Halo

15mm End Cap Conversion Kit (21mm Mnt) GXC/RD2 Hubs

The Halo 15mm End Cap Conversion Kit (21mm Mount) makes it easy to adapt GXC and RD2 hubs for a perfect fit with your setup. Designed for riders who switch between wheelsets or fork standards, this conversion kit delivers precise alignment, reliable engagement, and a secure interface that keeps your ride smooth mile after mile.

Whether you’re building up a gravel rig or upgrading your existing wheels, this 21mm option is ideal for mountain forks and ensures compatibility without the guesswork.

• Compatible with Halo GXC and RD2 hubs
• 21mm outer diameter fits most mountain fork dropouts
• Durable alloy construction for long-lasting performance
• Simple installation for quick conversions

Perfect for riders who demand flexibility and precision, the Halo 15mm End Cap Conversion Kit keeps your wheels spinning exactly how you want them—no compromises, no hassle.