As the perfect brake for any XC or All Mountain/Enduro application, the RX features a radial master cylinder that combines with a one-piece caliper equipped with 22mm diameter pistons.
"Only DOT 4 fluid can be used on formula brakes"
Buy Formula RX Disc Brake - Front from Chain Reaction Cycles, the worlds largest online bicycle store.
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.More information on returns