SHIMANO ALTUS FD-M2020 2x9-SPEED TOP SWING FRONT DERAILLEUR 64-69° trek kids Radiator Fin: Yes

Radiator Fin: Yes

17 or 19 teeth

Brake lever and caliper: Carbotecture SL (Master)

The world’s fastest race lube

SHIMANO ALTUS FD-M2020 2x9-SPEED TOP SWING FRONT DERAILLEUR 64-69° trek kids Radiator Fin: YesThe Shimano ALTUS FD M2020 top swing front derailleur is compatible with traditional mounting standards and guarantees precise, superior shifting with 2x9 speed cranksets. Features Shimano ALTUS FD M2020 2x9 speed Front Derailleur Improved tire clearance TOP SWING Front Derailleur Precise and reliable shifting Wide Link Consistent off road front shifting HYPERDRIVE Greater compatibility One spec for 48. 8mm & 51. 8mm chainline Mounting low clamp