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Author Topic: Cb550 rims  (Read 1861 times)

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Offline cocinero196

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Cb550 rims
« on: March 11, 2016, 10:42:06 PM »
Hi, i'm planning to change my stock 40 spoke 1.85 x 18 rear rim on my '77 cb550k to a 2.15 or 2.5 x 18 rim (i'm changing tires to 4.50 or 120 wide tires), would any 2.15 or 2.5, 40 spoke 18 iinch rim match & fit the stock spokes and hub of the cb550?
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Offline calj737

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Re: Cb550 rims
« Reply #1 on: March 12, 2016, 04:10:43 AM »
I've used 18" 2.15 Sun rims with stock spokes, but can't say for certain that "all 40 holes" would work.
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline cocinero196

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Re: Cb550 rims
« Reply #2 on: March 12, 2016, 10:39:43 PM »
Quote from: calj737 on March 12, 2016, 04:10:43 AM
I've used 18" 2.15 Sun rims with stock spokes, but can't say for certain that "all 40 holes" would work.
Hi cal! what's the size of your tires? you mean, you're not using all 40 spokes for the stock hub? some holes are empty? :o
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Offline calj737

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Re: Cb550 rims
« Reply #3 on: March 13, 2016, 07:13:33 AM »
Ha, I meant "all 40 hole rims"  ;D

On 2.15 I use up to a 120/
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline cocinero196

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Re: Cb550 rims
« Reply #4 on: March 13, 2016, 08:29:25 PM »
Quote from: calj737 on March 13, 2016, 07:13:33 AM
Ha, I meant "all 40 hole rims"  ;D

On 2.15 I use up to a 120/

Ahh...haha. Roger that. Thanks bud! How does one measure the 2.15 inches on the rim, when i measured the width of a 2.15 rim, it was more than 4 inches, what exactly is the 2.15?
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Offline calj737

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Re: Cb550 rims
« Reply #5 on: March 13, 2016, 08:54:52 PM »
Look at the rim in "sectional" view. The interior shoulder that supports the tire bead should be 2.15"
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline cocinero196

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Re: Cb550 rims
« Reply #6 on: March 15, 2016, 04:07:39 PM »
Quote from: calj737 on March 13, 2016, 08:54:52 PM
Look at the rim in "sectional" view. The interior shoulder that supports the tire bead should be 2.15"

Got it. Thanks cal 8)
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Offline RAFster122s

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Re: Cb550 rims
« Reply #7 on: March 15, 2016, 04:55:59 PM »
Sun makes good rims but on bicycles several years ago they were trustworthy to be pretty true running without any wobbles to try to tune out, not true of all rims out there. The DID rim oisthe pricey alternative and the Excel aluminum rims are good choices to. Sun are typically more economical. Beware of counterfeit as the Chinese are counterfeiting all kinds of things and sometimes even reputable places get burned by them...most that know their business don't get stung by it.
David
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David- back in the desert SW!

Offline nicks2319

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Re: Cb550 rims
« Reply #8 on: March 15, 2016, 06:35:48 PM »
Can always lace a 750 rear rim to the 550 hub. That's what i'm running.
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Offline cocinero196

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Re: Cb550 rims
« Reply #9 on: March 15, 2016, 06:57:17 PM »
Quote from: nicks2319 on March 15, 2016, 06:35:48 PM
Can always lace a 750 rear rim to the 550 hub. That's what i'm running.

that's the plan, been looking for a 750 40 hole 2.15 x 18 rim
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