Products

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
Features
  • All mountain compact drive
  • For double crankset FC-M665
  • Compact cage design
  • Exclusive design for All-Mountain compact draive
  • Matched radius reduces chain drop
  • Wider xhain stay angle improved suspension compatibility (65-71 degrees)
  • Improved clearances
Specifications
Model Number FD-M665
Series SLX
Swing Action TOP-SWING
Cassette Compatibility 9-speed
Maximum Capacity 14T
Top-middle Minimum Capacity -
Top Gear Teeth 36T
Cable Routing dual-pull type
Chain Line 46.8mm
Chain Stay Angle 65-71°
Multi-Clamp (28.6/31.8/34.9mm) yes
Seat Tube Band Mount 28.6/31.8/34.9mm
Band Material aluminum/painted
BB Mounting Plate
Plate Material
Outer Link steel/painted
Inner Link aluminum/painted
Link Bushing
Chain Guide steel/chrome plated
Average Weight 142g