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Description
Trailer-Ready Thru Axle for Boost-Style Frames
This Robert Axle Project 12 mm thru axle lets you tow a kid or cargo trailer with modern thru-axle bikes that use a longer, wider rear end. It replaces your stock rear axle and provides a strong, centered attachment point at the axle head where most trailer hitches clamp, keeping your wheel secure and your trailer tracking straight.
Sized for frames that call for a 12 mm x 1.75 mm rear axle in the 174–180 mm range, it’s a clean, purpose-built solution that avoids sketchy adapters and add-on skewers. Install it once and you’re ready to hook up a trailer whenever adventure or daycare drop-off calls.
Small Things – Big Difference
- Purpose-built 12 mm thru axle designed specifically for mounting kid and cargo trailer hitches.
- Replaces the original rear axle to maintain correct wheel alignment and clamping force.
- Axle head provides a solid, predictable interface for hitches that clamp or bolt at the axle.
- Ideal for many Boost-style and wider rear frames using a 1.75 mm thread pitch.
- Helps keep the trailer stable and in line with the bike, even when fully loaded.
- Installs with standard hex tools so you can leave it on the bike full time.
UPC / Part Numbers
| Option | SKU | UPC |
|---|---|---|
| Default | KID211 | 602150467087 |
