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Search: Posts Made By: schnurrp
Showing results 1 to 17 of 17
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Forum: Bicycle Mechanics
10-20-23, 06:52 PM
Replies: 28
Views: 1,173
Posted By dedhed

personally, I'd throw a cartridge in it and be...

personally, I'd throw a cartridge in it and be good other than needing another tool to install it
Forum: Bicycle Mechanics
10-20-23, 06:52 PM
Replies: 28
Views: 1,173
Posted By 3alarmer

...they mostly are there to protect the threading...

...they mostly are there to protect the threading in the crank arms, so you can easily insert the puller and tighten it in place.
A lot of people run without them. Or you can replace with the one...
Forum: Bicycle Mechanics
10-18-23, 08:57 PM
Replies: 28
Views: 1,173
Posted By dedhed

Those are the correct covers for the OP's FC-S105...

Those are the correct covers for the OP's FC-S105 crank. It did not use self extractors

https://manualzz.com/doc/53869411/shimano-fc-s105-set-engkol-exploded-view
Forum: Bicycle Mechanics
10-18-23, 08:55 PM
Replies: 28
Views: 1,173
Posted By 3alarmer

,,,the best penetrating oil is a 50/50 mixture of...

,,,the best penetrating oil is a 50/50 mixture of ATF/acetone. I mix it in a small used Tri-flow bottle, with one of those applicator straws. Apply to the threaded interface between crank and cap,...
Forum: Bicycle Mechanics
10-18-23, 10:53 AM
Replies: 28
Views: 1,173
Posted By 3alarmer

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/bianchi_giro_002_17b9ae7e3a53ae8f34d7d1e19579acc68a05adad.jpg

...you want to drill your holes to end up with something resembling...
Forum: Bicycle Mechanics
10-18-23, 10:51 AM
Replies: 28
Views: 1,173
Posted By 3alarmer

. ...when the hex in those gets rounded out...

.
...when the hex in those gets rounded out like that (not uncommon), the simplest method of extraction is to drill a couple of small holes in the cap, and employ and adjustable pin spanner. But...
Forum: Bicycle Mechanics
10-18-23, 09:55 AM
Replies: 28
Views: 1,173
Posted By Kontact

There are many pictures online of the 600ex self...

There are many pictures online of the 600ex self extracting bolts, and this is not it. Someone replaced those with a normal 14mm bolt and put an aftermarket cap on that was probably 5mm, but is now...
Forum: Bicycle Mechanics
10-18-23, 07:02 AM
Replies: 28
Views: 1,173
Posted By easyupbug

Looks like my caps but with some damage. I would...

Looks like my caps but with some damage. I would also give it some penetrant spray, PB B'laster or the like, at that age things can start coorsion/binding and cause a hex to round out.
Forum: Bicycle Mechanics
10-17-23, 10:24 PM
Replies: 28
Views: 1,173
Posted By Kontact

I don't believe that is the original cover. That...

I don't believe that is the original cover. That crank had 6mm self extracting bolts.

I would try imperial size allens or torx to get it out. It is low torque. Don't put it back in - something is...
Forum: Bicycle Mechanics
08-15-21, 08:38 AM
Replies: 24
Views: 4,826
Posted By 70sSanO

Well my flat bar conversion with the old Cyclone...

Well my flat bar conversion with the old Cyclone road FD and 42t is at 6mm.

My Serotta mtb with Columbus MAX tubing that gets more oval at the dropout wouldn’t let me get closer than 25mm with a...
Forum: Bicycle Mechanics
08-14-21, 04:19 PM
Replies: 24
Views: 4,826
Posted By ThermionicScott

Since we're sharing pictures, here's mine. :) ...

Since we're sharing pictures, here's mine. :)

https://i.imgur.com/oFryUQs.jpg

As it's a "road" front derailleur, I don't have to set it abnormally high over the big ring -- it's at about 2mm.
Forum: Bicycle Mechanics
08-14-21, 12:57 PM
Replies: 24
Views: 4,826
Posted By 70sSanO

Look at the picture. It doesn’t take a mental...

Look at the picture. It doesn’t take a mental giant to see that if a triple front derailleur that can shift just the middle and inner chainrings without lowering it, it can equally shift a double if...
Forum: Bicycle Mechanics
08-14-21, 10:39 AM
Replies: 24
Views: 4,826
Posted By DorkDisk

Have you tries just raising the derailleur so it...

Have you tries just raising the derailleur so it clears the stays?

XT front derailleur will not work with Sora shifters.

ive had good luck with Sora R3k, 28/38 Deore M6K cranks, and Ultegra...
Forum: Bicycle Mechanics
06-18-21, 06:23 AM
Replies: 12
Views: 2,614
Posted By hokiefyd

I think another point of confusion is 74mm BCD is...

I think another point of confusion is 74mm BCD is one standard and you're also measuring ~about~ 74mm between two adjacent holes on your Sora crankset. Because those two measurements are close, it...
Forum: Bicycle Mechanics
06-18-21, 06:20 AM
Replies: 12
Views: 2,614
Posted By hokiefyd

Those are two different measurement points that...

Those are two different measurement points that describe the same thing.

BCD is Bolt Circle Diameter. So if you drew a circle through each of the bolt holes, it would be 74mm in diameter.
...
Forum: Bicycle Mechanics
06-18-21, 06:19 AM
Replies: 12
Views: 2,614
Posted By rmacdona

You are measuring the distance between bolt...

You are measuring the distance between bolt holes. BCD is "Bolt Circle DIAMETER" which is the diameter of a circle that would pass through the centers of all five bolt holes. For the large rings, a...
Forum: Bicycle Mechanics
06-18-21, 06:14 AM
Replies: 12
Views: 2,614
Posted By shelbyfv

BCD is not what you think. Your Sora crank is...

BCD is not what you think. Your Sora crank is likely 130 BCD for the two larger rings, 74 for the small ring. You should read the links provided.
Showing results 1 to 17 of 17


 
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