Tire size

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Nov 19, 2019 | 09:50 PM

koukey

Thread Starter

Intermediate

Joined: Jan 2012

Posts: 35

Likes: 1

From: Winnipeg Canada

Tire size

Currently running 21" on front and 18 rear on 03 FLHT. What are the implications if I go to a 16 in the rear?
thanks

Nov 19, 2019 | 09:55 PM

sanman4ever

Club Member

Joined: Apr 2012

Posts: 3,459

Likes: 329

From: Rhode Island

21" x 16" on mine no issues at all.

Nov 20, 2019 | 05:17 AM

caulk04

Road Master

Joined: Jul 2016

Posts: 870

Likes: 245

From: Transfer, PA

Nothing. Just get the right size.

All front tires are essentially the same diameter until you get to 21"+ also...why's everyone think the wheel has anything to do with the overall diameter?

Nov 20, 2019 | 05:27 AM

Eva White

Stage II

Joined: Nov 2019

Posts: 2

Likes: 0

From: new york, United state

Blackwall 16 Inch in rare would be the best choice. must experience it.

Nov 20, 2019 | 10:22 AM

btsom

Grand HDF Member

Joined: Jan 2012

Posts: 4,445

Likes: 2,816

From: Oklahoma

You don't say what you ride, unless I missed it. Could be lots of money for what is hidden by saddle bags. The poster above said nothing about running out of headlight adjustment to keep the beam properly aimed. Perhaps he doesn't ride at night.

Nov 20, 2019 | 02:24 PM

Dynamick

Club Member

Joined: Feb 2013

Posts: 9,768

Likes: 8,641

From: Edmonton, Alberta

I'm sure 16" would have been the original rear wheel size on your bike, so just look up the spec for the OEM rear tire size, use that and you'll be OK.

Nov 21, 2019 | 08:42 AM

grbrown

Club Member

Joined: Jun 2007

Posts: 45,429

Likes: 2,897

From: Bedford UK

Quote:

Originally Posted by koukey

Currently running 21" on front and 18 rear on 03 FLHT. What are the implications if I go to a 16 in the rear?
thanks

When new your bike had a 16" rear wheel, with IIRC a 130/90 section tyre. I suspect your current 18" rear wheel has a much lower profile tyre? It may be a little larger than a stock tyre, which may affect gearing a little.