Modern Vespa

Is it possible to fit these 13 inch wheels to a GTS?

To compensate the extra diameter i would use a tire with a lower profile like a 130/60-13...

Any ideas?

Some folks run a 140/70 R12 rear for a higher top speed- 140/70/12 on gts?
And if this is believed- Tire Calculator your proposed setup is smaller.
But, I think I'd prefer 140 R12 rear rather than going for than 13 inch rim. The 140's been well tested and the cost of replacing just the tire is probably cheaper than both a new rim & new rubber.

Gaining speed was not direct my intention, more the looks.

If you're thinking of doing a 1:1 wheel swop you also need to check the wheel bolts will fit your existing GTS hub OK - parts may be consistent from between Piaggio models but I'm not sure. Be mindful of braking performance too on a changed setup.

Also the offset of the wheels might be different on the hub. This might look great and I would love to see a shop try it out first.

I and others have done it with 12s" on a 150.

What bike is that?

Pretty sure it would work, Piaggio uses the same hub on everything. Verify by crossing the hub part number. Slight offset difference if any is non-issue as long as nothing hits.

Might have just shown me my next Vespa -- 300 Super with those, Bitubos and a Akra would be sweet.

1 MP 3 Yourban

2 That's my idea !

Are you sure the rims in your orginal pic are 13"s?

All the MP3 specs I see say 12" rims?

It's a Yourban. 13".

Ah, noted. Should have noticed - latest Vespa Club of Britain mag has a Yourban on the cover and a 4 page review inside

Michelin Pilot Sports available in 130 and 140/60-13, only a couple 10ths larger dia. than stock 12s.

Maybe, with a little change to the brake brackets, you can run the 240 mm discs of the Yourban also...

If overall diameter of tyre does not change, there should not be any changes to brake performance.

same hole pattern as on the 12" rims. just need to check diameter clearances . but should be just fine. You could find a yourban owner willing to let you use his rims for a test fit before you buy new rims.

Finally got my 13 inchers shod with Conti Twist Sports & 15 mm white reflective striping.

Beautiful. I also wanted to install some as fell in love with them. (A) How has it affected braking, (B) how has it affected gearing around town and gearing on highway/motorway (C) what tyre size did you end up using on front and back. Cheers.

Looks fantastic! What seat is that?

It's the Sport Seat. They have it at SIP for just under $200.

New mono gel saddle for the GTS

A Braking feels just the same

B Have not tried tried that, just installed the wheel and went for a little drive...

C front : 130/60-13
rear : 140/60-13

To be continued...

bet they help with the front end shaking/vibrations that are prone to the GTS250/300

I had them both balanced front & rear and have no problem so far.

That's the seat I thought you guys might want to use on your Iron Butt run.

Two things:
1. That looks fantastic, the whole scoot looks fantastic!
2. Bigger wheels do not necessarily provide better "performance". I am very curious about the weight comparison to the stock set-up.

I'd like to know if the larger wheels have provided more stability at speed. I'm not much of a modder, but if there was significant improvement, i'd do this in a heartbeat.

I like the look of that bike with the 13" but the Yourban wheels here in US are like bigfoot can't find any

More pictures :

Mu butt still hurts a bit, it's an improvement over the original seat but not ideal.

The total diameter of the wheels is almost exact to the original spec.
The wheels are larger but the tires are smaller.
They just look bigger.

Indeed, unfortunately i'm not going twice as fast now...

Forgot to weight them..

I like the look... alot..!!!!!
Great wheels and nice touch with the white rim striping.

wow that does look amazingly better.

And I love everything you have done to your gts.

You want a bigfoot? I'll get you a bigfoot. You don't want to know how, but there are ways.

Absolutely the best looking GTS ever. Perfection would require Vintage Red.
Seriously, so very clean and so very Vespa. WOW.
Well done!

Was this a straight swap? Were the new wheels just bolted on? How much were the Yourban wheels?

I adore your vespa. Not only do the wheel really set it off, but the clean lines are really wonderful. No crash bars, no racks, just the basic lines of the Vespa.

$175.00 each wheel from Sip.
$75 each tire
+ shipping to US

http://www.sip-scootershop.com/en/products/rim+front+for+piaggio+mp3_pi58618r

Scooter west or SDG may be able to do better on local price.

Total (without shipping costs) $546.63
416.80 EUR

My dealer told me that he had to machine the center hole but was kinda vague on what he had done....like he wants to keep "the" secret...

That kind of stability depends, of course, on the amount of weight in the rotating wheel. I don't know what the status is for this guy's wheel, but I found that putting on a set of heavy duty winter tires (Heidenau), which weighed considerably more than the stock tire, had the effect of making the scoot more committed to its line--straight or on a curve. The transition from one line to another was far slower. A trade-off, but desirable if you want the stability at speed.

Thanks for all the info.

I wish the OP would post an update...