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Old 05-10-11, 03:34 PM   #1
Bianchigirll 
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Campi tapers again just a quick double check

I am trying to order a Phil BB doe some older SR/NR cranks for the Hetchins. I thought I needed an ISO taper but when asking Phill which length would work better the said I needed JIS??

so which would be correct? they offered this " We offer a 113mm JIS bottom bracket, which we can custom offset to +3mm on the drive side."

I would certainly order a custom offset provided the taper was correct.

the other two options were 110.5 with 3mm right offse BRSDoR. or a 115 with a 5mm right offset BRSD5R.

the Campy catalog I use for reference (the catlogue 18) calls for a 112 spindle with 3mm of right offset for a English BB?

so which do I get?

Sheldon seems to say Campi (atleast older) uses a ISO taper.

thanks for you insight
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Bianchis '87 Sport SX, '90 Proto, '90 Campione del Fausto Giamondi Specialisma Italiano Mundo, '91 Boarala 'cross, '93 Project 3, '86 Volpe, '97 Ti Megatube, , '90 something Vento 603,

Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '09 Motobecane SOLD, '?? Jane Doe (still on the drawing board), '90ish Haro Escape
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Old 05-10-11, 04:10 PM   #2
shnibop 
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If you are using the crank you got from me, you want:

BRS16R Stainless Steel Bottom Bracket 68/73mm - JIS
$119.00
Stainless Steel Bottom Bracket
Description: 68/73mm- JIS Length(mm): 116 Offset(mm): R+5 Weight(gm):222


That crank is post CPSC so it takes the wider spindle, trust me, it was a major headache figuring that one out lol.
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Old 05-10-11, 04:16 PM   #3
Bianchigirll 
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yes that is the crankset. thank you so much. I was not aware there was change in the cranks under the reflector laws LOL

if I moderator stumbles on this thread you can close it, unless others wish to keep debating this.
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Bianchis '87 Sport SX, '90 Proto, '90 Campione del Fausto Giamondi Specialisma Italiano Mundo, '91 Boarala 'cross, '93 Project 3, '86 Volpe, '97 Ti Megatube, , '90 something Vento 603,

Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '09 Motobecane SOLD, '?? Jane Doe (still on the drawing board), '90ish Haro Escape
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Old 05-10-11, 05:16 PM   #4
Charles Wahl
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Lore is that pre-1994 Campy taper was slightly larger (end dimension) than ISO, and they changed to ISO in 1994. That's why Phil Wood has recommended the JIS. They didn't make an old-Campy taper, probably because it's close enough to JIS. For a "chunkier" taper end, you'd want a slightly shorter spindle, theoretically, than the original Campy one. Campy road spindles changed at CPSC-time because the crank arm raised boss on the back side was changed. Here's a useful link at Bicycle Classics:
http://00eda5d.netsolhost.com/bottom.html
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