My first Track frame build
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Le Crocodile
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My first Track frame build
Collecting the bits-
74 head/74 seat "Cinelli" style lugs-
24mm track blades with Silva crown-
Standard diameter tubeset-
56cm c/c seat tube-
Anybody have some neat recipes?
74 head/74 seat "Cinelli" style lugs-
24mm track blades with Silva crown-
Standard diameter tubeset-
56cm c/c seat tube-
Anybody have some neat recipes?
Last edited by Erzulis Boat; 10-16-08 at 07:00 PM.
#3
Le Crocodile
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Some good ideas on geometry that would be relevant to the 56cm frame, TT Cs length etc.
I have some sketches, and working with the 74/74 lugs, I could run it square 56-56 or maybe 56-55 my road frames have run square and my slacker machine ran 56-56.8
Fork rake/trail is the real question here, my last build was 53mm rake (74.5 Head) and I did a mellow blade bend, so it appeared "tighter" than it actually was (rode great, the guy who has it now still says it rides superb!) but since I am using track blades and crown, I wanna have some fun and maybe go as low as 30............BUT, since this will be a streetable frame, overlap has to be considered. With clipless, I can usally get away with a cm more overlap over quill/clip/strap.
ETA- FC that I can get away with (clipless- with 167.5 track cranks) without hitting is 59.9, hitting the front is no big deal, I just don't want a ton.
I have some sketches, and working with the 74/74 lugs, I could run it square 56-56 or maybe 56-55 my road frames have run square and my slacker machine ran 56-56.8
Fork rake/trail is the real question here, my last build was 53mm rake (74.5 Head) and I did a mellow blade bend, so it appeared "tighter" than it actually was (rode great, the guy who has it now still says it rides superb!) but since I am using track blades and crown, I wanna have some fun and maybe go as low as 30............BUT, since this will be a streetable frame, overlap has to be considered. With clipless, I can usally get away with a cm more overlap over quill/clip/strap.
ETA- FC that I can get away with (clipless- with 167.5 track cranks) without hitting is 59.9, hitting the front is no big deal, I just don't want a ton.
Last edited by Erzulis Boat; 10-17-08 at 08:39 AM.
#4
Le Crocodile
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For example-
Run the TT long, the rake sub 30 and have the front tire almost rub the DT. Run short CS.
For fun, maybe a bike that runs a longer (than normal track TT) toptube, but has the "packed in look". Since this frame is for fun riding and not real track racing, anything can be done.
I love how the crown (Silva) is relieved for the tire, so to keep the theme, I gotta run things tight all over (tires to tubes) but the bike needs to be somewhat streetable-
Run the TT long, the rake sub 30 and have the front tire almost rub the DT. Run short CS.
For fun, maybe a bike that runs a longer (than normal track TT) toptube, but has the "packed in look". Since this frame is for fun riding and not real track racing, anything can be done.
I love how the crown (Silva) is relieved for the tire, so to keep the theme, I gotta run things tight all over (tires to tubes) but the bike needs to be somewhat streetable-