Adapter Nut：Universal Fit for 20" to 29+" Wheels
Designed for versatility, this alignment gauge fits a wide range of wheel sizes—from 20" to 29"+—making it suitable for most bikes, including road, MTB, and gravel setups.

Adapter Nut：Upgraded Inner Shaft for Extra Strength
Equipped with a large, reinforced inner shaft, this tool provides improved structural integrity and greater stability for precise derailleur hanger adjustments.

Adapter Nut：Lightweight & Portable
Weighing just 57g, it offers the perfect balance of portability and durability—ideal for both home mechanics and professional workshops.

Adapter Nut：Durable Aluminum Alloy Construction
Crafted with a tough aluminum alloy body and a chrome-plated steel gauge bar, the tool is built to withstand frequent use and resist bending or damage.

Adapter Nut：Accurate Derailleur Hanger Alignment
This is an essential tool for diagnosing and fixing shifting issues, especially with indexed systems. It threads directly into the derailleur hanger and uses a rotating gauge to check distances at 3, 6, 9, and 12 o'clock positions. Misalignments are easily corrected by applying pressure to the tool's arm—with results visible instantly.

Adapter Nut：Improved Compatibility & Precision
Features tighter tolerances and improved clearance to fit a wider variety of frame and hanger combinations, including low-clearance thru-axle systems. Comes with a replaceable threaded tip and optional adapter nut—compatible with most brands on the market.