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 NumberFD-M665
SeriesSLX
Swing ActionTOP-SWING
Cassette Compatibility9-speed
Maximum Capacity14T
Top-middle Minimum Capacity-
Top Gear Teeth36T
Cable Routingdual-pull type
Chain Line46.8mm
Chain Stay Angle65-71°
Multi-Clamp (28.6/31.8/34.9mm)yes
Seat Tube Band Mount28.6/31.8/34.9mm
Band Materialaluminum/painted
BB Mounting Plate
Plate Material
Outer Linksteel/painted
Inner Linkaluminum/painted
Link Bushing
Chain Guidesteel/chrome plated
Average Weight142g