Shimano Tourney MF-TZ20 Free Wheel - 6 Speed 150 Athletes can make use of

Athletes can make use of dextrose for energy without hitting their glycogen reserves

Universal head for Presta or Schrader valves

With Reach Adjust and an Optical Gear Display

Clamp height is fully adjustable

Mud shedding design

Shimano Tourney MF-TZ20 Free Wheel - 6 Speed 150 Athletes can make use ofDescription : The MF TZ20 6 Speed Freewheel is a great replacement for older bikes with worn out drivetrains. With a variety of options, Shimano provides comfortable gearing for tackling the rolling hills or the flat city streets. The MF TZ20 6 Speed Freewheel is compatible with 6 7 8 speed chains and older hubs which accept thread on freewheels. These are common on road bikes from the 1980's and earlier and some newer children's and dept. store