Scott Ransom Front Mech Hitting Frame

TarkMalbot

Hi,

I have a problem with my Scott Ransom Carbon 10.

The old XT 3x9 mech that came with the frame had marks on it where it touched the frame under full compression.

When building the bike I went for a 2x10 Setup and SRAM front mech. The first time out the frame touched the mech under compression and bust the clamp pin.

I don't want to just keep buying mechs and it keep happening but I can't see anything wrong with the frame, bushes, bolts, alignment etc etc so unsure what to do to stop it happening.

A few photos:





Thanks.

386ka

TarkMalbot wrote:

Hi,

I have a problem with my Scott Ransom Carbon 10.

The old XT 3x9 mech that came with the frame had marks on it where it touched the frame under full compression.

When building the bike I went for a 2x10 Setup and SRAM front mech. The first time out the frame touched the mech under compression and bust the clamp pin.

I don't want to just keep buying mechs and it keep happening but I can't see anything wrong with the frame, bushes, bolts, alignment etc etc so unsure what to do to stop it happening.

A few photos:





Thanks.

Is it top swing or?

nicklouse

Fit the old mech then?

What is the difference in the lambing position between the two.

Is the 2X mech further up the stub?

Possible you may not manage to use this set up.

TarkMalbot

I think what I will do is fit the old mech, disconnect the bottom of the shock so that I can move the rear subframe through its motion and see how far up the post the mech has to be for it not to touch. Then research the 2x10 X9 SRAM Mech to see if the shame and design of the mount will fit where it needs to go. Hopefully it will not be too high that I can't use the 22/36 chain rings I have fitted.

nicklouse

The more I think about this it ain't going to work.

TarkMalbot

Why not?

This guy is running somethign very similar:

viewtopic.php?f=10017&t=12838773

Front Derailleur: Shimano LX FD-M580/31.8mm
Rear Derailleur: SRAM X0 Medium Cage
Shifters: SRAM X0 "Cash Green" Trigger
Chainset: Truvativ Firex 3.3 Triple Crank Set converted to a double chain ring
Chainrings: 36/22 Tooth Chainrings
Bash Guard: Blackspire Dewlie Double C4 Black/Green combo
Bottom Bracket: Truvativ GXP/73mm Shell
Cassette: SRAM PG 980 11-34 Tooth range/Black alloy spider
Chain: SRAM PC 991