What is the FD clamp size on a allez epic
02-14-07, 11:20 AM
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What is the FD clamp size on a allez epic
No amount of searching has shown me what the clamp diameter might be for my early 90's carbon fiber Allez Epic.
02-14-07, 11:56 AM
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Originally Posted by Re-Cycle
No amount of searching has shown me what the clamp diameter might be for my early 90's carbon fiber Allez Epic.
02-14-07, 12:01 PM
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Originally Posted by capwater
Probably 27.2mm, but here's a better option ...... measure it!
Last edited by Moose; 02-14-07 at 12:07 PM.
02-14-07, 03:09 PM
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Originally Posted by Moose
capwater's thinking seatpost diameter, FD clamp is at least 31.8 mm. However, many carbon frames don't use a clamp-on FD. Make sure you don't have a braze-on FD which mounts to a tab attached (brazed in the case of steel) to the seat tube.
I still say if you have the frame just measure the diameter!
02-15-07, 10:35 AM
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Current derailleur clamps come in three diameters, 1-1/8" (28.6 mm), 1-1/4" (31.8 mm), and 1-3/8" (34.9 mm) so it should be fairly easy to measure your seat tube and determine which of the three you need. The differenced are pretty apparent.
02-15-07, 11:45 AM
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Originally Posted by Re-Cycle
No amount of searching has shown me what the clamp diameter might be for my early 90's carbon fiber Allez Epic.
02-15-07, 11:47 AM
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Originally Posted by Moose
capwater's thinking seatpost diameter, FD clamp is at least 31.8 mm. However, many carbon frames don't use a clamp-on FD. Make sure you don't have a braze-on FD which mounts to a tab attached (brazed in the case of steel) to the seat tube.
02-15-07, 01:58 PM
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I used a length of clear tape to measure mine. Put a mark on one end of tape, wrap tape around tube overlapping first mark, then put second mark over first. Carefully unwrap tape and place over straight ruler. Divide by pi.
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02-15-07, 03:26 PM
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Originally Posted by robtown
I used a length of clear tape to measure mine. Put a mark on one end of tape, wrap tape around tube overlapping first mark, then put second mark over first. Carefully unwrap tape and place over straight ruler. Divide by pi.
