20x1.60 Alienation TCS R1 Folding Rear BMX Race Tire - 85psi - Black Sz 7 1 Freewheel is constructed of

1 Freewheel is constructed of chromoly steel and has 12 degree engagement

street and park use

25" (ISO 406mm) BMXGuru inner tubes with standard Schrader valves

It works with 1" threaded forks (21

20x1.60 Alienation TCS R1 Folding Rear BMX Race Tire - 85psi - Black Sz 7 1 Freewheel is constructed ofThe Alienation TCS R1 tire features a directional tread pattern designed for use as a rear racing tire. It is constructed of a dual compound with a firm center and soft shoulders; it is 120tpi. This tire has a proprietary TCS bead for use with tubeless compatible systems and can also be used with a traditional tube. If using it as a tubeless tire, you will need a TCS (tubeless ready) rim, sealant and tubeless rim tape (not included). Size: 20 x 1. 60