Ironhead A place to talk about Ironheads.

tire size

Thread Tools
 
Search this Thread
 
Old Jan 25, 2009 | 09:32 AM
  #1  
rc51ironhead's Avatar
rc51ironhead
Thread Starter
|
6th Gear
Joined: Jan 2009
Posts: 14
Likes: 0
Default tire size

what is the stock rear and front tire size for 1975 sportster
 
Reply
Old Jan 25, 2009 | 11:55 AM
  #2  
mojo2go's Avatar
mojo2go
Tourer
Joined: Apr 2006
Posts: 351
Likes: 0
From:
Default

I believe the fronts were MJ90-19 and the rears were MT90-16.
 
Reply
Old Jan 26, 2009 | 12:27 AM
  #3  
sepixlh's Avatar
sepixlh
Road Master
Joined: Aug 2006
Posts: 751
Likes: 6
From: 500 miles south from Artic Circle
Default

Rear tyre has been MT90-18, year 1979 HD released 16" rearwheels on sportsters..
 
Reply
Old Jan 30, 2009 | 08:37 AM
  #4  
Moon Wolf's Avatar
Moon Wolf
Cruiser
Joined: May 2007
Posts: 149
Likes: 2
Default

Yep, stock rear on the early bikes is 18." Most guys back then laced their rear hubs to 16" rims, so the eighteens are a bit rare, but if you want to be correct... I think the eighteens look a lot better anyway.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
rauchman
Dyna Glide Models
0
Sep 28, 2015 09:13 AM
Eric McIllece
Dyna Glide Models
0
Aug 21, 2012 06:21 PM
twenty_over
Touring Models
2
Mar 14, 2009 02:47 PM
dansflhti
Frame/Suspension/Front End/Brakes
0
Dec 1, 2007 07:45 AM
dansflhti
Touring Models
0
Nov 28, 2007 04:55 PM




All times are GMT -5. The time now is 01:17 AM.

story-0
6 Weirdest Harley-Davidsons Ever Sold to the Public

Slideshow: From military-inspired singles to scooters and three-wheel utility vehicles, these Harleys took the company far outside its comfort zone.

By Verdad Gallardo | 2026-06-02 18:34:10


VIEW MORE
story-1
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-2
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-3
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-4
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-5
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-6
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-7
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-8
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-9
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE