Sunrace MX60 1x12 Speed Groupset without crankset 2019

219,90 €
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Sunrace MX60 1x12 speed groupset is the best way to adapt a 12 speed drivetrain to your bike for the best budget. This kit include the Sunrace MX60 12 speed rear derailleur, the MZ3 12 speed shifter, the 11-50T MZ90 cassette and a Sram NX Eagle 12 speed chain. This kit is compatible with Shimano/Standard freehubs and will not fit XD Freehub bodies



Sunrace new MX60 is a 12 speed rear derailleur that is also compatible with 10 and 11 speed systems. It features a medium aluminium cage and stabilizer function that allow to tension the return spring in order to reduce chain movments. Sunrace MX60 is compatible with 1x12 systems with 10 T smaller cog and 50T bigger cog and with 2x10 and 2x11 speed with 10 T smaller cog and 42T bigger one. 


  • Body material : Aluminium
  • Inner cage material : Aluminium
  • Outer cage material : Aluminium
  • Cage length : Medium
  • Speed : 10, 11, 12
  • Upper Pulley wheel : 12 teeth
  • Lower Pulley wheel : 14 teeth
  • Stabilizer function
  • Pulley axle : bushings
  • Max sprocket size : 50 teeth (in 1x12 or 1x11) and 42 T (in 2x10 and 2x11)
  • Min sprocket size : 10 teeth
  • Capacity : 40 T
  • Colour : Grey

Sunrace weight : 278 gr



Sunrace MZ3 12 speed rear trigger shifter is designed to work with all Sunrace 12 speed rear derailleurs. Featuring the dual release technology, this shifter can be actuated by pulling or pushing on the lever. It comes with a slick stainless cable.


  • Shift lever material : Alloy
  • Position : Right
  • Speed : 12
  • Mount :
      - Clamp
  • Technologies :
      - Dual Release
  • Drivetrain compatibility : Sunrace 12 speed
  • Colour : Black
  • Delivered with :
      - 1 stainless steel cable

Sunrace weight : 125 gr



Sunrace MZ90 is a 12 speed cassette with 11-50T with full compatibility with Standard Freehub. That's the solution for those who do not have XD body and want to run 1x12 drivetrain. It's compatible with Sram XX1 Eagle, X01 Eagle and GX Eagle 12 speed rear derailleurs and is available in Silver or Black like here. 


  • High performance 12-speed cassette
  • Gear : 11-50T
  • Ratio : 454%
  • 11-13-15-17-19T spare sprocket made with steel
  • 21-24-28T sprocket made with steel and on alloy spider carrier
  • 32-36T made with steel and 42-50T sprocket made in aluminium all together on alloy spider carrier
  • A7075 Largest Sprocket
  • Derailleurs compatibility : Sram XX1 Eagle, X01 Eagle and GX Eagle 12 speed rear derailleurs
  • Chain compatibility : 12 speed
  • Free hub compatiblity : Standard (Shimano 9-10-11 speed and Sram 9-10 speed)
  • XD Free hub not compatible
  • Alloy Lockring and Spacers
  • Ratio: 11-13-15-17-19-21-24-28-32-36-42-50t
  • Finish: Black

Weight : 585 gr



The Sram PC NX Eagle 12 speed chain is the solution for affordable acces to 12 speed drivetrains. It takes same construction as X01 Eagle and XX1 with Flow Link technology for smooth and silent shiftings. The difference is on pins and chain coating. Indeed this GX Eagle uses solid pins that increase a little the weight (8 gr more heavy than X01 Eagle...) but makes it more afordable.


  • Links material : Steel
  • Links number : 126
  • Speed : 12
  • Technologies :
      - Flow Link
      - PowerLock
      - X-Sync
  • Compatibility : MTB Sram Eagle 12 speed drivetrains
  • Colour : Silver
  • Comes with an Eagle 12 speed PowerLock

Sram weight : 278 gr

Technical details

Part numberCOMBO257
Cassette11-50 dents
Front derailleurNot included
Crank ArmsNon inclus
Speed1X12 vitesses
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