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Old 04-21-12, 07:50 AM
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HillRider
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Join Date: Aug 2005
Location: Pittsburgh, PA
Posts: 32,809

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

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a. A new seatpost will be fine
b. Length doesn't matter as long as you have enough to have the "minimum insertion" mark below the seattube's top. Too long could hit the water bottle braze-ons inside the seat tube but that can be corrected with a hacksaw.
c. Aluminum is by far the best material for a seatpost. They come in both cheap and expensive models and can be used in a frame of any material. Be sure to grease it to prevent corrosion and binding.
d. A bike dealer should have a gauge that will give you the correct seatpost diameter for your frame. Seatposts themselves usually have their diameter engraved on them below the minimum insertion line.
e. Do you have the clamp bolt for the frame?
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