your bike shop is an idiot. Call Tim Brummer at Lightning and order whatever brake and or fork they
    put on a new 20 inch (medium or large) P-38.

    --
    Gator Bob Siegel EasyRacers Ti Rush "Alex" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    I purchased a used P38 that had a 16" wheel on the front. I then


    purchased

    Quoted message said:

    a 20" wheel for it and put it on. The brakes could of course no longer contact the wheel and the
    clearance to the fork was minimal. The only


    brake

    Quoted message said:

    I could buy at the local dealer was a 105 calliper brake that now stops me from making left turns.
    Does anyone know if Lightning supplies a longer fork for bikes with a 20" wheel than with a 16"
    wheel? Does anyone know what brake I can use that will give the necessary clearances to the frame?

    Many thanks

    Alex

    Report
  3. Cletus Lee
    Archived post
    #3

    In article <[email hidden]>, [email hidden] says...

    Quoted message said:

    I purchased a used P38 that had a 16" wheel on the front. I then purchased a 20" wheel for it and
    put it on. The brakes could of course no longer contact the wheel and the clearance to the fork
    was minimal. The only brake I could buy at the local dealer was a 105 calliper brake that now
    stops me from making left turns. Does anyone know if Lightning supplies a longer fork for bikes
    with a 20" wheel than with a 16" wheel? Does anyone know what brake I can use that will give the
    necessary clearances to the frame?

    Lightning Supplies several 20" forks. You can get them with out brake bosses (Caliper) or with brake
    bosses on the front or back. IIRC the price is about $150.

    You should mount your 105 brakes on the back of the 16" wheel and route the cable on the left. If
    this still prevents left turns, then a new 20" fork is your next choice.

    Here is my latest and best brake set up for the front og my P-38 I used Shimano XTR and routed the
    cable on the left and behind the fork (a la CycleGenius & Bacchetta).
    clee.orgVoyagerFrontBrake.jpg As you can see I have plenty
    room for fenders and the cable clears the idler.

    --

    Cletus D. Lee Bacchetta Giro Lightning Voyager clee.orgclee.org
    - Bellaire, TX USA -

    Report
  4. Bentrider
    Archived post
    #4

    For God's sake man... WASH THAT BIKE!!! :-)

    Cletus Lee said:

    In article <[email hidden]>, [email hidden] says...

    Quoted message said:

    I purchased a used P38 that had a 16" wheel on the front. I then purchased a 20" wheel for it and
    put it on. The brakes could of course no longer contact the wheel and the clearance to the fork
    was minimal. The only brake I could buy at the local dealer was a 105 calliper brake that now
    stops me from making left turns. Does anyone know if Lightning supplies a longer fork for bikes
    with a 20" wheel than with a 16" wheel? Does anyone know what brake I can use that will give the
    necessary clearances to the frame?

    Lightning Supplies several 20" forks. You can get them with out brake bosses (Caliper) or with
    brake bosses on the front or back. IIRC the price is about $150.

    You should mount your 105 brakes on the back of the 16" wheel and route the cable on the left. If
    this still prevents left turns, then a new 20" fork is your next choice.

    Here is my latest and best brake set up for the front og my P-38 I used Shimano XTR and routed the
    cable on the left and behind the fork (a la CycleGenius & Bacchetta).
    clee.orgVoyagerFrontBrake.jpg As you can see I have plenty
    room for fenders and the cable clears the idler.

    --

    Cletus D. Lee Bacchetta Giro Lightning Voyager clee.orgclee.org
    - Bellaire, TX USA -

    Report
  5. Cletus Lee
    Archived post
    #5

    In article <[email hidden]>, [email hidden] says...

    Quoted message said:


    For God's sake man... WASH THAT BIKE!!! :-)

    Hey! That was when I had it set up with fenders for commuting. You can't expect a clean bike
    and commute daily in Houston. (well maybe last month) And besides, most of the mud you see is
    on the Stelvios.

    --

    Cletus D. Lee Bacchetta Giro Lightning Voyager clee.orgclee.org
    - Bellaire, TX USA -

    Report
  6. Jeff Wills
    Archived post
    #6

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

    Quoted message said:

    I purchased a used P38 that had a 16" wheel on the front. I then purchased a 20" wheel for it and
    put it on. The brakes could of course no longer contact the wheel and the clearance to the fork
    was minimal. The only brake I could buy at the local dealer was a 105 calliper brake that now
    stops me from making left turns. Does anyone know if Lightning supplies a longer fork for bikes
    with a 20" wheel than with a 16" wheel? Does anyone know what brake I can use that will give the
    necessary clearances to the frame?

    Many thanks

    Alex

    Something's weird here. I've used "normal-reach" caliper brakes on my Lightnings for many years.
    Turning to the right or left should not be restricted if the caliper is mounted on the back of the
    fork. Fuzzy picture here: pacifier.comphoto 3.html

    You probably can't do this with modern short-reach calipers. Fortunately, Shimano now makes
    normal-reach (47-57mm) calipers in two grades: R-600/Ultegra (
    harriscyclery.netpage.cfm ) and RX-100 (
    harriscyclery.netpage.cfm )

    My wife used the RX-100 calipers for several years- she never had trouble making left turns.

    Jeff

    Report
  7. Ben Fox
    Archived post
    #7

    I have a med size p-38 with a 20" front wheel and I assume the fork is a 16" since the clearance
    between wheel and fork is close with a Conti tire. I had a Shimano RX or XT mounted on the rear of
    the fork. I decided to change to a 105 brake set and fou nd the reach of the front brake was too
    short to mount on the rear of the fork. It works great mounted on the front ,but to allow turning
    clearance you must modify the brake so the cable comes in from the bottom instead of the top. I put
    a loop in the cable and used the threaded cable adjuster in the bottom
    . To clamp the cable on the top I used another threaded cable adjuster and using a Dremel tool I cut
    a slot in it to allow the cable to be clamped by a nut . I can get a pic of it if anyone wants to
    see it. Ben Fox "Jeff Wills" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    "Alex" <[email hidden]> wrote in message


    news:<[email hidden]>...

    Quoted message said:
    Quoted message said:

    I purchased a used P38 that had a 16" wheel on the front. I then


    purchased

    Quoted message said:
    Quoted message said:

    a 20" wheel for it and put it on. The brakes could of course no longer contact the wheel and the
    clearance to the fork was minimal. The only


    brake

    Quoted message said:
    Quoted message said:

    I could buy at the local dealer was a 105 calliper brake that now stops


    me

    Quoted message said:
    Quoted message said:

    from making left turns. Does anyone know if Lightning supplies a longer fork for bikes with a
    20" wheel than with a 16" wheel? Does anyone


    know

    Quoted message said:
    Quoted message said:

    what brake I can use that will give the necessary clearances to the


    frame?

    Quoted message said:
    Quoted message said:


    Many thanks

    Alex

    Something's weird here. I've used "normal-reach" caliper brakes on my Lightnings for many years.
    Turning to the right or left should not be restricted if the caliper is mounted on the back of the
    fork. Fuzzy picture here: pacifier.comphoto 3.html

    You probably can't do this with modern short-reach calipers. Fortunately, Shimano now makes
    normal-reach (47-57mm) calipers in two grades: R-600/Ultegra (
    harriscyclery.netpage.cfm ) and RX-100 (
    harriscyclery.netpage.cfm )

    My wife used the RX-100 calipers for several years- she never had trouble making left turns.

    Jeff

    Report

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