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techtalk:ih:wheels01 [2020/09/02 22:29]
hippysmack [Front]
techtalk:ih:wheels01 [2021/09/12 02:12]
hippysmack [Factory Wheels Pics]
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 +
 +===== Tapered Bead Rims =====
 +The "​special"​ wheels that were paired to the "​special"​ tapered bead rims were known as "​C-section"​ rims. \\
 +"​C-section"​ rims can be positively identified after the tire is removed from the rim by the part numbers stamped in rim. \\
 +  * "​C-section"​ Rim Part#s for "High Ground Clearance"​ Sportsters:
 +    * Steel Rims:
 +      * Front (43003-70) 19 x 2.50C
 +      * Rear (43004-70) 18 x 2.50C
 +    * Aluminum Rims:
 +      * Front (43010-70) 2.50C-19
 +      * Rear (43008-70) 2.50C-18
 +
 +Standard low clearance models did not have the "​special"​ rims and use standard tires. \\
 +
 +  * Other notes:
 +    * 43005-70 steel 18" steel spool rear drum
 +    * 43008-70 (250 C) aluminum 18" steel spool rear drum
 +    * 43002-70 steel 19" '64-72 style front drum
 +    * 43010-70 aluminum 19" '64-72 style front drum
 +    * 42998-74 (250 C) aluminum 19" aluminum hub front disc (made in Italy)
 +    * 43018-73 steel 19" aluminum hub front disc
  
 ===== Factory Wheels Pics ===== ===== Factory Wheels Pics =====
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-  * 43005-70 steel 18" ​steel spool rear drum +==== Tires ==== 
-  * 43008-70 ​(250 C) aluminum 18" steel spool rear drum +Starting in 1970, Harley Davidson partnered with Goodyear for a new "​special" ​tires and rims for standard "high ground clearance"​ Sportster models. \\ 
-  * 43002-70 steel 19" '64-72 style front drum +The tires are identified on the sidewall as (front 3.75 x 19 Sport Rib and rear 4.25 x 18 All Traction) \\ 
-  * 43010-70 aluminum 19" ​'64-72 style front drum +The MoCo has written that these tires must be used exclusively for replacement on the special "C-secton" ​rims. \\ 
-  * 42998-74 (250 C) aluminum ​19" aluminum hub front disc (made in Italy) +These rims have a special tapered bead seat with a safety hump at the top of the center drop. \\ 
-  * 43018-73 steel 19" aluminum hub front disc+By design, standard tires such as Goodyear 3.50 x 18, 4.00 x 18 or 3.25/3.50 x 19 sizes will not fit correctly on these rims and are an unsafe replacement. \\ 
 ====== Tires ====== ====== Tires ======
 |mystique surrounding the use of taper based tires/ rims apparently centered around 18" and 19" rear tires. ​ ((http://​www.jockeyjournal.com/​forum/​archive/​index.php/​t-22085.html)) |mystique surrounding the use of taper based tires/ rims apparently centered around 18" and 19" rear tires. ​ ((http://​www.jockeyjournal.com/​forum/​archive/​index.php/​t-22085.html))