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Is this a terrible idea, even if he can get a bolt-on stopper that fits securely? I'm new to bikes and have been researching different kinds of brakes and came across this, but it seems to be the only thing on the Internet recommending something like this.

Video is very rambly. Start at 8:20 if in a hurry.

FBinNY 

Not ideal, but not terrible except that it'll cause paint damage.

One issue may be that hub brakes increase stress on the fork compared with rim brakes. So I wouldn't do this with an ultra light fork, though I suspect that a decent mid level fork has plenty of reserve strength.

Also the curved tips of forks are flexy so a rigid attachment can suffer plenty of local stress. Wrapping the fork with inner tube material under the clamp and allowing some float at the bolt would alleviate that.

fietsbob

The forces are not as severe as a Disk brake hub exerts on a caliper Mounted in the fork blade .. the band mounts 6" Up.

Though the Drum Brake Hubs that I have been Using for 25 years are on a Mountain Bike with a strong Tange ChroMo Fork


The Braking is easy to Modulate and comes on Smoothly .. So It has become My Perfect Studded Tire Winter Ice Bike for 20 years.



OK I wouldnt put them on a superlight 753 Super light tubed race Bike Frame , but are just fine on a bike you will Use for reliable transportation .

Because they are really low service , & the pads will probably be fine for 50 years, at Least

the Recent S-A drum brake hubs let you build a wheel with either a 70 or 90 mm diameter drum. 90 obviously has a greater drum and brake shoe surface. ..

and they offer a Front combination Dynamo for lights with out batteries + the Drum Brake.

and 3.5.8 IGH + cassette and screw on Freewheel 7 speed, rear.

the current fork band slips over the end of the reaction strut it is made in the diameter of the fork blade where it Mounts

on a tapered blade fork it will slip down on the smaller end of the blade , but not move Up as the taper is Bigger up Further ..
Then the axle loose is just slipping out of the band slip in slot

Is that your Bike or some video You Found ? look for a Better fitting band , whats wrong with that loose one further down the Blade?

Get the right Parts .

https://www.sturmey-archerheritage.co...s/view-129.pdf __ https://www.sturmey-archer.com/en/catalogue

short

It's just some video I found while I was trying to get some education on various braking systems.

Thanks for the info, guys.

Matariki

I have the new model Sturmey-Archer 70 mm drum brake mounted on my commuting bike. The reaction arm is quite a bit longer than the one shown in the video. This allows anchoring higher on the fork (above the bend) and also reduces the torque applied to the fork arm. I like the drum brakes a lot. They work well in all weather, are easy to modulate, and best of all eliminate all that gray slurry that accumulates with in the wet with rim brakes.