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BB Sizing for 2001 Giant OCR 1(5 posts)

BB Sizing for 2001 Giant OCR 1Rockin Johny
Sep 25, 2002 5:04 PM
I am in the process of building up my new road bike...a 2001 Giant OCR 1, and was looking for the correct BB size for it. The website specs a 68 x 118 for the OCR 1 using a triple ring set up. I am using a Ultegra 600 crank with a double ring set up. Should the spindle length still be 118mm?

John
re: BB Sizing for 2001 Giant OCR 1Lactate Junkie
Sep 25, 2002 5:13 PM
No-- Ultegra Double BB-6500 is 68 x 109.5 You can also use Dura Ace BB-7700 or 105 BB-5500 in the same size
re: BB Sizing for 2001 Giant OCR 1Rockin Johny
Sep 25, 2002 5:24 PM
Are those square taper BB's? My crank set is a Square taper set...the 8 speed Ultegra 600 cranks

John
re: BB Sizing for 2001 Giant OCR 1Rusty Coggs
Sep 25, 2002 6:28 PM
The 8 speed sq taper 600 used a 115mm.
Thanks for the input (nm)Rockin Johny
Sep 26, 2002 3:48 AM