Are disc brakes really dangerous??

It’s been a while that disc brakes have been seemingly considered dangerous, and are occasionally permitted and banned in professional road bike races.

Personally, I never really understood the cause for concern, and RJ the Bike Guy’s latest video does a really neat job of clearing this up.

Check it out.

Velobrico Workshop: Tigra ladies’ bike

Another stray joined the workshop recently. 

Actually, as you can tell from the photos, this was a while back, when there was still sunshine and no snow!

Tigra is a historic Swiss manufacturer (I understand they disappeared in 2001, bought by Villger, another Swiss brand), which adds another local bicycle to my collection.

This one was left by the bins with flat tires, lots of cobwebs and wrongly adjusted this and that. Nothing major missing though (like saddle, wheels, pedals, handlebars etc.), so all it needs is a little TLC.

I love the frame colour. It’s a really electric blue-green aquamarine which almost looks cromovelato. Really nice. The pictures here don’t do it justice.

The lugged steel mixte frame has the usual mistreatment scratches, but from being badly stored rather than well ridden. The “Tigra” decal from the down tube has disappeared, but the lettering is faintly visible.

I haven’t done any research, but judging from the components I would say this is an early 90s bike. STI shifters. Shimano STX hubs, no-name aero rims. The pedals seem to have been replaced relatively recently (these are the Decathlon urban flat variety, cheap but decent pedals).

Gear shifters and brake levers were oddly inverted, which must have made braking tricky. Gears didn’t shift correctly (WD40 sorted that). One tire pumped up fine, the other needed a patch. One wheel needed a bit of truing, but nothing major. Re-greased the hubs and gave it a wash (after taking the “before” photos for once!)

With very little effort, this middle-aged lady is back on her feet. I bet she’s glad I rescued her!

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Treasure hunting

I recently picked up a couple of cone spanners made by Sugino, the Japanese component manufacturer, at a second hand store in Switzerland.
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They are in immaculate condition and only the 13mm spanner seems to have ever been used (maybe once?).
Does anyone ever use the 14 or 16mm spanners? I have never owned a hub that uses them. Would be great if 13 and 15 came on a single spanner, as they seem to be the most common, but then they’d sell fewer tools!
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I already have a bunch of cone spanners but these will go nicely with my 1985 all-Japanese Fuji Del Rey. It has Sugino cranks after all. They are really nicely made, and in far better condition than the Fuji itself…
Any idea when they date from?
I’m guessing 80s-90s, as the internet isn’t yielding much in the way of info.
Remember, you can never have too many tools.
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Not bikes, but architectural salvage!

It might not be bike-related, but it’s too cool not to share.

 

$_57 (1)A friend of mine has the only remaining illuminated sign from the facade of the now defunct Hürlimann brewery in Zurich.

As you know from the blog, I love reviving things that have a history, and architectural salvage is all about that.

The sign has been stored since it was removed from the brewery, and has a few age-scars as you would expect given its vintage, but it’s a truly unique object.

I’m currently selling it for him, so please share with anyone who might be interested. It would be great for this unique object to go to a good home!

The sign is very large, heavy and currently located in Switzerland, so bear that in mind if you want to bid!

Now imagine what a unique Christmas present that would make for someone…

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Velobrico Workshop: BMC Fourstroke FS04 (update 2)

While looking for info on the bike on the web, I found it’s sleeker, lighter road bike brother.

So mine’s definitely a 2006 model, given near identical paint scheme. Not quite so clean as this one though!

Velobrico Workshop: BMC Fourstroke FS04 (update 1)

I recently bought a tired BMC Fourstroke FS04 mountain bike, which had seen plenty of action and not enough maintenance.

I saw potential (or as much as anyone can from a couple of mobile phone photos…) and brought it home to breathe new life into it.

Sometimes you get lucky and there’s not much wrong with a bike. And sometimes there’s some skeletons in the closet, though finding them can also be fun.

I’m always itching to give new project bikes a good wash. Often so quickly that I don’t get any “before” photos… I’ve got to learn some patience!

Washing a bike gives you the chance to look at it closely and spot things you previously overlooked. The BMC was superficially lightly dirty, but chain, chainrings, cassette and jockey wheels were well overdue a de-griming. Is half of restoration actually just cleaning?

Now funky shaped frames are great, but who wants to clean their bike with a toothbrush after every muddy ride?

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Overall, the bike is sound, frame is good, components all there. There’s a few dings, but no visible evidence of crash damage – especially important for aluminium frames. Brakes are ok (if a bit spongey), rotors are true, headset is fine, BB has no wobble.

The front hub was loose, so I stripped and repacked it with new grease. Bearings were fine, races good. This was sorted very quickly and only minor adjustment was needed to the disc brake caliper to avoid rubbing against one pad after tightening the cones.

The rims are slightly out of true. Usually I use rim brake pads as a makeshift truing stand, to see minor wobbles and where to adjust spoke tension. Truing wheels on a bike with disc brakes will be more tricky, so I’ll leave that for later…

The biggest fault the seller mentioned was the twisted derailleur and chain. The derailleur looked ok, so I removed the hanger with the intention of replacing it with a spare from the Steppenwolf, but found it was a slightly different shape and wouldn’t fit.

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A trip to the bike shop later, the mechanic told me he didn’t have any spare hangers in this shape, but he could bash it straight for me. Back home I reinstalled it, stripped the derailleur, serviced the jockey wheels, reinstalled the derailleur and chain (minus one link), and wouldn’t you know it – it worked perfectly! 👍

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If you read my earlier post, you may recall the seller mentioned his local bike shop quoted almost twice what I paid for the whole bike to sort this out (presumably replacing derailleur and hanger).

Turns out that was pretty poor advice as I sorted it in two hours (including an hour’s walk to the bike shop and back with the kids), at zero cost (a contribution to the tip jar was all they would accept – but I also bought some cleats). Some adjustment needed for perfect indexing, but 80% there. Result!!

Next I adjusted the handlebar position, flipped the riser stem down and adjusted brake and shift lever positions, taking the opportunity to lube/grease all the screws that hadn’t been loosened in years.

While poking around I found a couple of other issues: a sawn off seat post (kids, just don’t do it…!), a loose pedal spindle and some broken chainring teeth, but overall this is turning out to be a nice little restoration project.

Watch this space for the next steps!

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A saddle and a lock, at the same time…

This is a pretty neat idea. Saves lugging a lock/chain around, and avoids scratching your paint while you’re riding.

I do wonder how heavy it is, but in fairness, on a town bike it probably won’t make much difference to “performance” or centre of gravity.

PS. I unfortunately have not received one to test, but if the right people are reading this, you know what to do! =)