Evolver Evo II- 6.7 ounces (weight includes brake pads and hardware)Arms are forged prior to machining for strength and durability. Flush surfaces with the lowest possible stack height (just under 21 mm). Front or rear wheel use. A-Brake Pads. Two sets of springs (hard/soft). Spring tension indicators. Modular cable hardware for multiple set-up options. Pre-cut straddle cable length to simplify installation (regular Evolver knarps/cable lugs also included). New straddle hanger. Black, Raw, White and Limited Editions.