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The Specialized has the same short type horizontal dropouts. Chain tension is fine right now but only got about 1/4" of adjustment available, so eventually will need either a half link or I can just buy a new chain (1/8" KMC B1 chains are dirt cheap and long lasting anyway). Still much better than vertical dropouts.

Dibs on that Sturmey X-FDD drum brake/dynamo if you decide to sell it, PM sent....

BTW I wanted gears for the old Specialized Hardrock frame I got hold of, but decided that 3 were enough so built a Sturmey Archer 3spd hub into the back wheel, came to £20 with the cable, toggle chain and a used trigger shifter and works perfectly. Had to cold set the rear end to 120mm.

Left field suggestion:
Coaster brake rear hub, so rear brake, hub and freewheel sorted, no cables to the rear and you can fit any rim size to it, this is the recommended one: https://www.ebay.co.uk/itm/NEW-Velosteel-Singlespeed-Coaster-Brake-Hub-Classic-European-simplicity/200978518746?hash=item2ecb40d2da:m:mlyJbZpeVyztIClHH3SmEKQ
Now you only need to buy some spokes, e.g. https://www.jejamescycles.com/halo-ed-plain-gauge-spokes-14g-black-with-nipples.html?gclid=EAIaIQobChMIzoGe57DI2wIVy7XtCh2rJACeEAYYAiABEgKQKvD_BwE spoke washers, 2 per spoke, as the steel hub flanges are very thin https://www.jejamescycles.com/sapim-spoke-washers-pcg2836.html and the rest, wheels, front brake and lever etc can be scavenged from dead MTBs on freecycle, the tip or your mates' back sheds or gardens, or off those half robbed abandoned bikes you find chained to railings lamp posts.

EDIT: you're already looking at coaster brake hubs, duh!

9.4kg/20.7lb without mudguards or lights. Think I will swap out that front dynamo hub with a non dynamo Deore LX I have to bring weight down by 280g. Don't really need anything more than a couple of blinkies on my short commute on lit streets, but definitely do need the mudguards here in deepest Cornwall and also lowish gearing for an old bloke coping with the moderately hilly terrain. That is a 38t chainring with a 16t freewheel, giving 64" gear with the 32mm tyres. I took it on a shakedown run and it does accelerate and roll well, and runs very quiet and smooth. The pedals are garbage from the back of the shed, but will be replaced with some Humpert 608s ASAP

Nope its 700c, with enough clearance for mudguards and my preferred 32mm tyres, plus v-brake bosses which I prefer over discs (and 32mm tyres won't squeeze into caliper brakes). Also weight is reasonable for the clearance, the v-brake bosses add to the weight but OTOH mini v-brakes are pretty light.

Frame looked like this when purchased: I paid £45 including postage, but sold the 1.2Kg steel forks on getting a fiver back.

Won't upload for some reason, so using Flickr to host again:

Mock up of possible final positioning, note bell:

Side

Front

Re the mudguards, sorry been a bit busy. They are a tad scratched, particularly on the back end of the rear one, but no cracks or such like. They are black SKS chromoplastic 65mm wide like these: https://www.sjscycles.co.uk/mudguards/26-x-55-sks-chromoplastic-mudguard-set-26-black/ only with missing reflector but a bigger, better mudflap attached to the front. They give tons of clearance over 2" knobbly tyres. The rear stay bridges have been re-riveted back on (looks fine) and the secuclips don't match each other style wise. I will send a pair of spare longer stainless stays to give you a better chance of fitting if the originals are too short. £8 posted by Myhermes or similar slow-but-cheap post. I do have a new small style square SKS reflector to fit the mounting holes but would want another £2 for that, seeing as it cost me more than that.

Yeah interesting rather than gorgeous! The frame welds are so thick and knobbly they are positively agricultural, and although fugly they do reassure me that they are unlikely to fail any time soon.

How about now?

I gave the frame a thorough going over with coarse wire wool which left it with a fairly convincing brushed alloy look. I painted the forks, which were quite scratched, but only superficial surface damage. I used white coz that was what I had in the shed. I popped on the rear Tektro 926AL mini v-brake, serviced the headset (34 teeny ball bearings in each bearing, but at least you can get it all apart and do it properly) and put in a budget carbon seat post plus budget plastic mesh saddle which is also quite light. Also pictured are budget carbon tri bars (stupid light) Truvativ 32mm stem (it's a long top tube frame meant for straight bars) Sturmey Archer 16T 3/32" freewheel, spokes for rear wheel and front wheel complete with DH-3N80 dynohub which was already built for another bike. That hub is the most expensive component by far, I think I paid £72 two years ago. The frame was £40 and the forks were £30, the bars were £27.

Need to wait for the paint on the forks to harden before finishing the build, also waiting on delivery of the aero brake levers, but can get on with building the rear wheel in the meantime. The Formula hub is 110OLN but with a decent length axle so just a case of spacing it out to fit the 120mm droputs.

Attempting to build a fully equipped SS commuter on a budget, which needs to be fairly light as I have to carry the thing up a steep flight of stairs on arrival at work. I am starting with a used Carrera Subway Zero alloy frame and Bontrager Satellite Plus HCM carbon forks (v-brake). Stripped of paint the frame weighs 1.9kg, forks o.7kg. Just installed VP 107mm BB with alloy cups, quite light for the cost of £12 at 230g. Wheels will have Exal LX17 rims shod with Vittoria Voyager Hyper 32mm tyres. Front hub Shimano DH-3N80 dynamo hub 32h, rear Formula SS hub 36h, spokes ACI Alpina 2.0/1.8. Chainset Stronglight ST55 38T. Rest of build details and pics to follow but it will include Dia Compe alloy mudguards and a Tortec Ultralite rack.

Definitely wide enough, they are quite a bit wider than 2" knobblies, but I will PM photos tomorrow as looking at them again the condition is perhaps slightly less than 'tidy'...

Nice, I have a '92ish Spesh Hardrock db chromo steel frame which I perversely built up with 3 speed Sturmey Archer gearing, made easy by the horizontal dropouts on that model.

If you are looking for "full" mudguards I have a set of 26" x plenty wide black SKS chromoplastics which you can have for £8 posted, tidy but not perfect.

EDIT: duh you have the guards already, much nicer as well...

Thanks I'll try the hairdryer trick.

I bought one from Poland via Fleabay, 16T 1/8". It seems solid and is 50g lighter than a Sturmey Archer 16T 3/32", but it runs a bit rough. It was described as NOS so maybe manufactured a long time ago and has solidified 20 years old grease in it or something, so do I just try and flush some oil through it or strip down totally?

New Shimano BB-UN53 bottom bracket with 107mm axle, for BSA threaded bottom bracket shell 73mm wide ( as found commonly on MTBs). This has been installed in a frame and fitted with cranks, but found to be too short for the purpose and removed again without ever being used. Note all metal cups on this model. £10 posted

But how can you know that for sure, I mean are you the official LFGSS spokesperson? ;-)

I guess, anyway I am glad there was no interest, but I just wondered if there was some collective LFGSS prejudice against Shimano, 'MTB' components (Shimano now call Deore LX "Trekking") or cup & cone bearings?

As I said, changed my mind about selling it, but it was here: https://www.lfgss.com/conversations/320966/#comment14241777 I have had it in the spares box a while, but will now build myself a 'summer' front wheel and just run the heavier dynamo hub one when I need it in the darker months.

I have decided to keep it in the end, but out of curiosity why did nobody even look at this hub (Deore LX HB-T670 brand new 32h silver) when I put it in classified? In touring circles they are considered a go to choice as you get ever lasting high quality cup & cone bearings with mega effective double sealing and a sensible cromo axle, so why not for the front of your fixie or SS? That is what I am going to do with it now anyway...

What nobody even looking? Nuts then, I'll use it myself! Withdrawn from sale.