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Search: Posts Made By: mpetry912
Showing results 1 to 50 of 1000
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Forum: Classic & Vintage
05-05-24, 10:25 PM
Replies: 6
Views: 140
Posted By mpetry912

BertoBerg looks like there are SOME parts in...

BertoBerg looks like there are SOME parts in there but you should assume that the hardware kit is not complete

Easy to find on ebay

/markp
Forum: Classic & Vintage
05-05-24, 10:07 PM
Replies: 6
Views: 140
Posted By mpetry912

these are later model post 1978 Catalog Ref...

these are later model post 1978

Catalog Ref #601 and 602

they do not look new despite the bag and I do not see the necessary spacers and bushings

/markp
Forum: Classic & Vintage
05-05-24, 09:02 PM
Replies: 5
Views: 209
Posted By mpetry912

looking forward to a ride report on this one. ...

looking forward to a ride report on this one. Quinns were supposed to have pretty radical handling and geometry.

/markp
Forum: Classic & Vintage
05-05-24, 08:32 PM
Replies: 8
Views: 162
Posted By mpetry912

on the rear assuming 126 OLD and 40 spokes 3...

on the rear assuming 126 OLD and 40 spokes 3 cross to 612 ERD I'm getting

293.6 for the NDS (round up to 294)
291.8 for the DS (round up to 292)

for the front 295.4 or round up to 296
...
Forum: Classic & Vintage
05-05-24, 07:41 PM
Replies: 8
Views: 162
Posted By mpetry912

what rims are you using ? I can run that thru...

what rims are you using ? I can run that thru my tool here.

/markp
Forum: Classic & Vintage
05-05-24, 07:22 PM
Replies: 8
Views: 162
Posted By mpetry912

it would be helpful to know what rims you are...

it would be helpful to know what rims you are using and what cross - 3x (recommended) or 4x ??

help us help you

/markp
Forum: Classic & Vintage
05-05-24, 07:15 PM
Replies: 8
Views: 162
Posted By mpetry912

for the early 3 piece Phil hubs I have used these...

for the early 3 piece Phil hubs I have used these dimensions with good result

special note: Some Phil rear hubs were spaced to customer request. Measure twice, cut once, as Phil himself told me in...
Forum: Bicycle Mechanics
05-05-24, 02:23 PM
Replies: 33
Views: 473
Posted By mpetry912

Like wear bars on a tire ! so I guess that rim...

Like wear bars on a tire ! so I guess that rim has lots of miles left in it

/markp
Forum: Bicycle Mechanics
05-05-24, 08:58 AM
Replies: 33
Views: 473
Posted By mpetry912

that sidewall looks pretty badly scored. ...

that sidewall looks pretty badly scored.

here in the Pac NW we have seen the black crud from winter riding become an abrasive and wear thru rim sidewalls over several seasons.

I know of at...
Forum: Classic & Vintage
05-05-24, 08:54 AM
Replies: 11
Views: 203
Posted By mpetry912

depending on the frame's braze ons you may need...

depending on the frame's braze ons you may need the special stepped end piece.

hard to find. I have a few.

/markp
Forum: General Cycling Discussion
05-05-24, 08:44 AM
Replies: 11
Views: 314
Posted By mpetry912

ridewithGPS is so much better than Strava it's...

ridewithGPS is so much better than Strava it's not even funny

/markp
Forum: Classic & Vintage
05-04-24, 02:58 PM
Replies: 35
Views: 888
Posted By mpetry912

unworthy1 I have never seen a headset top nut...

unworthy1 I have never seen a headset top nut like that ! pretty cool

/markp
Forum: Bicycle Mechanics
05-04-24, 02:54 PM
Replies: 5
Views: 128
Posted By mpetry912

they are probably just manufacturing lot numbers....

they are probably just manufacturing lot numbers.

not a detail worth worrying about.

there MAY be "left" and "right" pads on your brake, but at least the 8000 series pads that I have will...
Forum: Bicycle Mechanics
05-04-24, 11:19 AM
Replies: 24
Views: 488
Posted By mpetry912

Sorry to disappoint you but you've answered your...

Sorry to disappoint you but you've answered your own question. The steel rule method is good.

/markp
Forum: Bicycle Mechanics
05-04-24, 11:16 AM
Replies: 24
Views: 426
Posted By mpetry912

depends on where you live. I use just a quick...

depends on where you live. I use just a quick spritz of automotive degreaser, and then soapy water (dawn ultra) with a splash of kerosene, scrub with a toothbrush, spray rinse with hose, blow off...
Forum: Classic & Vintage
04-30-24, 05:24 PM
Replies: 44
Views: 1,100
Posted By mpetry912

if you still have the bike apart and have 2 spare...

if you still have the bike apart and have 2 spare balls, running loose balls in the lower cup is a good thing.

just turn it upside down to assemble, and use a sticky grease.

/markp
Forum: Classic & Vintage
04-30-24, 04:24 PM
Replies: 130
Views: 10,572
Posted By mpetry912

the Dinucci /markp ...

the Dinucci

/markp

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/1934x1283/atbeach_apr24_d1d78584539c63f69055cc34f24ef4b38180f9e4.jpg
Forum: Classic & Vintage
04-30-24, 09:41 AM
Replies: 26
Views: 697
Posted By mpetry912

repechage will know if anyone does /markp

repechage will know if anyone does

/markp
Forum: Classic & Vintage
04-28-24, 01:17 PM
Replies: 74
Views: 2,076
Posted By mpetry912

the teeter totter argument is not right. ...

the teeter totter argument is not right.

Imagine two kids, 50 lb each, on the seats, one one each side of the teeter totter. up, down, up down.

now one kid dismounts and sits on on the...
Forum: Classic & Vintage
04-28-24, 12:53 PM
Replies: 44
Views: 1,100
Posted By mpetry912

don't trim the fork. Add a thin headset spacer. ...

don't trim the fork. Add a thin headset spacer.

/markp
Forum: Classic & Vintage
04-28-24, 07:57 AM
Replies: 74
Views: 2,076
Posted By mpetry912

torque is expressed as length of the lever arm...

torque is expressed as length of the lever arm and the force applied. Foot-pounds, newton-meters etc.

the accurate application of a torque value is achieved by having your hand on the handle, as...
Forum: Classic & Vintage
04-26-24, 01:06 PM
Replies: 14
Views: 512
Posted By mpetry912

that's a real neat part, I especially like the...

that's a real neat part, I especially like the colleted upper nut that compresses as you tighten it.

that said, I would not install that on a bike I was going to ride. No spare parts available and...
Forum: Classic & Vintage
04-26-24, 12:08 PM
Replies: 74
Views: 2,076
Posted By mpetry912

I would suggest to you that 300 inch / lb is too...

I would suggest to you that 300 inch / lb is too much torque for Campy cranks. I believe you are at risk of splitting the arms at that torque level.

Campy arms are quite soft and just blindly...
Forum: Classic & Vintage
04-26-24, 11:46 AM
Replies: 9
Views: 399
Posted By mpetry912

who makes this one ? haha /markp ...

who makes this one ? haha

/markp
https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/646x764/silca_cage_rainbow_b4399408d9e2683a28f8135adbd8b81749a9ecde.jpg
Forum: General Cycling Discussion
04-24-24, 03:34 PM
Replies: 27
Views: 1,146
Posted By mpetry912

Agreed. Same discussion with riders who insist...

Agreed. Same discussion with riders who insist that their wheels are tensioned to 140KgF. Why ? Because they saw it in a GCN video on YouTube.

If you want to run equipment that is super...
Forum: General Cycling Discussion
04-24-24, 03:30 PM
Replies: 6
Views: 299
Posted By mpetry912

I think maybe you bought a size too small ? or...

I think maybe you bought a size too small ? or the heel tab is just too tall ?

that said, the Shimano shoes have gotten narrower over the last few years. The latest pair I bought was just too...
Forum: Bicycle Mechanics
04-24-24, 01:03 PM
Replies: 23
Views: 511
Posted By mpetry912

Mine /markp ...

Mine

/markp

https://cimg4.ibsrv.net/gimg/bikeforums.net-vbulletin/747x516/912toolkit1_d409d3b1196dc33f8cb12875970ede3e5f52b098.jpg
Forum: Bicycle Mechanics
04-24-24, 08:59 AM
Replies: 38
Views: 1,035
Posted By mpetry912

I looked at the pics and I see several things but...

I looked at the pics and I see several things but this is the big problem. Either the brake posts are assymetric (unlikely) or you have something else set up wrong on the brakes. I disagree with your...
Forum: General Cycling Discussion
04-22-24, 08:31 AM
Replies: 29
Views: 1,011
Posted By mpetry912

that's the one with the single leg fork ! never...

that's the one with the single leg fork ! never looked right to me.

too much bending moment on the front axle.

/markp
Forum: Classic & Vintage
04-21-24, 06:51 PM
Replies: 29
Views: 1,228
Posted By mpetry912

maybe a 35 Rear and 32 front? larger frames...

maybe a 35 Rear and 32 front?

larger frames tend to have more of the weight distribution on the rear wheel.

yes, very nice bike

/markp
Forum: Bicycle Mechanics
04-21-24, 02:03 PM
Replies: 40
Views: 1,450
Posted By mpetry912

suggest you use LESS pressure - just a few PSI -...

suggest you use LESS pressure - just a few PSI - when installing.

these tubes are quite stretchy

/markp
Forum: Bicycle Mechanics
04-21-24, 01:44 PM
Replies: 17
Views: 518
Posted By mpetry912

here's what I'd do. draw a line with a sharpie to...

here's what I'd do. draw a line with a sharpie to indicate the post's height that you want

take it out

below the line, use your automatic center punch (or heck even a regular punch with a...
Forum: Bicycle Mechanics
04-21-24, 10:37 AM
Replies: 30
Views: 1,412
Posted By mpetry912

hey sweeks, thanks buddy, some real information...

hey sweeks, thanks buddy, some real information as opposed to speculation, appreciate it !

Mtracer am I to understand that that the link that failed was immediately adjacent to the removeable...
Forum: Classic & Vintage
04-20-24, 05:01 PM
Replies: 14
Views: 442
Posted By mpetry912

get a longer bolt and use that to squeeze the...

get a longer bolt and use that to squeeze the ears of the bracket together

then re-install the original if you can make it fit

I do not care for this type of clamp.

you might line the inside...
Forum: Classic & Vintage
04-20-24, 04:50 PM
Replies: 24
Views: 792
Posted By mpetry912

way better than when it left St. Etienne ...

way better than when it left St. Etienne

/markp
Forum: Bicycle Mechanics
04-20-24, 04:49 PM
Replies: 20
Views: 479
Posted By mpetry912

just run the chain across your fingers, you may...

just run the chain across your fingers, you may feel a popped link

almost now way to fix it. are 10 speed cassettes and chains still available at reasonable prices ?

probably need to replace...
Forum: Classic & Vintage
04-20-24, 09:54 AM
Replies: 24
Views: 792
Posted By mpetry912

very nice with many cool details. Ernest Csuka...

very nice with many cool details. Ernest Csuka would nod in approval.

/markp

https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/1276x957/singer22_eb74e445a3bc1d764dfb01bcda877933c6638a95.jpg
Forum: Classic & Vintage
04-16-24, 01:46 PM
Replies: 16
Views: 700
Posted By mpetry912

the great Jon Williams RIP (aka Drillium) had an...

the great Jon Williams RIP (aka Drillium) had an anodizing shop in Medford OR that he "trained up" to closely replicate the silver gray of Campy components.

I have a set of his lightly machined...
Forum: Bicycle Mechanics
04-16-24, 09:47 AM
Replies: 10
Views: 511
Posted By mpetry912

spray some boeshield or WD40 in there beforehand...

spray some boeshield or WD40 in there beforehand ?

and grease or anti seize on the bolt threads

/markp
Forum: Bicycle Mechanics
04-16-24, 08:06 AM
Replies: 30
Views: 1,412
Posted By mpetry912

you got acceptable life out that chain at 4000...

you got acceptable life out that chain at 4000 miles.

Do you monitor chain wear with the Shimano guage ? a worn chain will wear out the cassette

ONCE in my cycling career I had a chain do this....
Forum: Classic & Vintage
04-15-24, 03:24 PM
Replies: 17
Views: 512
Posted By mpetry912

Jim Cunninham at Cycle Art used graphic design...

Jim Cunninham at Cycle Art used graphic design tools on a Mac to create repop decals, this was a key part of his business starting up in the mid-90s.

Can start with a scan of an existing decal or...
Forum: General Cycling Discussion
04-15-24, 12:23 PM
Replies: 30
Views: 1,322
Posted By mpetry912

now I use 80 PSI on most road bike tires (28s)...

now I use 80 PSI on most road bike tires (28s) maybe a little less on hot days.

there's no single right answer, and more info is often confusing to people who are relatively new to the sport
...
Forum: Classic & Vintage
04-14-24, 02:34 PM
Replies: 48
Views: 1,596
Posted By mpetry912

also you want to look closely at the place where...

also you want to look closely at the place where the head tube and downtube join - looks for any signs of paint cracking or flaking off - this is almost certainly signs of crash damage.

is the...
Forum: Bicycle Mechanics
04-14-24, 11:41 AM
Replies: 33
Views: 1,290
Posted By mpetry912

I'm with squirtdad above. consider if you...

I'm with squirtdad above. consider if you really want to put the time and effort into this bike

look at your local Craigslist and see what you can find for $250. Find somebody who can help you...
Forum: Bicycle Mechanics
04-14-24, 11:38 AM
Replies: 13
Views: 475
Posted By mpetry912

I do not regard any statements about bottom...

I do not regard any statements about bottom bracket sizing seen on "a website" to be anything more than a starting point.

and I've never had a chainline problem, but I use Phil BBs on most of my...
Forum: Bicycle Mechanics
04-14-24, 09:42 AM
Replies: 21
Views: 852
Posted By mpetry912

the other thing I noticed from the "very helpful"...

the other thing I noticed from the "very helpful" pic was that the FD cage is dragging against / being restricted by the pants guard ?

am I seeing that right ?

/markp
Forum: Bicycle Mechanics
04-14-24, 09:20 AM
Replies: 13
Views: 475
Posted By mpetry912

Look over the freewheel cogs toward the...

Look over the freewheel cogs toward the chainrings - ideally the middle cog on the freewheel will like up with the middle chainring, in plane.

this is the "gun site method"

there are other ways...
Forum: Bicycle Mechanics
04-14-24, 09:16 AM
Replies: 33
Views: 1,290
Posted By mpetry912

remember the front brake does about 70% of the...

remember the front brake does about 70% of the stopping effort so if you can't find a full set of brakes, just a pair, installed on the front, will help. And you might look for levers too, bikes at...
Forum: General Cycling Discussion
04-14-24, 08:55 AM
Replies: 7
Views: 360
Posted By mpetry912

agreed mostly with the above. Questions like...

agreed mostly with the above. Questions like "will X work with Y" where X and Y come from different manufacturers, and maybe even generations of components, are very difficult to answer with the...
Forum: Electric Bikes
04-13-24, 10:01 AM
Replies: 19
Views: 945
Posted By mpetry912

yes, I still ride (and enjoy) the lightweight...

yes, I still ride (and enjoy) the lightweight bike. The ebike is great for a trip to the grocery store or riding in less than great weather.

/markp
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