Motor Vehicle Brake Service Kits G3 Bicycle Brake Rotor 160/180/203mm Bike Hydraulic Disc Brake Rotors Stainless Mtb Rotor with PM IS Adapter Bike Accessories Features: The ventilated design of the helps to keep the disc clean, dust does not accumulate on the disc, suitable for long-distance long-term use, and stable performance. Utilizing the cross-drilling technology, the lightweight system ensures heat dissipation when used at high strength; it provides the ability to adapt to the humid environment, and the brakes reach a new level smoothly. Easy to Mount on your Disc Brake Ready Frame and Fork Excellent heat dissipation, Ideal for Alivio/Deore Disc Brake Systems Specification: Material: Stainless steel Pattern: 160mm,180mm Opposite hole distance 44mm Thickness: 1.9mm Color: As picture shows Package included: 1 x Bike Brake Rotor 6 x Bolts Rotor adapter Description: Material: Aluminum alloy Colour: black,Red,Gold,Blue,Titanium Length: approx. 85 mm Bolt Bolt distance: approx. 74mm Feature: 1. It will mount a 74mm post mount caliper a 74mm post mount fork or frame to accommodate a FrontRear 180/203mm disc. 2. Brand new and high quality. 3. Fit Front 203/Rear 180mm/Rear 203mm disc. 4. 2 bolts are included. Note:If you buy 2pc,have 5% off discount! Note: Please allow 1-5mm errors due to manual measurement