Bike Rear Derailleur Hanger Extender Aluminum Alloy Cassette Extender for Mountain Bike Gear Capacity Expansion 41mm Extension for Large Cassette (Black)

Description

• Cassette Capacity Expansion: This derailleur hanger extender increases your cassette capacity by 41mm, allowing installation of larger flywheels up to 56T. The extension enables smoother gear changes and improved chain management for enhanced cycling performance on varied terrain.
• Improved Climbing Performance: By relocating the derailleur further downward, this extender reduces spring tension in the rear mechanism. This modification significantly enhances your bicycle's hill climbing capability and provides better gear range for steep inclines.
• Precision CNC Machining: Manufactured from aluminum alloy using computer numerical control processes for exact dimensional accuracy. The precision engineering ensures perfect alignment with your existing derailleur hanger and maintains reliable shifting performance after installation.
• Wide Compatibility: Designed to work with most standard derailleur hangers and can accommodate cassette size increases from 20T to 22T additional capacity. Particularly effective when upgrading to larger cassettes in the 36T-56T range for improved gearing options.
• Complete Installation Kit: Includes the aluminum extender and all necessary mounting hardware for straightforward installation. The lightweight design adds only 19 grams to your bicycle while providing substantial gearing improvements for mountain biking and touring.

Specification
Item Type: Bike Rear Derailleur Hanger Extender
Material: Aluminum Alloy
Weight: Approx. 19g / 0.7oz
Specifications: As shown in the measured data, the screws equipped with the extender need to be installed with a 6mm wrench
Application: Most tail hooks are compatible, but some tail hooks need to be modified by yourself!

Package List
1 x Bike Rear Derailleur Hanger Extender
1 x Screw

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