Features: brand new and high quality<br> Fine workmanship and precision cnc machining do not make easy to deform and wear resistant, and it has high hardness.<br> The surface anodizing treatment makes it scratch resistant, corrosion resistant and bright colors.<br> Made of aluminum alloy material, the product is durable.<br> There are many models to satisfy your requierment.<br> It is suitable for cycling,professional and durable,you deserve it.<br> Specifications: Item Name: Rear Gear Hook<br> Material: Aluminum Alloy<br> Attributes: 1, 2, 4, 12, 21, 34, 36<br> Features: solid, cnc precision machining, anti-oxidation<br> Size Details:<br> 1: 5.5cm x 4cm/ 2.17" x 1.58" (approx.)<br> 2: 5.7cm x 4.3cm/2.24" x 1.69" (approx.)<br> 4: 5.7cm x 3.5cm/2.24" x 1.38" (approx.)<br> 12: 5.1cm x 3cm/2.01" x 1.18" (approx.)<br> 21: 5.2cm x 2.8cm/2.05" x 1.10" (approx.)<br> 34: 6.2cm x 3.9cm/2.44" x 1.54" (approx.)<br> 36: 6cm x 4cm/2.36" x 1.58" (approx.)<br> Package Includes: 1x Rear Derailleur.<br> note: 1, 2, and 12 rear derailleur hanger can be used only if they have the same shape.<br> No. 36 rear derailleur hanger is for MERIDA300, 350, 360, 500, 550, 600, 650, 700, etc.<br> Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store