Front Thru Axle Adapter (20mm to 15mm) — Aluminum Alloy Key benefits Converts a 20mm front thru axle to a 15mm thru axle so you can fit 15mmcompatible hubs or wheels into forks that use a 20mm axle. Lightweight, durable aluminum alloy construction provides longlasting service while resisting corrosion and wear from normal use. 110 open axle design offers broad compatibility with most mountain bike front hubs and forks for straightforward installation. Precision manufacturing and tight tolerances help maintain wheel alignment and stability, reducing the chance of ride malfunctions. What it does and why you need it Function: adapts the front hub axle diameter from 20mm down to 15mm without changing your hub or fork, enabling use of different wheelsets or replacement axles. Problem solved: avoids the need to an entire hub or fork when swapping wheels; saves time and cost during upgrades or repairs. What makes it stand out: solid aluminum alloy construction plus a 110 open axle form factor for wide compatibility and reliable performance. Compatibility and specifications Purpose: Front thru axle adapter for mountain bikes. Conversion: 20mm axle to 15mm axle. Design: 110 open axle design for compatibility with most mountain bike front hubs. Material: Aluminum alloy — engineered for durability and stable performance under typical cycling loads. Practical use scenarios Upgrading wheels: Fit a 15mm front wheelset to a bike originally equipped with a 20mm thru axle without replacing the fork. Workshop replacement: a damaged or worn 20mm axle with a 15mmcompatible solution quickly during maintenance or repairs. Riding with mixed equipment: Use rental, demo, or borrowed wheels that require 15mm spacing while keeping your original 20mm fork and hub setup. Installation and performance notes Designed for easy replacement of the front hub axle; follow standard axle installation and torque procedures for your bike. Made with safety and stability in mind; use with compatible parts and inspect connections regularly for secure fitment. This adapter provides a practical, durable solution for riders who need to convert a 20mm front thru axle to 15mm while maintaining reliable performance and compatibility with most mountain bike setups.