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Search: Posts Made By: Krov9
Showing results 1 to 50 of 141
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Forum: Classic & Vintage
03-26-24, 10:22 AM
Replies: 3
Views: 343
Posted By Krov9

I have an older version. The plastic clamps...

I have an older version. The plastic clamps deformed before I could get them to stop slipping (my bikes must be too heavy!😃)

I remodeled the clamps a bit and installed beefier hardware - slower to...
Forum: Bicycle Mechanics
03-05-24, 03:21 PM
Replies: 20
Views: 580
Posted By Krov9

For context, I'm converting a French tourer...

For context, I'm converting a French tourer (notorious for low BB's) from 700C to 650B and planning to use these. Cranks are narrow Q though.
...
Forum: Bicycle Mechanics
03-04-24, 11:15 AM
Replies: 20
Views: 580
Posted By Krov9

My idea is that this info would be useful for...

My idea is that this info would be useful for choosing cranks and pedals and if considering going down in wheel/tire size

EDIT: Found it! Right where I should have checked first, Sheldon Brown's...
Forum: Bicycle Mechanics
03-04-24, 11:12 AM
Replies: 10
Views: 340
Posted By Krov9

Yes there is a flat for the washer. I took a...

Yes there is a flat for the washer. I took a caliper to the steerer to confirm it isn't just that, neither only the thread starting nor an optical illusion.

Measured outside the filed flat, the...
Forum: Bicycle Mechanics
03-04-24, 02:46 AM
Replies: 20
Views: 580
Posted By Krov9

Q-factor - pedal strike calculator ?

I remember coming across an Excel form online where you filled certain measurements of your bike (BB height, Q-factor, pedal width) and it told you the angle of lean in which pedal strike happens.
...
Forum: Bicycle Mechanics
03-03-24, 05:36 AM
Replies: 10
Views: 340
Posted By Krov9

Threaded steerer uneven wall thickness

So I got this old bike, and found out the steerer I.D. is out of round!

Fearing that you're gonna tell me to scrap the fork or get a new steerer brazed in, I'm asking how likely this is to cause...
Forum: Classic & Vintage
02-25-24, 03:10 PM
Replies: 6
Views: 862
Posted By Krov9

Nice find! I dig the fork crown and the...

Nice find!

I dig the fork crown and the paint job, also lots of other pretty details
Forum: Classic & Vintage
02-17-24, 01:58 AM
Replies: 20
Views: 907
Posted By Krov9

Searching for the exact same thing, my 2 cents: ...

Searching for the exact same thing, my 2 cents:

165 mm is common for track, and some cranks support dual position (inside/outside) for the chaingring for chainline adjustment, so you could...
Forum: Singlespeed & Fixed Gear
01-13-24, 04:29 AM
Replies: 10
Views: 5,460
Posted By Krov9

I believe this hasn't been posted here yet

Nola Wilken had written quite a lot on Meral, the brand and some interesting bikes it built

​​https://restoringvintagebicycles.com/2017/07/10/meral-bicycles/
...
Forum: Classic & Vintage
11-25-23, 02:34 AM
Replies: 12
Views: 611
Posted By Krov9

For a 50-52cm frame that's not unheard of I...

For a 50-52cm frame that's not unheard of I think.

This 531 Laurent for comparison is 2320g according to the seller - crashed, unfortunately
https://www.ebay.com/itm/134806006028

and to...
Forum: Classic & Vintage
11-24-23, 01:39 AM
Replies: 12
Views: 611
Posted By Krov9

Anybody heard of Arsac ? Seriously considering,...

Anybody heard of Arsac ? Seriously considering, although the tubeset is unknown and the fork is not as roomy as some others. Seller quoted the weight at around 2,5 kg
...
Forum: Classic & Vintage
11-21-23, 09:32 AM
Replies: 12
Views: 611
Posted By Krov9

eBay etc. in Europe

In the spirit of "eBay / CraigsList finds - "Are you looking for one of these!?" (https://www.bikeforums.net/classic-vintage/561211-ebay-craigslist-finds-you-looking-one-these-part-ii.html) I wanted...
Forum: Classic & Vintage
11-21-23, 09:11 AM
Replies: 7
Views: 328
Posted By Krov9

High BB's seem to be a habit with smaller French...

High BB's seem to be a habit with smaller French bikes, that's how they could shorten the seat tube (but not the standover, which wasn't much of a concern to them anyway; see "French fit") to fit a...
Forum: Classic & Vintage
11-21-23, 02:21 AM
Replies: 83,260
Views: 14,148,859
Posted By Krov9

A bit off topic, but could we have a separate C&V...

A bit off topic, but could we have a separate C&V For Sale thread for Europe?
I'd post a poll if I knew how to do it
Forum: Classic & Vintage
10-03-23, 06:58 AM
Replies: 2
Views: 156
Posted By Krov9

Retrofitting hub brakes (drum-/coaster-) in lieu of calipers

Hub brakes, be it a cable operated drum brake or a coaster- aka backpedal brake, have "reaction arms" that exert leverage on the chainstays or fork legs (I'm not touching on band- or roller brakes...
Forum: Singlespeed & Fixed Gear
03-08-23, 02:08 AM
Replies: 7
Views: 1,311
Posted By Krov9

I can't help but question your choices. Those are...

I can't help but question your choices. Those are pretty nice little bikes, and judging by the pic, yours was almost in as-new condition. I wouldn't have changed a thing! I understand this is the SS...
Forum: Bicycle Mechanics
02-12-23, 10:14 AM
Replies: 22
Views: 1,005
Posted By Krov9

The collector behind disraeligears.co.uk website...

The collector behind disraeligears.co.uk website commented on Simplex's "outstanding ability to grasp the wrong end of every available stick" or something to the effect.

That's very well visible...
Forum: Bicycle Mechanics
02-12-23, 09:28 AM
Replies: 22
Views: 1,005
Posted By Krov9

Well, the frame's got a threadless, stopless...

Well, the frame's got a threadless, stopless Simplex RD hanger, and I quite like the look of this chainguard...
Forum: Bicycle Mechanics
02-12-23, 03:27 AM
Replies: 22
Views: 1,005
Posted By Krov9

If anyone has a clue where to find better...

If anyone has a clue where to find better structural diagrams of such derailleur, that would be extremely helpful in 3D-modeling the part.

This is the only one I've been able to source so far:
...
Forum: Bicycle Mechanics
02-11-23, 01:56 AM
Replies: 22
Views: 1,005
Posted By Krov9

Thanks for the input guys! I've been...

Thanks for the input guys!

I've been thinking of 3D printing a replacement, but the shape is pretty complex... trying to figure out how they were put together back in the day.

Also, this is...
Forum: Bicycle Mechanics
02-10-23, 02:44 PM
Replies: 22
Views: 1,005
Posted By Krov9

Any way to prolong the lifespan of those dreaded Simplex Delrin components? ​​​​​​​

I am building up a 70's French bike with period correct components. I have a Simplex push-rod type fd with a nice original chainguard that I would like to use, if it weren't for the bad rep of those...
Forum: Classic & Vintage
01-12-23, 01:17 AM
Replies: 3
Views: 888
Posted By Krov9

Thanks for the suggestions! ...

Thanks for the suggestions!

https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/550x412/86650d3b_3cdc_46b9_87a0_b2a683d5afe9_44ab4c4e34f1bc8e7a48fa58f968ede652883991.jpeg
...
Forum: Classic & Vintage
01-10-23, 02:17 PM
Replies: 3
Views: 888
Posted By Krov9

Stem-mount for SunTour Sprint Micro-Ratcheting Shifters

I have a pair of SunTour Sprint micro-ratcheting downtube shifters similar to https://velobase.com/ViewComponent.aspx?ID=3d51f27d-e5a7-4b35-a07f-97d933dd0b2a&Enum=104.

Unlike most here, I guess, I...
Forum: Bicycle Mechanics
01-04-23, 12:01 PM
Replies: 5
Views: 727
Posted By Krov9

Thumb Shifter Suggestions

It's weird that no-one appears to be making any sort of modern-dayt replicas of the good (https://velobase.com/ViewComponent.aspx?ID=48EE36F2-1831-4956-B7AB-80C3125D9FE9&Enum=104&AbsPos=29) (often...
Forum: Classic & Vintage
11-30-22, 01:19 AM
Replies: 5
Views: 513
Posted By Krov9

NOS Le Spirax

This stuff is so rare I just got to share it with you guys.
A bike shop in Finland is selling NOS 40's-50's French "Le Spirax" derailleurs with shifters and cables, as well as matching 3- and 4-cog...
Forum: Classic & Vintage
11-09-22, 09:02 AM
Replies: 419
Views: 69,788
Posted By Krov9

Just curious, were there any other brands or...

Just curious, were there any other brands or lineups that combined 26" (559) wheelsize with road-ish geometry?
Forum: Classic & Vintage
10-18-22, 11:43 PM
Replies: 14
Views: 1,189
Posted By Krov9

Update: After discussing the brake bosses...

Update:

After discussing the brake bosses over at Bicycle Mechanics (https://www.bikeforums.net/bicycle-mechanics/1259518-m6-x-1-0-v-brake-bosses-2.html),



This affirms that despite being...
Forum: Classic & Vintage
10-18-22, 02:18 PM
Replies: 35
Views: 2,070
Posted By Krov9

Had one of these, although a tiny, bare frameset,...

Had one of these, although a tiny, bare frameset, go through my hands. Bought and sold for 10 quid. Was pretty bleached from the sun though. I believe my local bike kitchen has one of those...
Forum: Bicycle Mechanics
10-18-22, 02:06 AM
Replies: 35
Views: 2,023
Posted By Krov9

Interesting to hear your thoughts! I agree with...

Interesting to hear your thoughts! I agree with much of what you said.

Btw. I was finally able to identify what ever weird bosses were on my frame - never seen anything similar

Turns out...
Forum: Bicycle Mechanics
10-16-22, 03:26 AM
Replies: 35
Views: 2,023
Posted By Krov9

I see what you mean. Here on BF I'm mostly...

I see what you mean. Here on BF I'm mostly lurking the C&V section. I think it's not entirely false to say that lots of mid tier stuff, at least, was made better than now back in the day. Components...
Forum: Bicycle Mechanics
10-15-22, 02:20 AM
Replies: 35
Views: 2,023
Posted By Krov9

In order not to sideline and hijack this topic...

In order not to sideline and hijack this topic entirely, here's a link to a list of stuff that used M6 brake bosses: BrakeSTUFF - Bremsscheiben und Cantisockel für das Mountainbike: Cantisockel für...
Forum: Bicycle Mechanics
10-13-22, 10:48 PM
Replies: 35
Views: 2,023
Posted By Krov9

I see what you mean, and I'm also aware that...

I see what you mean, and I'm also aware that older cantis used to come with a different spacing.

I'm trying to avoid having to buy and braze on entirely new bosses since it would cost more and...
Forum: Bicycle Mechanics
10-13-22, 01:50 PM
Replies: 35
Views: 2,023
Posted By Krov9

I do in fact have a frame with M6 threaded...

I do in fact have a frame with M6 threaded bosses/mounts for canti brake studs/posts (not sure about the terminology). The bike is French, 70's and from an unidentified manufacturer so I guess I...
Forum: Classic & Vintage
09-27-22, 02:19 AM
Replies: 14
Views: 1,189
Posted By Krov9

Wow, you really considered this in detail! I hope...

Wow, you really considered this in detail! I hope that will help others too :)

Could you just this once explain to me like I'm simple, why couldn't I just screw in something like this, install a...
Forum: Classic & Vintage
09-26-22, 10:44 PM
Replies: 14
Views: 1,189
Posted By Krov9

Hi Mark, thanks for the suggestions! What...

Hi Mark, thanks for the suggestions! What material would you suggest for the bushing: brass, plastic?

I haven't measured the distance between the post mounts yet, but that should also be an...
Forum: Classic & Vintage
09-26-22, 05:35 AM
Replies: 14
Views: 1,189
Posted By Krov9

https://cimg4.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg4.ibsrv.net/gimg/bikeforums.net-vbulletin/1128x1504/img_20220921_164753_cd2ee2324e26ba81a9a620a6d12b97189d05eb4f_dca1c7d6e6682562cd3865fbdfdf75b21ab17b4e.jpg
Brazing's not that great...
Forum: Classic & Vintage
09-25-22, 10:44 PM
Replies: 14
Views: 1,189
Posted By Krov9

Wow, thanks! Those things looks ancient! I'd be...

Wow, thanks! Those things looks ancient! I'd be surprised to find them in anything more recent than the 50's, and if the Spidel bb is original, my frame would date to the 70's-80's.

Accroding to...
Forum: Classic & Vintage
09-25-22, 05:27 AM
Replies: 14
Views: 1,189
Posted By Krov9

I haven't had time yet to figure out if the posts...

I haven't had time yet to figure out if the posts are intended for cantilever- or centerpull brakes.

If they would be spaced for cantis with 700c wheels, I'm thinking whether they could be adapted...
Forum: Classic & Vintage
09-25-22, 12:55 AM
Replies: 145
Views: 27,443
Posted By Krov9

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/1000x1000/497dc01677a796119551c2b1ed91272f796f92fb_2_1000x1000_01494d8ccc70f363bb56b80bc600e121b9a4dd52.jpg
Rare-ish but not especially good:...
Forum: Classic & Vintage
09-24-22, 01:56 AM
Replies: 8,793
Views: 1,106,858
Posted By Krov9

No today but on wednesday ...

No today but on wednesday
https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/1493x839/screenshot_20220907_160208_01_093485e703ad283100e557d975b246f351f9e40a.jpg
A tiny French mystery frame with...
Forum: Classic & Vintage
09-21-22, 10:41 PM
Replies: 14
Views: 1,189
Posted By Krov9

Thanks for the reply! Norris Lockley (see Flickr...

Thanks for the reply! Norris Lockley (see Flickr link above) states:

"They were extremely easy to work and brazed and welded readily . The alloy steels used were less technically complicated more...
Forum: Classic & Vintage
09-21-22, 02:30 PM
Replies: 14
Views: 1,189
Posted By Krov9

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20220921_164853_d5d7cfbfc94548daa3b99bebdc46bb502652b0b3.jpg
For center of seat tube
...
Forum: Classic & Vintage
09-21-22, 02:28 PM
Replies: 14
Views: 1,189
Posted By Krov9

https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20220921_152150_b06c6cb400891f01afd31ec40892387b972dcd6e.jpg
How it arrived: Ouch! 😵...
Forum: Classic & Vintage
09-21-22, 02:26 PM
Replies: 14
Views: 1,189
Posted By Krov9

Un Mysterié Française: What have I gotten into again?

So I bought this mystery frame from eBay, bit of an impulse purchase really.

All I know about it a this point:

-Really small: 49x46 or in the ballpark (see pics) I'm 5,3" / 160 cm with short...
Forum: Classic & Vintage
09-17-22, 02:18 PM
Replies: 15
Views: 906
Posted By Krov9

While not exactly what the op was looking for, a...

While not exactly what the op was looking for, a very sturdy (not aluminum, heavy) and tall french dimension stem could be had for cheap from...
Forum: Bicycle Mechanics
07-28-22, 06:04 AM
Replies: 23
Views: 1,073
Posted By Krov9

what you are seeing is not damage to the threads,...

what you are seeing is not damage to the threads, but missing material (brazing) between the seatstay and the BB shell lug. So that hole was there before the threads were made at the frame factory
Forum: Bicycle Mechanics
07-27-22, 01:10 PM
Replies: 23
Views: 1,073
Posted By Krov9

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20220727_093407_84460eaaf8d83fb3e4b1d7db9e48efb3028e49f6.jpgI think I know what I have 😊 this cartridge was sold as Bonin, but the...
Forum: Bicycle Mechanics
07-26-22, 09:30 AM
Replies: 23
Views: 1,073
Posted By Krov9

Thanks John, you are not the first to suggest...

Thanks John, you are not the first to suggest that, actually. In fact, I bought two similar BB cartridges with different axle lengths, because I wasn't sure which cranks I was going to use, so...
Forum: Bicycle Mechanics
07-24-22, 11:01 PM
Replies: 23
Views: 1,073
Posted By Krov9

Could be, but no. It says 24tx36mm on the BB...

Could be, but no. It says 24tx36mm on the BB cartridge.



This sounds plausible, I was working on the bike at a "bike kitchen" kinda space, and I had a volunteer take a look, but they thought it...
Forum: Bicycle Mechanics
07-24-22, 02:18 PM
Replies: 23
Views: 1,073
Posted By Krov9

Yep that's the word, sorry. It's the...

Yep that's the word, sorry.

It's the cheapest no-name cartridge I could find ;) and ITA threaded by the way, so both sides are supposed to turn clockwise..

I'm building up the frame with a new...
Showing results 1 to 50 of 141
 
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