Pre-owned Sparkle Brand Direct Linear Pull Mini V-Brake Caliper Arms Only (with Brake Pads) - Black. This originally came off the Hyper Bike Co Spinner Pro Model BMX Bike and was the rear brake. It was originally hooked up to a bmx gyro (detangler) setup, but can be ran with a straight cable set up too for best stopping power. Arm Length : 91.5mm (From Center of the mounting pivot bolt hole down to the center of the cable-attach bolt >Anchor Point<). Material: Aluminum / Alloy. This item is in fully working condition. You will just need a noodle and cable of choice to attach together. Comes with original mounting bolts.