Cutting a Carbon Fiber Steerer Tube
Moderator: robbosmans
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It's pretty simple when done with care but READ THIS CAREFULLY if this is your first time.
And remember: measure twice, cut once....
And remember: measure twice, cut once....
"Gimondi è un eroe umano, che viene sconfitto ma che continua la sua corsa fino a tornare a vincere." - Enrico Ruggeri
there is a good guide to this at:
http://www.eastonbike.com/TECH_FAQ/tech_techbull.html
look at number 5 - "cutting carbon"
http://www.eastonbike.com/TECH_FAQ/tech_techbull.html
look at number 5 - "cutting carbon"
Got the Park tool. It a superb tool, and always take the most versatile (parktool delivers a range, so you can also cut 1"an 1 1/4" tubes and Seatposts as wel
Last edited by sharkman on Sat Jan 15, 2005 9:32 pm, edited 1 time in total.
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DANIELSON wrote:Just a quick note that once you have cut the fork to the desired length, do not dress it with a file. Use some light wet/dry about 1200 grade. It stops the carbon de-laminating. Dan
1200? That is a bit on the fine side, depending on what blade you use. I prefer to start with 400 as it makes the process much faster. I also give the tube a slight chamfer which prevents delamination when facing the tube end. After all is done, a light coat of thinned epoxy will seal the cut end if there is any porsity.
I don't use a cutting guide on CF. I prefer to wrap the tube with masking tape, score the cut line with a razor sharp tube cutter and cut just outside of this line.
tube cutters, no matter how sharp they are put pressure on the steerer. A good guidance and a special sawing blade (dedicated for carbon with as many teeth as possible) is a far better way.
Finally, especially when used in the wet: don't forget to seal the surface with nail polish or better, super glue to make sure fiber won't come loose and water won't com in.
Finally, especially when used in the wet: don't forget to seal the surface with nail polish or better, super glue to make sure fiber won't come loose and water won't com in.
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