Front: 3-speed Altus Shifter + 3-speed Shimano Derailleur
Rear: 9-speed Altus Shifter + 9-speed Shimano Derailleur
9-speed freewheel
3-speed crank
9-speed Shimano Deore chain
800 mm long handlebar
New hand grip
New bearing bottom bracket
Good tire grip
Good braking performance