Q-tech rear subframe

[Nin]

Hi folks, is anyone using one of these on a mono with extended swing arm? Do they fit ok?

Nin


Sent from my iPhone using Tapatalk Pro

 

[JohnnyBoxer]

I did and seem to think it fitted fine
It’s on Wreford’s old bike - maybe he could comment

 

[Wreford Miles]

With a 100mm extension it worked well, never had any issues with mine. I think Mikey bought one recently for a customers bike/build

What I would say is they are not comfy - If I were doing long days Id use a sheepskin. On Rallies it was fine because of the constant moving around and standing

 

[mikeyboy]

With a 100mm extension it worked well, never had any issues with mine. I think Mikey bought one recently for a customers bike/build

What I would say is they are not comfy - If I were doing long days Id use a sheepskin. On Rallies it was fine because of the constant moving around and standing

The one I fitted was to a para bike,
The st I fitted a 75 mm enxtended arm to (might have been 100 mm)with modded stock subframe
Needed a slightly reduced shock stroke to prevent the wheel hitting the mudguard etc.

 

[Nin]

Thanks gents. I’ve just clocked the price of them so back to plan A.

I’m going to modify the OE subframe to allow full suspension travel, and to fit a 3/4 length seat and mini rack.

Frame should be back at the weekend, and good news is that the local powder coated has BMW blue in stock and no waiting list.

Current problem is getting the right spacers for the front wheel setup.

 

[ChasF]

Mine is a modified OE 80g/s subframe. I did get a s/h 100 gs subframe which is longer and stronger but that’ll be a separate project if I decide to convert it to a dual seat. I tilted the subframe up slightly by moving the top front fixing holes back a small amount. The suspension travel on mine is limited by the rear shock and the subframe is well clear.

I’m using a RMZ front wheel with aftermarket 320mm disc and (at the moment) a f650 caliper so got all that set up before I made the wheel spacers which puts the rim slightly off centre in the forks - I’m hoping to fit an Excel rim at some point and that I can centre the rim by changing the offset slightly.

 

[Nin]

Thanks Chas that’s helpful.

The G/S subframe will get one cross piece removed - to clear the wheel at full compression - and a couple put in front and rear. It all looks pretty simple once it’s offered up.

Front wheel I can get nearly central with KTM spacers but it messes with my OCD! I’ll look at the 690 super moto setup which the HPN riders recommend.

 

[Nin]

Oops, wrong thread!