The Jagwire 6 bolt 160mm Mountain Bike Brake Disk Rotor is a 2piece rotor that consists of a stainless steel braking surface and an aluminium spider It allows a 15 weight saving over 1piece rotors The stainless steel braking surface ensures consistent stopping power and superior modulation Key Features It is 160mm It has 6bolts 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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