SRAM Rotor Centerline 140mm Rounded 6 Bolt Groupe Upgrade your drivetrain with the

Upgrade your drivetrain with the Shimano Dura-ace / XTR M9100 12 Speed Chain

It mounts inside the Mudcap at the back of the helmet and provides additional visibility on the helmet

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No more multiple mounts bolted on here and there

SRAM Rotor Centerline 140mm Rounded 6 Bolt Groupe Upgrade your drivetrain with theThe Centerline Rotor was designed to keep the center of friction consistent throughout rotation thereby minimizing vibration offering consistent performance and a quiet ride. This version features rounded edges for UCI compliance and to allow for easier wheel changes. Specifications Included in delivery: 1 brake disc with 6 screws Material: stainless steel Activity: CyclingMaterial: Stainless SteelUsage bikesport: Road Bike, MTBRotor: 6 Hole (One