kyledr

My Rossin track bike I recently got has 126mm rear spacing. What gives? Is it possible it was just used with a 126mm hub so long it became that size? I think it was actually being used with a 120mm hub though, so that theory makes little sense. I know it wasn't welded with fork ends cause it's not drilled for brakes.

Did track builders ever do this? Will I be OK using 120mm hubs? Agh I hate stupid spacing.

trons

throw some washers in between your locknuts and be done with

wearyourtruth

it'll be fine to use a 120mm hub... you can get away with 3-5mm flex for each side. or you can use washers if you are concerned.

that is a weird thing though...

dmc

your bike a-splode

kyledr

I know it'll work, because I rode it, and someone rode it before me, but this sucks, cause I want it to fit the way it's supposed to =/.

Anyone have/heard of bikes made like this?

ka12na

...

Fugazi Dave

Get two MKS chain tensioners and run the little circular part on the *inside* of the dropouts. This will take up 3mm of slack, leaving you with about 3mm of extra space, which is perfectly negotiable. My frame is actually spaced at 123mm specifically to accomodate tensioners, so it's not an unheard-of practice.

Edit: Also, Pen Pen is the coolest bird ever, at least outside of 165's drunken bird...

trons

or get two washers which will run you about 8 cents.

Fugazi Dave

.....ooooor two chain tensioners which also do nifty things like, *gasp*, make chain tension easier to set...

kyledr

Anyone else have a Rossin track bike? I'm curious if your spacing is the same.

Hobartlemagne 

I use a 120 in a 126 space. +1 on the washers. Also- that makes chain line adjustment much easier.

cavernmech

I have had 4 different Rossin track bikes and they have all been 120. Was it used when you bought it? Perhaps someone brazed track ends in an old road frame?

trons

how much easier does it need to be

jet sanchEz

Yeah, pop up some pics here, maybe it is a roadie modified because the Italians have always made them 120. Does it have water bottle mounts? Odd.

kyledr

Dude I understand how to do it, but I'm wondering wtf is up with this bike. It was used when I bought it. It seems unlikely that it had track ends brazed on, because it isn't drilled for brakes and the geometry is track. Also the bars it has, which seem to be original, are track bars.

trons

picture time

Aeroplane

How old is it? Some older bikes didn't have the derailleur hanger on the dropout, and rear-facing dropouts are not exclusive to track bikes.

Bending of the stays would probably be detectable with a string or something (it has wishbone stays = unlikely).

dirtyphotons

no pictures. never happened.

kyledr

I don't know how old it is. When I get home I'll take pics. I estimate early 80s or late 70s.

But again, what kind of road bike isn't drilled for brakes? The paint looks original too.

shishi

My track bike had 126mm spacing, so yes it happens. Cause I am lazy, I had it coldset to 120mm so I didn't have to bend or deal with spacers everytime a wheelset went on.

dirtyphotons

if you can find a serial number, you could email the company which now owns the rossin name. no website as of now, but a quick interweb search led to this:

hello to everybody.

all of you are right about Rossin brand. it has been purchased in 1992 from another Italian bicycle's group (REGINA Cycles). nevertheless all the quality features and passion has been keept unchanged during this period. recently the whole activities of Regina Cycles has been purchased from a new Italian bicycles' manufacturer called Gruppo Bici srl (Bicycle's Group co., ltd). now Gruppo Bici srl (managed from innovative peoples) undertake to refresh the famous Rossin brand and sell the Italian HANDMADE road racing frames in worldwide market.

you can trust in my word, I'm the Gruppo Bici's CEO. for any further clarifications and/or any extra mktg or tech infos feel free to contact me at any time at: andrea@gruppobici.it

sporting regards to everybody,

cheers,


Andrea Chiarini | Gruppo Bici srl
Rossin dept - Italy
andrea@gruppobici.it

kyledr

Alright here are the pics

freebird

Fairly common dude, don't sweat it. I've seen, owned bikes with 126 spacing. Usually American builders from the late 70's/Early 80's. Squish it down, and for god's sake don't tell anybody.

trons

yep, beats me. nice lookin bike though. anyways, as i said before, pick up some washers or "axle spacers" and throw them between the cone and locknut in your rear hub. no reason to squeeze it if you don't have to.

kyledr

I have the answer! My ******** brain couldn't figure out that squishing it in means it's less than what I would expect, which is 120mm. I assumed I had a 126 cause it didn't fit, but it turns out it's 110mm hub and the bike itself is 120mm. Man I feel dumb now that I look at the facts simply. I should have just taken the wheel off and measured. Oh yeah, what this all means is that I probably have a BMX hub.