Black Ops MX-1100 Rear Flip Flop BMX Hub-36H Color:Black Must be used with Pivotal

Must be used with Pivotal seats

- Super Slim Foam

Two R12 sealed bearings are housed within CNC machined 6061 housings and four steel crank arm spacers are included for setting up your chain alignment

This extender eliminates the need for an additional seat and seat post as your current seat and post fit conveniently into the top

Black Ops MX-1100 Rear Flip Flop BMX Hub-36H Color:Black Must be used with PivotalThe Black Ops MX 1100 Rear Flip Flop BMX Hub 36H is a sealed bearing aluminum hub with a 36 hole drill pattern. Flip Flop hubs can be used with a fixed gear on side and freewheel on the other, so if you are like me and have trouble making a decision one way or the other this is a great option. Makes for a great low cost option to replace your current hub, or build your own custom bike. USE: RR GEARS: 1S FW FW DRILLING: 36H SPACING AXLE: B O 3 8