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Discussion in 'Hacks' started by dholaday, Apr 2, 2013.
That's not a Triple Duty. It's a Avon Safety Mileage 400-19. Ever tried one of those?
The 4.00x19 K37 from Heidenau might be a possibility. Its roughly a 100/100-19 in metric sizing. Ural hack riders are getting great mileage out of them on both the front and the rear. The lug is a bit more aggressive than most but it holds up well.
That looks cool!
Would somebody please be the test mule and mount one up on 2.5x19 BMW tubeless GS rim then thrash it for a couple of thousand miles and report back as to whether it holds the bead?
Unless somebody knows somebody who's already done this?
These are a tube type tire so that might be a deal breaker for those of you not wanting to run a tube. I plan to run one of these on the front of a Guzzi rig I am building, but first I have to re-lace the front from a 21 to a 19. That and I also have to get the rig put together.
These tires have a flatter tread profile and work well for sidecar duty.
Pretty sure Acerph had one on the front of his rig. From memory, it may interfere with the front GS mudguard due to the taller profile.
Oh yeah, I remember that. He took it to Alaska with his daughter. Was it the K37? Let me go find that post.
Here it is--
OK--found a pic. Looks like the K37 alright--
So I guess once you get it on it DOES hold the bead, but it doesn't last. Boo! My Heidi K60 lasted for 8000 miles. It's nice and square though isn't it?
Seeking a little more surface contact, I decided to give the "Avon Triple Duty" front tire a go.
The deep tread picks up a shit load of rock on back roads. My tire / fender clearance is tight so I'm constantly "grinding" rocks between the tire & fender when they come loose.
(Chair off for some engine maintenance last winter)
I've ran about 3000 miles on the tire and still have a lot of tread left. Should get 4500 - 5000 miles out of it I think.
I installed a Metzler K-block on the rear but ate it up quickly. Going back to cheap conventional tires when these are gone. The high dollar brand tires never last any longer than the cheaper ones so what's the point. I'm lucky to get 3000 miles out of any brand back tire I've installed.
The Heidenau's look awesome, but I spend more time on pavement so they'd be a little rough.