Viper hubs are made of aluminum alloy which makes them lighter, the needles allow the wheels to be removed for transport and the bearings allow better wheel rotation. They are compatible with 18, 21 and 24v and Hydraulic Brake, Cable and Rubber.
SPECIFICATIONS
Aluminum hub for black disc brake with bearing (pair)
Hubs with bearings;
Radius drilling: 36 holes for radius up to 2.0mm (Radius
Thin)
System: for multiple freewheel use 18, 21 and 24 gears
Aluminum Body and Steel Shaft
Compatibility with 18, 21 or 24 speeds
Brand: VIPER
