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Shimano DA 10sp /FSA 9sp crank/ring compatability?(8 posts)

Shimano DA 10sp /FSA 9sp crank/ring compatability?jjdbike
Oct 15, 2003 6:11 AM
Hello
I am thinking about buying an FSA Superlight Crankset (9 Speed Shimano compatable) next spring. This decision is based upon weight savings, my current rings wearing, and it will look cool w/ all of the other carbon fiber assessories. I run a 9 speed Dura Ace grouppo now, but intend to upgrade to 10 speed late next season. Can anyone tell me ( or hypothesize) how the 9 speed FSA crank & chain rings will work w/ the rest of the 10 speed set up (i.e., chain, derailures, cassette, and shifters)?
Thanks
JD
re: Shimano DA 10sp /FSA 9sp crank/ring compatability?russw19
Oct 15, 2003 9:07 AM
I know someone will get all up in arms over me saying this, but why ask here? I would be surprised if anyone here is actually riding Dura-Ace 10 yet. I know a few have seen it, myself included, but I haven't actually tried mixing the parts around yet. I would suggest you go straight to the source and email FSA and ask them for their advice. They are a good honest company and will give you a straight up answer.

e-mail – info@fullspeedahead.com

Drop that question on them and then tell us all what they say. They would most likely know because they sponsor teams that ride D-A 10 but still use their cranksets. Ask them what CSC did this year.

I don't know about you, but I would rather get an answer from someone who has actually done this then from a bunch of guys who are giving their best guess. Even if that best guess is a pretty good one, find someone who has actually done it first.

Russ
CSC was using 9-speed and SRAM cassette. nmdivve
Oct 15, 2003 9:47 AM
No, they weren't.Zonic Man
Oct 18, 2003 10:33 PM
In one of the Euro mags a couple of months ago they had a thing on Tyler's bike.

Surprised to find out that he ran a shimano cassette and chain in the TDF climbing stages.

The flat stages, I know FOR SURE that SOME of the CSC guys were running sram cassetes though. In the peleton, from moto shots from behind, you could see the red between the cogs.
re: Shimano DA 10sp /FSA 9sp crank/ring compatability?Rusty Coggs
Oct 15, 2003 10:48 AM
Cranks/chainrings are not the big deal in 8,9, and 10 speed that people try and make it out to be. I used a Shimano 600 8 speed crankset on an otherwise campy 10 speed setup,no problems. Shimano might say something about a thinner chain getting caught between the rings,but in actual practice,I have yet to hear of it. Sheldon Brown has said it's a non issue.
Don't know if this helps but the 04 DA FD & RD are listedDIRT BOY
Oct 15, 2003 11:40 AM
as a 9/10 Spd compatibilty in my dealers catalog.
Lot's of people are using 8spd Chainrings with 9spd system using SRAM chains with great success. Shimnao even says it ok. Maybe the same will work with 10spd. If you measure 8spd to 9spd rings they are pratically the same.

E-mail FSA and ask them like others have said. They are really great to deal with.

Here is something from there website:

Patented Carbon composite crank arms One-piece crankarm/spider Precision CNC machined 7075/T6 chainrings, ramped and pinned for perfect shifting Shimano Octalink - 9 speed ISIS Drive – 9 or 10 speed 53/39 or 53/42 teeth

DIRT BOY
Largest Gallery of Light Weight Bikes
Confirmed form FSA: 9spd Rings ok with DA 10 Drivetrain. [nm]DIRT BOY
Oct 16, 2003 9:42 AM
some secondhand info...divve
Oct 17, 2003 11:06 PM
...for what it's worth I heard that you basically only need the new shifters and 10s cassette to convert. The rest you can continue using.