The front derailer on my sram red compact just wont change quick!

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the shift wire that goes into the derail-er might need to be pulled a little more loosen the nut that holds it tight and then pull the cable some then tighten the bolt back up and do different variations on that till it rides and shifts smooth

If not too late return it to the place that sold it to you and request it be fixed to work properly. Otherwise take to a bike shop or bike co-op. Alternatively go to Repair Help or Sheldon Brown Bicycle Technical Information to learn how to fix it yourself

I’m happy to help further over the phone at https://www.6ya.com/expert/donald_f2ed37026a3ac881

A web search for "setting up my sram red front derailleur' yields videos instantly.

http://www.parktool.com/blog/repair-help/front-derailleur-adjustments

To use Sram Red Shifters with such a wide range rear cassette requires a Sram 10-speed MTB rear derailleur such as an XX or X.0, it will work without problems with your red shifter.

Because it is a road bike, i suggest leaving the road crankset and front derailleur in place. If you need low gearing I suggest a compact front crankset.

If you need to use a mtb crankset, attept to use the road front derailluer with it.

http://www.parktool.com/blog/repair-help/front-derailleur-adjustments

No -

If you are going to use the front triple crankset, then you need to use the 6603 components. These are for Triple set-ups.

If you intend to keep your bike a triple, then everything in the drivetrain must be the triple designation, hence the XX03.

If you want to change the crankset to a compact, then you can use the 6600 (double) equipment, but you will need to change the left (front shifter) to a double as well. The compact crankset, will give you virtually the same range as the triple and be much lighter and shift better.

The cassette: You can use any 10 spd cassette from Shimano or SRAM as long as the rear cog is no larger than 27. if you want to use a larger cog like a 28, then you will have to use the 6700 group, assuming yoiu want to stay with shimano ultegra.

Final Note: Since you are chainging everything, you may want to consider the SRAM Apex group, this gives you more gear ratio than the Ultegra, is slightly less expensive and around the same weight. Great alternative to Triple bikes.

Parts you will need to convert:
Rear Derailleur
Front Derailleur (if changing to compact double or Apex)
Chain
Shifter set (if Apex)
Crankset (if Apex or compact shimano)
Bottom Bracket (if Apex)

The biggest thing is that Shifters and rear derailleur must be from the same company (shimano, SRAM, etc.) after that just make sure that yoiu use 10spd with 10spd, 9 with 9, and so on. Everything else can mix and match.

check ur cable tension or the high and low adjustment screws on the derailer

on front derailleurs there should be two small cross head screws one has L(lower) next to it the other has H(higher), you will need a cross head srewdriver, you simply losten or tighten the 2 screws and it will adjust the position of the derailleur to your crankset and it that completely fails then you might need to try a different crankset