The Jagwire 6 bolt 160mm Mountain Bike Brake Disk Rotor is a 2-piece rotor that consists of a stainless steel braking surface and an aluminium spider. It allows a 15% weight saving over 1-piece rotors. The stainless steel braking surface ensures consistent stopping power and superior modulation. Key Features: - It is 160mm- It has 6-bolts- It is not compatible with brakes when the pad extends below the calliper body. Examples include Avid BB7, Avid Juicy, Hayes HFX, and Hayes MX1- The brake surface is made from stainless steel.- The spider is made from aluminium- It weighs 105g

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