I cant figure this one out, I have a floating rear hope brake for my Lobo, and I have fitted some hope bulb wheels on, and I dont see how I can attach the brake now, - do I need special wheels/hub/converter for it? - please help

Thanks
Tim

As far as I know, the original Lobo hubs, Hope or White Industries - doesn't matter, were a bit narrower so they can adapt the floating brake arm. On the Lobo that I used for quite a few years I had a Ringle Disc Jockey hub and I ditched the floating brake mount and used a custom made adapter. I don't know what I'll do with the Lobo I got this summer, so I guess I will use the floating brake mount.

Try to figure out where to get a Lobo-style Big Un hub or see if you can work on your Bulb so it fits!

Mx

Thanks for the info- so need a 130mm hub

There's 130mm axle conversion kits for Big Uns so they work with the Lobo/LTS/Straight 8 dummy dropout/brake mount. Don't know about Bulbs.

All will become clear with pictures
Which system is it ? and aftermarket thing like critical racing made or the hope No2 extended caliper?


I might have just the thing on my tazmon build

There is a difference between the Hope No2 and the Hope GT caliper. Most Lobo's I see are running a Hope No2, which uses the short axle plus the special bolt at the dropout. This leaves a metal on metal interface.

Probelm is Hope No2 is not designed to rotate, it is designed for a bike without rear disc mount and the caliper would remain fixed or close to. The torque arm, whatever you want to call it would normally sit on the upper stays, so the caliper won't move but on the Lobo the mount point is the lower stay, which means the caliper does move as the swingarm moves.

Hope GT caliper is designed to rotate (float) around the special bolt as the rear moves up and down, it has a plastic bushing in there along with a slightly different sized dropout bolt to the Hope No2.

You need any Big Un or Bulb, plus the short axle and the dropout bolt. I have an axle spare I *think* but I do not have the bolt.

I wouldn't fix the caliper, it's there to stop brake jack and is an integral part of the build imo.

See my bike, black one is stamped GT and the other was a spare I picked up, No2 I believe. GT Caliper is 155mm disc and the No2 I have is 165mm.

I will post pics of the bolt / axles when I get home

Just to add..my plan (as I now have two Lobo's and only one GT brake) is to have the No2 caliper hole bored out to take the bushes you see in my pics and have someone make the dropout bolt.

Probably be easier to find someone who has one or two in their spares box and make them an offer they can live with.

You don't find many real GT ones

Tim, buy his brake

I still have a Big'Un hub from a 98 Lobo with the spacer.

The wee special end nut for the XL skewer is still available from Hope for about a fiver They still do the skewer as its usually for tandems[£18 iif i remember correctly]

The spacer is hard to find though,i got one off Ricks bikehut place and just about tore his hand off That said mine is a tight fit for the bulb i want to put it on but tbh i can see that you couldrun it without

Axle-Easily cut down,they do or rather did do a short version but i gather most just hacksawed a bit off the end

Frame bolt- Dream on No youre ok here as i have a spare and am willing to part with it.


ALSO
I ran one for years where the frame bolt was a loose fit into the caliper,much like that that you suggested.I found that once it was done up tight it was not going to move again.
Hope this helps

Let alone NOS GT calipers.

IIRC I have the rectangular Lobo torque arm in my Hope Spares Box. The adjustable heim joint one in the pic is off a Straight 8 and the tapered clamp is off a LTS.

This is super geek and boring but I found posts like this handy while trying to figure stuff out, it beats looking at 100's google images

Bottom is GT Lobo original, the next two are Big Un and Bulb for Hope normal hub mount caliper and long one is original Big Un no caliper.

Sorry about picture quality



Lobo one in calipers..



Lobo caliper, LTS? Mount for IS, Hope normal hub mount.



Hope normal frame bolt



Lobo frame bolt



How it all fits

I already have the rear brake, which is the GT one. , just need a rear wheel so it will fit.

Thanks for the pictures, that's been a big help, cheers guys