Shimano Gear 6 Speed Cassette Тhread Sprocket Freewheel For MTB Mountain Bike
Screw on freewheel. - 6-speed freewheel for bikes. - 6 Speed Freewheel Ratio: 14-16-18-21-24-28-T. 1 x Bike Freewheel. To unscrew the cassette, you need a special wrench key. We have it in our other ad.