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No, standard horizontal top tube.

That's meant to be 52cm centre to top. Will edit now.

Just checked and it's not seized.

Here we have a Simoncini track frame built with Columbus Cromor with two sets of forks: the original undrilled fork and a chrome fork suitable for use with a modern recessed brake.

Top Tube (C-C): 52cm
Seat Tube (C-C): 51cm
Seat Tube (C-T): 52cm

Some blemishes and marks to the finish. Chrome fork has some very mild pitting. One set of decals has partly peeled off and another is peeling. Simoncini decals are available on eBay for little money.

Included is a Miche bottom bracket, 165mm Miche cranks with a TA 44t chainring and a Tange G Master headset. Both turn freely. Note that the headset uses needle bearings so will never turn as smoothly as a ball bearing headset.

The two forks have different crown race diameters so will require a new crown race if you wish to use the original fork. The chrome fork is about 10mm longer than the original fork.

£250 ono. Inspection/collection from N16.

In no rush for this but thought I'd put it out there.

Any condition provided it's structurally okay. Don't need any forks.

Is the Pompetamine a good candidate for a 650b conversion? Is tyre clearance limited by width or height?

So i'm thinking of getting a thorn disc fork for my pompetamine for improved mounts and all that. It's 383mm axle to crown with a 52mm off set and will take 40c tyres and guards. Sound like a good match? It does cost more than I paid on the frame which seems a bit silly.

Surly Disc Trucker fork is a slightly cheaper option and matches the Pompetamine fork length.

ussr frames- best beaters/rats
http://cs620918.vk.me/v620918422/366f/PV_pwwkTV2Q.jpg

here's another.

https://lh4.googleusercontent.com/HHFpyz-_8MWsx158JLrshxXU25CAPeXYz1yZ_CCOWtw=w1068-h720-no

After something pretty similar too. A tough, small, cheap camera for riding. Currently have a LX3 which is great but a bit big for jersey pockets as well as having a battery drain issue.

I got the 5cm (bulges to 7cm) with internal divider for my surly disc trucker. It's pretty good, but I wouldn't want it any wider as it definitely does bulge when full.

Great, mine will be on a cross-check so I'll go for 5cm too. Thanks!

Deda bars still around?

Looking at investing in Alpkit's frame and saddle bag. Just stuck on what width to go for, is it just a matter of what will fit between your cranks, provided you don't ride knees in?

ha, yeah, 104mm BCD.

I've had success with it without a clutched mech, despite not really using it as intended: on a rigid, 8 speed cross bike with 38mm tyres with too much air in them I've lost the chain once descending over washboard roots. They're designed for 9/10 speed so the increased internal width of an 8 speed chain may have been the cause of that chain drop.

I'll let you know when it's available. Vectiox were pretty slow sending out this one so it might be a while.

Anyone after a 32t wide/narrow chainring? I realised I'm undergeared and am buying a 36t instead.

As made by Vectiox. 105mm BCD. Wide base so you don't need single ring bolts. Retails at £30, has a few months use but should be good for a while yet. Will sell for £15 once the new chainring turns up.

Yup.

If anyone fancies bypassing the train I usually ride up the river from Lea Bridge Road.

I assume, much like swapping 700c wheels out for 650c wheels and using larger tyres, the same can be done for 650c and 26" without too many negative consequences?

There's only just over 1cm difference in diameter so I guess we may even get away with using the same brakes.

Conditions in Epping are pretty pretty good at the moment. My bike was covered in dust rather than the usual mud yesterday.

Ideal would be a something reasonably utilitarian (decent clearances, steel). Something like a Surly Pacer would be great, but these tend to come up pretty rarely in the smaller sizes. Either a cross or road frame is okay.

Need around a 48-50cm top tube.

Will consider a complete bike or just the frame.

Thanks!

Is additional sleeping cat not enough to appease you?

Here's a photo in it's previous guise.

Headtube measures 180mm.

Now available elsewhere.

Wouldn't the derailleur be too narrow with the 8 speed chains?

I've never had this issue using 105 rear mechs with 8 speed chains, but then again they are specified as suitable for 8,9 or 10 speed drivetrains unlike the mountain bike derailleurs.

Looks like I'll just have to continue living my life with a bit more chain noise.

Why not?

I'm hoping to be proven wrong but wouldn't there be too much cable travel with the new Dynasys actuation ratio for a bar end shifter?

friction shifting a Shimano clutched 10 speed rear derailleur (on an eight speed setup) will not work will it?

26" Disc Trucker forks are actually almost exactly the correct length, different rake though...

Very interested. Have PMed.