Year:  about 2015 , but it is brand new,  never installed  Original OE SRAM packaging 

2pcs Jockey Wheel Rear Derailleur Pulley  broken  

 

 

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•  New SRAM X7 3pc 2x10 speed Derailleur Groupset

  Brand new never installed  Original OE SRAM packaging

  Included: SRMA X7 Shifter, Front Derailleur, Rear Derailleur

  SRAM X7 2x10 without handlebar mount ( Shfiter )
  SRAM X7 2x10 Clamp 35mm Double Low Mount ( Front Derailleur )
  SRAM X7 10 Speed Mid Cage ( Rear Derailleur )
   

  New SRAM X7 2x10 20 Speed Shifters MTB Bike Derailleur Lever Control

  Brand new never installed  Original OE SRAM packaging

  SRAM’s 2X10 Exact Actuation for precise and dependable 10 speed performance
  Impulse Technology
  MatchMaker compatible
  Top cap cable change
  Storm Grey finish

  Exact ActuationMatchMaker Compatible

      Brand: SRAM
      Model: X7

  Compatibility     SRAM 1:1® rear derailleurs, SRAM, Shimano® front derailleurs
  Technology     Impulse Technology
  Finish     Storm Grey
  Colors     Storm Grey

  New SRAM X7 FRONT DERAILLEUR Low Clamp 35mm

  Brand new never installed, in SRAM OEM packing

  Wide range 2X10 systems with X-GLIDE™ front shifting technology
  Dual pull routing
  Low Clamp

  Fit for your 34.9mm frame

      Brand: Sram

      Model: X7

  Speeds     2X10
  Material     Forged AL-6061-T6
  Weight     137g
  Outer Cage     Steel
  Inner Cage     Steel
  Mount     low mount

   

  New SRAM X7 10 speed Rear Derailleur Medium Cage

  Brand new never installed, in SRAM OEM packing

  SRAM Exact Actuation for precise and dependable 10 speed performance
  Storm Grey finish

  .
  Speeds     10-speed
  Material     Alloy B knuckle, Alloy links, High Strength Grilon® Composite P-Knuckle, Serviceable sealed pulley
  Compatibility     Exact Actuation Ratio, 10-Speed
  Inner Cage     Alloy
  Bearings     Bushing
  Cage Sizes     Medium 75mm
  Finish     Storm Grey
  Technology Highlight(s)     1:1® actuation

      Brand: SRAM
      Model: X7
      Color: Grey
      Cage Length: 75mm
      Speed: 10