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Search: Posts Made By: ser_gio
Showing results 1 to 27 of 27
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Forum: Bicycle Mechanics
12-27-22, 08:47 AM
Replies: 17
Views: 703
Posted By SurferRosa

I'd replace it with the all-chromed Sunrace...

I'd replace it with the all-chromed Sunrace 7-speed. (Under $25 shipped.) The all-chromed models are their best quality product. The cogs are ramped, so shifting will improve.
...
Forum: Bicycle Mechanics
12-25-22, 01:29 PM
Replies: 17
Views: 703
Posted By Schweinhund

I have a theory, one of the more knowledgeable...

I have a theory, one of the more knowledgeable members here can verify or shoot it down (probably both!)
Wear on a cog doesn't start with the teeth, but the transition between the teeth. the teeth...
Forum: Bicycle Mechanics
12-23-22, 01:36 PM
Replies: 17
Views: 703
Posted By zandoval

Shimano MF-TZ30Tourney Freewheel (14-34T 6 Speed)...

Shimano MF-TZ30Tourney Freewheel (14-34T 6 Speed) Three of this particular Freewheel I have used emitted a Cluck/Click after moderate wear. All the teeth looked like they were still usable but the...
Forum: Bicycle Mechanics
12-23-22, 01:11 PM
Replies: 17
Views: 703
Posted By Lombard

Check your derailleur alignment before you start...

Check your derailleur alignment before you start replacing parts.
Forum: Bicycle Mechanics
12-23-22, 08:15 AM
Replies: 17
Views: 703
Posted By dedhed

Depends on friction or index

Depends on friction or index
Forum: Bicycle Mechanics
12-23-22, 07:53 AM
Replies: 17
Views: 703
Posted By mitchmellow62

Spot on Andrew R. Stewart! Suntour is/was a...

Spot on Andrew R. Stewart! Suntour is/was a somewhat sad case: perhaps David and Goliath with Goliath winning. Time to move on at this point.
Forum: Bicycle Mechanics
12-22-22, 11:48 PM
Replies: 17
Views: 703
Posted By Andrew R Stewart

As the years have gone by after the non SR...

As the years have gone by after the non SR SunTour ended I find it less and less worthwhile to invest much in an indexed SunTour system. The cog to cog spacing and lever cable pull amounts were...
Forum: Bicycle Mechanics
12-22-22, 06:44 PM
Replies: 17
Views: 703
Posted By FBinNY

Two points 1- the pictured freewheel is...

Two points

1- the pictured freewheel is close to new condition as far as wear goes.

2- it's rare, but not unheard of, for wear to cause skipping on any of the larger freewheel sprockets. So,...
Forum: Bicycle Mechanics
12-22-22, 06:05 PM
Replies: 17
Views: 703
Posted By 79pmooney

Skips only in #6? It's been ridden by someone...

Skips only in #6? It's been ridden by someone with one favorite gear. Very common. Now SunTour made lots of spare cogs and unscrewing them and screwing on a new wasn't hard (before 30 years of...
Forum: Bicycle Mechanics
12-22-22, 03:37 PM
Replies: 17
Views: 703
Posted By Schweinhund

If you're wanting to keep it all original, it...

If you're wanting to keep it all original, it could be a job for Pastor Bob's freewheel Spa (https://www.freewheelspa.com/)
Pastor Bob is a forum member here, And he fractures, fixes and fine tunes...
Forum: Bicycle Mechanics
12-22-22, 03:23 PM
Replies: 17
Views: 703
Posted By Dave Mayer

Doesn't look particularly worn to me. When you...

Doesn't look particularly worn to me. When you refer to the 6th cog, do you mean the second smallest, which looks somewhat more worn than the rest? And when you indicate 'skips' do you mean that...
Forum: Bicycle Mechanics
12-01-22, 08:10 AM
Replies: 33
Views: 928
Posted By JohnDThompson

There's nothing new under the sun… ...

There's nothing new under the sun…
http://oldbike.files.wordpress.com/2008/08/1932raleigh6.jpg?w=445&h=636&h=636
https://onlinebicyclemuseum.co.uk/1935-raleigh-x-frame/
Forum: Bicycle Mechanics
12-01-22, 01:46 AM
Replies: 33
Views: 928
Posted By maddog34

like i mentioned earlier... seats AND posts get...

like i mentioned earlier... seats AND posts get swapped as a unit fairly often... those 6 piece steel rail clamps baffle most folks. Seat gets a hole or cracks from age, Swap the entire thing from a...
Forum: Bicycle Mechanics
12-01-22, 01:40 AM
Replies: 33
Views: 928
Posted By maddog34

Cool Lookin' Bike, Dude! it's a step up from the...

Cool Lookin' Bike, Dude! it's a step up from the Bianchi MTB's of that age i've seen... Well worth Restoring.... REMEMBER.. As you clean up the Frame tube, the DEBRIS will fall Into The Bottom...
Forum: Bicycle Mechanics
12-01-22, 12:38 AM
Replies: 33
Views: 928
Posted By Miele Man

I have a bike that had a fairly tight seatpost...

I have a bike that had a fairly tight seatpost that was tighter than it should have been. I wrapped some wet/dry paper around a thick wood dowel and carefully sanded off the built up gunk on the...
Forum: Bicycle Mechanics
11-30-22, 11:07 PM
Replies: 33
Views: 928
Posted By FBinNY

More proof that a picture is worth a thousand...

More proof that a picture is worth a thousand words. Both the problem and solution are now obvious.

The problem is the rust, and the post will fit perfectly with a light sanding to remove it. Or...
Forum: Bicycle Mechanics
11-30-22, 09:14 PM
Replies: 33
Views: 928
Posted By Andrew R Stewart

BioPace, U brakes, "X" frame design... a classic...

BioPace, U brakes, "X" frame design... a classic example of the early 1990s attempts to better the MtB experience. At least Bianchi saw the reason to not install the rear U brake on the chainstay
...
Forum: Bicycle Mechanics
11-29-22, 01:09 PM
Replies: 33
Views: 928
Posted By SurferRosa

I would use sandpaper on the post to remove 0.1mm...

I would use sandpaper on the post to remove 0.1mm all the way around. That will be 0.2mm in diameter.
Forum: Bicycle Mechanics
11-28-22, 06:39 PM
Replies: 33
Views: 928
Posted By maddog34

i've only had a couple Bianchi MTBs thru my...

i've only had a couple Bianchi MTBs thru my place.. both were heavy tanks hung with low-mid grade parts. i'm guessing from memory, but i think the posts were chromed steel... i recall thinking how...
Forum: Bicycle Mechanics
11-28-22, 05:46 PM
Replies: 33
Views: 928
Posted By FBinNY

It's VERY simple. If a 27.2mm post fit at all,...

It's VERY simple. If a 27.2mm post fit at all, it's the right size and a 27.0 will be too small. It is physically impossible to insert a post which is 0.2mm oversize.

The tightness may be because...
Forum: Bicycle Mechanics
11-28-22, 09:47 AM
Replies: 33
Views: 928
Posted By joesch

Since you are not in a hurry to replace or remove...

Since you are not in a hurry to replace or remove the seat post, you can apply a "penetrating" lubricant daily or weekly until you are able to remove it. Lesson learned, caliper correct size next...
Forum: Bicycle Mechanics
11-28-22, 05:58 AM
Replies: 33
Views: 928
Posted By smd4

I’m wondering why a 1992 Bianchi seatpost would...

I’m wondering why a 1992 Bianchi seatpost would be rusty.

Were any still made of steel by that point?
Forum: Bicycle Mechanics
11-28-22, 03:34 AM
Replies: 33
Views: 928
Posted By nomadmax

For measuring the ID of a seat tube, use a bore...

For measuring the ID of a seat tube, use a bore gauge (then use the calipers on that). Start there.
Forum: Bicycle Mechanics
11-28-22, 01:59 AM
Replies: 33
Views: 928
Posted By maddog34

Consider how rusty that old seat post is... the...

Consider how rusty that old seat post is... the Seat Tube will be likewise rusted.
the tube needs to be cleaned up and carefully measured with an Accurate Device and practiced hands.
If you don't...
Forum: Classic & Vintage
11-25-22, 03:28 PM
Replies: 11
Views: 571
Posted By wrk101

Cheap digital calipers can be had on Amazon or...

Cheap digital calipers can be had on Amazon or other sources. The more you need to do stuff yourself, the more you need basic and accurate measurement. devices and tools.


Here in the USA, Amazon...
Forum: Classic & Vintage
11-25-22, 09:11 AM
Replies: 11
Views: 571
Posted By Hondo6

Did some further checking. The Trek doc...

Did some further checking.

The Trek doc above says the hubs are "Shimano Acera X Parallex". The only "Acera X Parallex" rear hub I could find reference to was the FH-M290. All versions of that...
Forum: Classic & Vintage
02-22-10, 12:35 PM
Replies: 26,820
Views: 3,970,784
Posted By gna

My wife and I will be there on our '72-'73...

My wife and I will be there on our '72-'73 Sports:
http://i172.photobucket.com/albums/w38/gna_photo/DSCN2273JPG.jpg

http://i172.photobucket.com/albums/w38/gna_photo/DSCN2228JPG.jpg

I'm...
Showing results 1 to 27 of 27


 
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