SHIMANO ALIVIO SIDE SWING Front Derailleur (Clamp Band Mount) 2x9-speed

FD-M4020-M-B

SHIMANO ALIVIO SIDE SWING Front Derailleur (Clamp Band Mount) 2x9-speed

FD-M4020-M-B

SHIMANO ALIVIO - Front Derailleur - SIDE SWING - Clamp Band Mount - 2x9-speed

The SHIMANO ALIVIO FD-M4020 series 2x9 front derailleurs use SHIMANO's new SIDE SWING for enhanced cable routing, light action, and smooth operation. The new design also increases clearance for large wheels and short chain stays.

FEATURES

  • Enhanced maneuverability with plus-sized tires
  • Wider clearance for large wheels
  • Compatible with shorter chainstay
  • 3 mm outboard chainline
  • Increased shifting efficiency and light operation force
  • Efficient cable routing
  • Smooth shifting performance
  • Optimal front system for internal cable routing

PRODUCT SPECIFICATIONS

MODEL NO FD-M4020-M-B
SERIES SHIMANO ALIVIO M4000 Series
Color Series color
Compatible chain HG 9-speed
Action|SIDE SWING
Mount|Clamp Band (mm)|28.6 X (w/ S size adapter)
Mount|Clamp Band (mm)|31.8 X (w/ M size adapter)
Mount|Clamp Band (mm)|34.9
Cable route type|Front-Pull
Chain line (mm) 51.8*
Chain stay angle (deg.) 64-69
Top gear teeth 36T
Total capacity 14T
Angled stroke adjust screw
Link bushings 4

Manuals & Technical Documents