Theory Rattlesnake 17T BMX Freewheel - 108 Engagement Points - 3/32" - Black 34.9mm The inflation pressure is 35-55psi

The inflation pressure is 35-55psi

The “EC” stands for “External Cup” meaning the section of the cup that houses the bearing sits outside of the frame’s head tube and the “34” stands for the 34mm “skirt” that presses into the frame

Size: 20 x 1-3/8" (ISO 451mm)

Posted Weight: 260g

Weight: 13

Theory Rattlesnake 17T BMX Freewheel - 108 Engagement Points - 3/32" - Black 34.9mm The inflation pressure is 35-55psiWith 9 pawls and 108 points of engagement, the Rattlesnake freewheel has super quick engagement and a super loud sound. This freewheel has 3 32" teeth, so it works with 3 32" and 1 8" chains. Size: 17T Color: Black (I know the pic shows a 16t; it is a catalog photo. This listing is for a 17t.)