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Seatpost Clamp??

Old 08-14-08, 06:49 PM
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Seatpost Clamp??

i went to my LBS and they said i need to measure my frame diameter to find the right size for a seatpost clamp...please help. what should i be measuring
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Old 08-14-08, 07:09 PM
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Selecting the right clamp will require measuring the outside diameter of the seat tube. For the vast majority of frames, seat tubes come in one of three outside diameters:

1-1/8" (28.6 mm)
1-1/4" (31.8 mm)
1-3/8" (34.9 mm aka 35 mm)

Your frame should take one of these sizes.
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