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

FD-M4020-M

ACERA_M3000_m

FD-M4020-M

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.

  • Enhanced maneuverability with plus-sized tires
  • Wider clearance for large wheels
  • Compatible with shorter chainstay
  • 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
SERIES ACERA M3000 Series
Color Series color
Action_Side Swing
   
Angled stroke adjust bolt
Cable route type_Front-Pull exclusive
Chain line (mm) 48.8
Chain stay angle 64-69
Compatible chain HG 9-speed
Link bushings 4
Mount_Clamp Band_28.6mm X (w/ S size adapter)
Mount_Clamp Band_31.8mm X (w/ M size adapter)
Mount_Clamp Band_34.9mm
Speeds_Front 2
Speeds_Rear 9
Top gear teeth 36T
Total capacity 14T

SERIES LINE-UP

  • Bottom Bracket Square Type Bottom Bracket
  • Bottom Bracket Square Type Bottom Bracket
  • Pedal SPD Trail Pedal
  • Front Derailleur SHIMANO ALIVIO SIDE SWING Front Derailleur (E-type Mount) 2x9-speed