Thread: 2001-2004 Giant Boulder bottom bracket
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Old 01-07-23 | 08:57 AM
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dedhed
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Bikes: '68 Raleigh Sprite, '02 Raleigh C500, '84 Raleigh Gran Prix, '91 Trek 400, 2013 Novara Randonee, 1990 Trek 970

Without a doubt they'll be English threaded. Most likely square taper Could be 68 or 72mm shell but you can measure that. Length? unknown, but measurable if you remove the cranks
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