SHIMANO front derailleur 'SLX', M660-series for 3-speed cranksets

Tough, aggressive & light - got to the heart of Shimano's SLX components.

This item is no longer being offered by the manufacturer
  • for 9-speed triple cranks

Product information & technical details

brand: SHIMANO
Material: Aluminium, Steel
brand: SHIMANO
Gear system: 9-speed
Gear control: mechanical
Chainline: 50

Description

  • DUAL SIS with index gear shift also front
  • Dual-Pull - cable linkage from the top or bottom possible
  • Multi adapter for different seat tube Ø28,6/31,8/34,9mm
  • Total capacity: 22T.
  • Min. difference between outer/middle chainring: 12T
  • Top Swing = clamp is underneath the front derailleur swivel arm, Down Swing = clamp is above the front derailleur swivel arm, E-type = Top Swing design but fixing of the derailleur together with the bottom bracket, Direct mount = derailleur is attached to a braze-on socket of the frame
  • Versions (manufacturer code):
    • FD-M660: Top Swing front derailleur, 66-69° chain stay angle
    • FD-M661: Down-Swing front derailleur, 66-69° chain stay angle
    • FD-M660-10 Top-Swing front derailleur, 66-69° chain stay angle for 10-speed
    • FD-M661-10 Down-Swing front derailleur, 66-69° chain stay angle for 10-speed
    • FD-M661-10D Down-Swing front derailleur, 66-69° chain stay angle for Direct mount
    • FD-M660-E Top-Swing front derailleur, 66-69° chain stay angle with E-type
    • FD-M660-10E Top-Swing front derailleur, 66-69° chain stay angle with E-type and for 3x10-speed
    • FD-M665-E Top-Swing front derailleur, 66-69° chain stay angle with E-type and for 2x9-speed
    • FD-M665 Top-Swing front derailleur, 65-71° chain stay angle for 2x9-speed
    • FD-M667 Down-Swing front derailleur, 65-71° chain stay angle for 2x9-speed

Further details

advanced technical data
Max. chainring size 46-52T.
Total capacity 16T.
Chain stay angle 63-66°
Max. difference between outer/
middle chainring
10T.

English reviews written for SHIMANO SLX-660 front derailleur 3x9s