Bike Thru Axle Adapter for Bicycle Trailer Hitch Key benefits Adjustable length lets you fine tune fit for different bikes and hitch setups, so a single adapter works for multiple wheel spacing requirements. Lightweight aluminum alloy construction provides strength and rigidity without adding unnecessary weight. Double cone shaped ends ensure a secure, centered fit in most axle mounting holes for a stable connection between bike and trailer or accessory. Designed as a practical accessory or replacement part for both mountain bikes and road bikes. Features Adjustable length: 14.2 cm to 14.8 cm (5.59 in to 5.83 in) for precise fit. Material: aluminum alloy that balances durability and low weight. Compatibility: suitable for mountain bikes and road bikes; intended for use as a trailer hitch adapter or thru axle replacement. End design: double cone shaped (conical) tips to seat reliably in common axle mounting holes. How it solves common problems Eliminates the need to search for exactlength axles by offering a small range of adjustment to match slightly different hub and frame dimensions. Replaces damaged or missing thru axles so you can restore wheel or trailer hitch functionality quickly. Provides a secure seating shape that reduces lateral play and helps maintain alignment between bike and trailer. Typical use scenarios Attaching a rear bicycle trailer to a mountain bike for weekend cargo or pet transport. Swapping a damaged thru axle on a road bike to get the bike back on the road without waiting for an exact OEM axle. Converting a rear hub setup to accept a trailer hitch adapter for touring or commuting gear. What to expect Simple installation using standard tools for axle removal and tightening. A compact, lightweight replacement that maintains wheel alignment and trailer attachment stability when set to the correct length. Compatibility with common axle mounting hole shapes thanks to the tapered, double cone ends. Note: Verify axle diameter and frame spacing before installation to ensure compatibility with your specific bike model.