Rear Derailleur Extender Aluminum Alloy Derailleur Hanger Extension Bike Gear Hanger Extension CNC Machined for Street Cycling

Enhanced Compatibility: enhance your bike's gearing with this essential cycle component, designed to allow the use of larger cassettes, supporting up to a 34T flywheel for a wider gear range.

Drivetrain Enhance: This drivetrain part functions by extending the rear derailleur by 12.5mm, creating the necessary clearance for larger sprockets and improving shifting performance on steep climbs.

Long-Lasting Construction: Crafted from high-strength aluminum alloy and manufactured using full CNC machining for precise dimensions, this rear derailleur extender ensures long-lasting durability and reliability.

Lightweight Design: Weighing only 7 grams for the extender itself, this derailleur hanger extension adds minimal weight to your bike, preserving its performance and agility for street cycling.

Easy Installation: This bike cassette adapter comes with all the necessary mounting screws for a straightforward installation, making it a simple yet effective enhance for your bike's drive system system.