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Search: Posts Made By: mpetry912
Showing results 1 to 50 of 1000
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Forum: Classic & Vintage
09-14-24, 11:43 AM
Replies: 31
Views: 4,645
Posted By mpetry912

as someone said above, the Tekto dual pivot...

as someone said above, the Tekto dual pivot brakes are really great.

maybe just find a single and use it on the front

/markp
Forum: Bicycle Mechanics
09-10-24, 08:24 PM
Replies: 24
Views: 571
Posted By mpetry912

for sure run loose balls at least in the lower...

for sure run loose balls at least in the lower race for sure, or replace with a Stronglight A9 lower cup assy and forget about it

/markp
Forum: Classic & Vintage
09-09-24, 01:36 PM
Replies: 38
Views: 4,599
Posted By mpetry912

The JA Stein knurling will fix that slipping...

The JA Stein knurling will fix that slipping seatpost problem.

When I got the DiNucci, Mark told me to measure a bunch of seat posts and find the one that was the most dimensionally accurate...
Forum: Classic & Vintage
09-09-24, 01:15 PM
Replies: 30
Views: 3,275
Posted By mpetry912

I love books and have 100s of them but agree with...

I love books and have 100s of them but agree with the above ! the kindle app lets me carry many books and keeps my place, and so much easier to carry when travelling.

/markp
Forum: Classic & Vintage
09-09-24, 01:02 PM
Replies: 38
Views: 4,599
Posted By mpetry912

I have these single bolt seatpost on several...

I have these single bolt seatpost on several bikes and zero problems.

Mine are resto-modded. the shaft has been replaced by a 27.2 mm titanium tube, Bob Freeman does these and they are longer and...
Forum: Bicycle Mechanics
09-08-24, 01:38 PM
Replies: 28
Views: 994
Posted By mpetry912

Maybe. on some stuff like quick release skewers,...

Maybe. on some stuff like quick release skewers, brake blocks etc I consider those safety critical failure points so I don't take chances and I suggest you not do so either.

People normalize...
Forum: Bicycle Mechanics
09-08-24, 10:15 AM
Replies: 28
Views: 994
Posted By mpetry912

don't ride those anymore. if the front quick...

don't ride those anymore. if the front quick release opens while riding you will likely go down.

/markp
Forum: Bicycle Mechanics
09-08-24, 10:11 AM
Replies: 4
Views: 168
Posted By mpetry912

I use a dura ace puller on campagnolo cranks all...

I use a dura ace puller on campagnolo cranks all the time. works fine !

but if you don't remove the crank, at least put some blue tape on the chainstay so you don't scratch it up when removing...
Forum: Classic & Vintage
09-08-24, 08:47 AM
Replies: 229
Views: 10,560
Posted By mpetry912

Pic of the man himself. Hope he his OK in his...

Pic of the man himself. Hope he his OK in his new home

/markp

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/947x679/robvolz_a4306fecfa9d4fbc6bb1b47eb2cd0ab9a3f5a6c4.jpg
Forum: Classic & Vintage
09-04-24, 07:00 PM
Replies: 46
Views: 2,120
Posted By mpetry912

The VAR 939 is not a brake tool. It's for...

The VAR 939 is not a brake tool.

It's for holding he back side of the chainring bolt while you tighten or loosen

/markp
Forum: Bicycle Mechanics
09-03-24, 05:33 PM
Replies: 82
Views: 2,683
Posted By mpetry912

find a really well built set of wheels and "ping"...

find a really well built set of wheels and "ping" them. Listen to the tone.

that will be a quick indication of the state of spoke tension. Plus you can find "the loose one" or "the tight one"
...
Forum: Classic & Vintage
09-02-24, 01:58 PM
Replies: 65
Views: 2,796
Posted By mpetry912

I think Gary's technique was to use a rotary file...

I think Gary's technique was to use a rotary file to smooth the welds. Not the Chris Kvale / Cecil Behringer braze titanium technique

confente here has a complete bike made by Gary. I have never...
Forum: Classic & Vintage
09-02-24, 12:23 PM
Replies: 38
Views: 4,599
Posted By mpetry912

Italuminium forget "friction paste" or "gritty...

Italuminium forget "friction paste" or "gritty grease". they are hokum

take your automatic center punch and put half a dozen "dimples" in the clamping area on the post, both sides, as shown by the...
Forum: Classic & Vintage
09-02-24, 11:37 AM
Replies: 65
Views: 2,796
Posted By mpetry912

I dug out this stem from the late 90s made by ......

I dug out this stem from the late 90s made by ... Gary Helfrich. it is titanium. and it is beautiful.

/markp
...
Forum: Classic & Vintage
09-02-24, 10:58 AM
Replies: 20
Views: 953
Posted By mpetry912

+1 on this. you can just "dimple" the crown race...

+1 on this. you can just "dimple" the crown race with 4 punch indents 90 degrees apart and see if that makes the crown race fit better.

I have the wonderful Stein khurling tool and it's...
Forum: Classic & Vintage
09-02-24, 10:38 AM
Replies: 118
Views: 18,307
Posted By mpetry912

I have the Busch & Muller mirrow, it is nice but...

I have the Busch & Muller mirrow, it is nice but not very stable on the ball - too easy to knock out of alignment.

they offer a number of others here - Busch and Muller Mirror | Propel Electric...
Forum: Bicycle Mechanics
09-02-24, 09:55 AM
Replies: 23
Views: 947
Posted By mpetry912

any idea what pressure these tires have seen ? ...

any idea what pressure these tires have seen ?

I run these tires on several different bikes at 80 psi and zero problems

/markp
Forum: Bicycle Mechanics
09-01-24, 08:59 AM
Replies: 22
Views: 795
Posted By mpetry912

Bilz don't believe everything (anything) you read...

Bilz don't believe everything (anything) you read on Face Book.

it's a mind virus. buy a real SRAM or other quality unit and keep on smiling.

Save yourself a lot of trouble.

/markp
Forum: Classic & Vintage
08-31-24, 04:15 PM
Replies: 7
Views: 296
Posted By mpetry912

It could be french if a Huret drop out or the...

It could be french if a Huret drop out or the standard M10X1 if campagnolo dropout.

/markp
Forum: Classic & Vintage
08-31-24, 10:34 AM
Replies: 17
Views: 854
Posted By mpetry912

the gold standard of provenance is that it should...

the gold standard of provenance is that it should be unambiguous. For a real collector this bike does not meet that standard.

"a Cobra that was once driven by Carroll Shelby" is not good enough....
Forum: Classic & Vintage
08-23-24, 01:56 PM
Replies: 25
Views: 1,049
Posted By mpetry912

you can start at Yodobashi Akihabara which is...

you can start at Yodobashi Akihabara which is quite a place.

/markp
Forum: Classic & Vintage
08-23-24, 01:51 PM
Replies: 28
Views: 1,286
Posted By mpetry912

looks like too short or too small seatpost. ...

looks like too short or too small seatpost.

Frame is history. Not safe to ride. Do not JB Weld

/markp
Forum: Classic & Vintage
08-22-24, 08:01 AM
Replies: 65
Views: 2,796
Posted By mpetry912

I have one made by Gary Helfrich this is...

I have one made by Gary Helfrich this is stunning. welds all smoothed out, mirror polished. I'll dig it out and share a pic

some good examples here.

/markp
Forum: Classic & Vintage
08-21-24, 09:45 AM
Replies: 33
Views: 1,443
Posted By mpetry912

you don't need to remove the dust caps to repack...

you don't need to remove the dust caps to repack the hubs.

you can wipe out the races with your little finger or a Q tip.

I use a synthetic grease that I'm very happy with - "Syn Lube"

/markp
Forum: Classic & Vintage
08-18-24, 04:48 PM
Replies: 17
Views: 485
Posted By mpetry912

maybe new tires too ? "keeping it vintage" only...

maybe new tires too ? "keeping it vintage" only gets you so far.

If they hold air

/markp
Forum: Bicycle Mechanics
07-11-24, 06:42 AM
Replies: 23
Views: 1,020
Posted By mpetry912

if the old wheel was more or less centered, why...

if the old wheel was more or less centered, why not confirm the correct dishing of the new (or old) wheel ?

as a starting point.

/markp
Forum: Classic & Vintage
07-08-24, 04:34 PM
Replies: 31
Views: 1,200
Posted By mpetry912

these are exceptionally nice bikes, yes, yours...

these are exceptionally nice bikes, yes, yours is, and they were not built on the regular production line at Nantes.

/markp
Forum: Classic & Vintage
07-08-24, 01:21 PM
Replies: 6
Views: 547
Posted By mpetry912

I don't use much "degreaser". and then I just...

I don't use much "degreaser". and then I just squirt more grease in ! EZ. Ceramic bearings in those hubs too

/markp
Forum: Classic & Vintage
07-08-24, 11:01 AM
Replies: 6
Views: 547
Posted By mpetry912

yup I am using the Silca drip (not hot) wax lube...

yup I am using the Silca drip (not hot) wax lube and really like it ! There is very little build up of krud like you used to get with white lightning (horrible stuff)

my cleaning method is just a...
Forum: Classic & Vintage
07-08-24, 10:28 AM
Replies: 6
Views: 547
Posted By mpetry912

Keep a kleen machine !

no "mineral spirits" or Isopropyl Alcohol used here

/markp
https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/1696x1277/kleen_machine_3f8ad477801151bdefd9eb120d7477d4787d1d3e.jpg
Forum: Classic & Vintage
06-20-24, 07:41 PM
Replies: 24
Views: 913
Posted By mpetry912

yup I have done this and it's easy to do, just...

yup I have done this and it's easy to do, just find / cannibalize a longer screw.

will work fine

/markp
Forum: Bicycle Mechanics
06-20-24, 07:40 PM
Replies: 29
Views: 1,909
Posted By mpetry912

+1 on the "bus driver" method. clamp the...

+1 on the "bus driver" method.

clamp the tool into the FW with a quick release and put it in the vice.

you might spray some blaster in there and then get two people to gently but firmly give...
Forum: Classic & Vintage
06-19-24, 08:14 AM
Replies: 9
Views: 668
Posted By mpetry912

Yes. You'd need one about this big /markp ...

Yes. You'd need one about this big

/markp

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1310/pj15_5164e50c7d67f414e7b87cc9a441fca9f870a748.jpg
Forum: Classic & Vintage
06-19-24, 08:10 AM
Replies: 90
Views: 4,271
Posted By mpetry912

did you hear about the three guys that rode...

did you hear about the three guys that rode Walmart bikes in the big gravel race ? was in Kansas I think

/markp
Forum: Bicycle Mechanics
06-19-24, 07:40 AM
Replies: 9
Views: 482
Posted By mpetry912

did you set this bike up yourself ? I...

did you set this bike up yourself ?

I would disconnect the FD cable. With the chain on the inner ring and largest rear cog, use the limit screw to set the FD cage so it Just Barely clears the...
Forum: General Cycling Discussion
06-18-24, 06:21 PM
Replies: 81
Views: 4,060
Posted By mpetry912

Personally I prefer Italian air, imported from...

Personally I prefer Italian air, imported from the Tuscany or Puglia regions. It has a certain "Non so cosa" or "je ne se quois"

and it's cross culturally integrated for maximum market...
Forum: Classic & Vintage
06-18-24, 05:20 PM
Replies: 9
Views: 668
Posted By mpetry912

yes and it has to be tapped thru the BB in one...

yes and it has to be tapped thru the BB in one pass so the threads are "in phase". Pretty hard to do with conventional tooling

/markp
Forum: Classic & Vintage
06-18-24, 04:58 PM
Replies: 9
Views: 668
Posted By mpetry912

we were discussing Pino on CR today. here's a...

we were discussing Pino on CR today. here's a Pino BB in my personal stash

/markp
...
Forum: Classic & Vintage
06-17-24, 01:06 PM
Replies: 10
Views: 503
Posted By mpetry912

it has the flat plate fork crown. Might be 2nd...

it has the flat plate fork crown. Might be 2nd year

VERY first would have been shipped with TA cranks and "bullmoose" stem / bar combo.

I have a Nitto bullmose available

/markp
Forum: General Cycling Discussion
06-16-24, 03:51 PM
Replies: 30
Views: 1,833
Posted By mpetry912

suggest you first try some top quality tires -...

suggest you first try some top quality tires - the Vittoria Corsa or Rene Herse tires are excellent and they have a wonderful ride.

/markp
Forum: General Cycling Discussion
06-16-24, 12:14 PM
Replies: 98
Views: 4,368
Posted By mpetry912

my hands are on the top of the bars, above the...

my hands are on the top of the bars, above the hoods, lets say 80 + percent of the time

you do you

/markp
Forum: Bicycle Mechanics
06-16-24, 10:56 AM
Replies: 31
Views: 1,679
Posted By mpetry912

Spence Wolf built rear wheels with the pulling...

Spence Wolf built rear wheels with the pulling elbow on the inside. His reason was that if you blow the chain off in the low gear, the pulling spokes are not damaged.

however he did not work...
Forum: Classic & Vintage
06-15-24, 04:17 PM
Replies: 20
Views: 655
Posted By mpetry912

you might be able to stretch it to a 7 speed if...

you might be able to stretch it to a 7 speed if you do the adustments carefully.and everything works in your favor

/markp
Forum: Bicycle Mechanics
06-14-24, 02:54 PM
Replies: 43
Views: 1,909
Posted By mpetry912

the Leyzyne pump that I have has a black button...

the Leyzyne pump that I have has a black button that bleeds out the air in the hose - does yours have that ?

I much prefer the Silca or Hirame pump heads for floor pumps at least

/markp
Forum: Classic & Vintage
06-14-24, 07:40 AM
Replies: 24
Views: 895
Posted By mpetry912

you might also consider changing the wheels to...

you might also consider changing the wheels to alloy rims so the brakes work

A set of alloy rims and some spiffy tires (how about the Rene Herse in about 28mm) will absolutely transform the bike
...
Forum: Classic & Vintage
06-11-24, 09:45 PM
Replies: 14
Views: 850
Posted By mpetry912

these are very nice bikes ! /markp

these are very nice bikes !

/markp
Forum: Bicycle Mechanics
06-09-24, 05:59 PM
Replies: 20
Views: 791
Posted By mpetry912

often there is a part number stamped on the back...

often there is a part number stamped on the back of the "Durailleur"

/markp
Forum: General Cycling Discussion
06-09-24, 05:49 PM
Replies: 49
Views: 2,495
Posted By mpetry912

+1 on that Selle SMP saddle. Pretty hard to beat...

+1 on that Selle SMP saddle. Pretty hard to beat for comfort. I have one on the e-bike and they work well

maybe get somebody to post a pic of you as you ride by on your bike.

the group will...
Forum: Classic & Vintage
06-09-24, 04:46 PM
Replies: 23
Views: 1,369
Posted By mpetry912

There are several organizations that do exactly...

There are several organizations that do exactly this work ! suggest you try the following :

https://worldbicyclerelief.org/
https://www.bikesfortheworld.org/...
Forum: Classic & Vintage
06-09-24, 04:43 PM
Replies: 6
Views: 472
Posted By mpetry912

that's pretty cool. and good choice on the rear...

that's pretty cool. and good choice on the rear derailleur. it will shift much better than whatever was on there before

Very nice

/markp
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