The first picture is a product picture, the other pictures are sample displays Center Lock Hubs To 6-Bolt Rotor Adapter Aluminum Alloy MTB Cycling Centerlock Rotor Conversion Hub Middle Lock Cover Disc for MTB Features: *1. Premium Material: Made of premium aluminum alloy, which is corrosion-resistant, wear-resistant, not easy to break or deform, durable with long service life.  *2. Easy to Install: This bicycle accessory is simple in replacement, installation and disassembly. No tools needed, saving your time and energy, providing more convenience for you. *3. Excellent Replacement: The center-lock hub to 6-bolt rotor adapter is a  good replacement for the old or damaged one. The rotor adapter can help you brake quickly, stably, safely and reliably. *4. Wide Application: It is widely used in all kinds of mountain bikes and bicycles. Description: *1. Model: DS03 *2. Quantity: 1 piece *3. Color: mixed, black, gold, red, blue *4. Material: aluminum alloy *5. Size: 44 mm *6. Application: for thru-axle hub Package includes: 1 x rotor adapter