Sur-Ron - New Mid drive Bike
- Thread starter Allex
- Start date
- Joined
- Feb 15, 2013
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- 1,903
machine built wheels are junk.. they didn't even weave the spokes either.. maybe contact Josh if you get stuck, could likely offer spoke calc and some professional advice for not much $$$..
Offroader said:
Same size at the front, 70/100-19. The wear is minimal, barely. I have probably put on 70 miles street and dirt hard pack sand washes etc since I got them. Medium compound, loads of room to clear chain and swing arm, I will post some pics. Great tires just installing the Talon 1.4 rim lock today. Without it, it would shear the valve stem ever other ride. Motosport sold them to me delivered for $98 total for the two.
thoroughbred
100 W
X-Nitro said:
I did a survey of the motorcycle wheels in my shop. 9 were 2 cross and 3 were 3 cross. The only 3 cross were the Sur ron front, a yamaha front and a ktm cush hub rear wheel. The 2 cross wheels were zero, honda, sur ron rear, suzuki, yamaha and ktm
X-Nitro
10 W
Motorcycles with machine-formed 4 gauge spokes are not part of this conversation, duh.thoroughbred said:
Rix
100 TW
Sooooo.......are you saying that 4g spokes are not part of this conversation? :lol:X-Nitro said:
X-Nitro
10 W
ya pretty much, if you can grasp the reasons...
This ain't a "survey" thing it's about what lacing pattern is stronger and therefore recommended.
This ain't a "survey" thing it's about what lacing pattern is stronger and therefore recommended.
thoroughbred
100 W
Offroader said:
Gee Nitro, I thought the discussion was about lacing a motorcycle wheel to the sur ron. Tell us more about the fine points of lacing a bicycle wheel. Which pedals and crankset are you running on your light bee?
X-Nitro
10 W
ya keep thinking, your thoughts have provided zero pertinent information, good job. :thumb:
I'm looking to lace a 1.85"x19 moto wheel onto the surron rear hub. I just installed a Shinko SR241 3.50x19 rear. Had to dish the rear to the left a little but it fits well. Planning to run a Tubliss setup w/ really low pressures and try out some trials events with it (and regularly make the sighting lap w/ it when I run my Sherco.) Now that I see how high the 3.50" brings up the rear, will probably want to lace a 21" rim on the front. 27.5" forks should clear the 2.75x21 Shinko SR241 (27.13" diam). I'm 6'2" so making this thing a little taller overall is good too
Anyway, onto my question. I found a fellow on ebay (wickedwheelworks) who sells spokes and custom nipples to mate the small mtb spokes to the large 8+mm holes of a moto rim. I haven't read this thread in a while, but now that I'm catching up I see his name mentioned here too. Does someone have a direct contact for him?
I now need to make the hardest decision! :lol: black rims or blue ones? The blue matte bead blasted PWR wheel looks to be a pretty close match to my blue Sur-Ron
Anyway, onto my question. I found a fellow on ebay (wickedwheelworks) who sells spokes and custom nipples to mate the small mtb spokes to the large 8+mm holes of a moto rim. I haven't read this thread in a while, but now that I'm catching up I see his name mentioned here too. Does someone have a direct contact for him?
I now need to make the hardest decision! :lol: black rims or blue ones? The blue matte bead blasted PWR wheel looks to be a pretty close match to my blue Sur-Ron
If you want to use that huge heavy brick of a tire go 18" or even 17"
I posted pics here with 17" shinko trials.
Going again 19" rear will be a drawback. 21" is equal to 26x2.5
With 3.5/19 it will be still a higher rear.
.... 18/21 mx...
I posted pics here with 17" shinko trials.
Going again 19" rear will be a drawback. 21" is equal to 26x2.5
With 3.5/19 it will be still a higher rear.
.... 18/21 mx...
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To be fair, we are lacing moto rims using bicycle spokes due to hub limitations. What a moto can achieve w/ 8ga spokes isn't apples to apples with what we have to achieve w/ 12ga (which are only about 40% as stiff/strong.) The hub diameters are different too - advantage to the moto.thoroughbred said:
None of this negates the math which says one style is stronger than the other. 2x is stiffest in side load. But 3x and 4x are stronger overall. Whether one needs that strength when they lace a stronger/heavier moto wheel onto an overweight mtb should be part of the discussion too.
Why? There is ~6% difference in weight in 19 vs 18. Thats a fraction of a pound. At <5mph it will make no difference. To run trials in my region you have to run trials tires. I can't fit a normal 4" radial so the SR241 looks like the best option.Merlin said:
The 3.50x19 rear is 26.6" diam
A 2.75"x21 front is 27.1"
OEM is ~24.4"
Taller is better for me. This bike is sized for little people
X-Nitro
10 W
His ebay store is the retail operation.smdub said:
smdub said:Why? There is ~6% difference in weight in 19 vs 18. Thats a fraction of a pound. At <5mph it will make no difference. To run trials in my region you have to run trials tires. I can't fit a normal 4" radial so the SR241 looks like the best option.Merlin said:
The 3.50x19 rear is 26.6" diam
A 2.75"x21 front is 27.1"
OEM is ~24.4"
Taller is better for me. This bike is sized for little people
I made a bunch of tire tests and measured all time weight and sizes.
Simple calculations don't work on tires.
Not in height and 95%of time not for width.
Up 2 you.
Merlin said:
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smdub said:
you can contact him through the eBay store or on facebook.com/josh.nowell.69
I'm not calculating the heights. As I said I have the 3.50x19 already mounted on the stock rim. The heights for the others are on the Shinko website and look accurate vs the ones I have on the KTMs. I also have Dunlop D803GPs both loose spares and mounted on the two remaining trials bikes. They are >27" diam. Just occured to me the front dunlop might fit inside the SurRon fork so I'm going to make measurements. Its probably a gummier tire than the front Shinko.Merlin said:
Rix
100 TW
Merlin said:You have 3.5 trial rear and stock Cst 19 front?
Jesus. Ohhhkay.
Btw.. Stock battery stock controller?
This rear eats probably 1kw :?
Do you have any video from what's "possible" with this setup doing trial stuff?
I think this combo would work great!!! :lol: Like riding down hill all of the time.
I really can't see why you would want to use a 3.5" tire on the Sur-Ron, especially using a 19x3.5". Anything will work I guess, remember we used to use hub motors which added 27lbs in the rear wheel and that worked, but its not optimal or a good idea.
I am finally in the process of building the ultimate Sur-Ron rear wheel, a 18"x3.00" Shinko 241 tire, this is probably the perfect size rear tire you can get. Matches very close to the stock 19" tire.
I lucked out finding a decent rim at a decent weight. Finding any 18" rims is very difficult as it seems mostly nobody uses them.
The 18x1.6" rim I am using weighs 1309 grams or 2.8lbs.
The Sur-Ron stock 19x1.4" rim weighs 1196 grams or 2.63lbs.
Usually the wider 1.6" rims weigh a lot more but not in this case. I have the spokes and will use the steel nipples off of the stock 19" wheel.
My 18x1.6" rim
Sur-Ron 19x1.4" rim
I am finally in the process of building the ultimate Sur-Ron rear wheel, a 18"x3.00" Shinko 241 tire, this is probably the perfect size rear tire you can get. Matches very close to the stock 19" tire.
I lucked out finding a decent rim at a decent weight. Finding any 18" rims is very difficult as it seems mostly nobody uses them.
The 18x1.6" rim I am using weighs 1309 grams or 2.8lbs.
The Sur-Ron stock 19x1.4" rim weighs 1196 grams or 2.63lbs.
Usually the wider 1.6" rims weigh a lot more but not in this case. I have the spokes and will use the steel nipples off of the stock 19" wheel.
My 18x1.6" rim
Sur-Ron 19x1.4" rim
3DTOPO
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Offroader said:
You always seem to think that what you have deemed optimal for your use is optimal for everyone. Personally, I wish I could put a 5" tire on my Sur Ron.
Offroader said:
That isn't the best tire for me on this bike - not even close. My bike is never on the payment - I need Knobby tires for what I ride.
As for wearing, I have 2,000 miles on my rear Bridgestone M403 and it still has about half the tread left. The front has worn away even less.
Offroader said:
i can help you finding out why a 3.5 mx tire you want....
because it rips
shinkos 241/244 was good for hub shit. on street or hard terrain aka trial stuff.
offroad they suck.
nobody use 18"? ...thats pretty crazy mr. "offroad" -> any stock enduro has 18" on rear ...mx 19" rear.....
