SLX Front Derailleurs are offered in many configurations to suit a range of MTB frame styles. Models FD-M660 and FD-M661 suit triple chainring cranksets, while models FD-M665 and FD-M667 are designed specifically for Mountain Compact cranksets.

Technical Documents
  • For triple crankset FC-M660
  • Wide link design
  • Angled adjustment screws
  • Angled clamp band design
  • Improved clearance
  • Lighter than the previous model
  • Fit for latest full suspension MTB
Model Number FD-M660-E
Series SLX
Swing Action TOP-SWING
Cassette Compatibility 9-speed
Maximum Capacity 22T
Top-middle Minimum Capacity 12T
Top Gear Teeth 44T
Cable Routing dual-pull type
Chain Line 50mm
Chain Stay Angle 66-69°
Multi-Clamp (28.6/31.8/34.9mm)
Seat Tube Band Mount
Band Material
BB Mounting Plate yes
Plate Material aluminum
Outer Link steel/painted
Inner Link aluminum/painted
Link Bushing
Chain Guide steel/chrome plated
Average Weight 170g