Description
Split bearing lockring with an o-ring installed used to set bearing preload on Onyx front and rear hubs.
- Three sizes: 17mm, 20mm, and 25mm. See compatibility below.
- O-ring and 2.5mm bolt included.
- Available in a variety of colors.
Consider the listing as a guide. If unsure about compatbility, please get in touch by email.
| Bearing Lockring Size | Hub Models Used In | Placement |
| 17mm | Classic MFU ISO | Rear |
| Pro BMX, Bolt-on Axle | ||
| Pro BMX ISO , Bolt-on Axle | ||
| Ultra BMX, Bolt-on and 12mm Thru-bolt Axles | ||
| Ultra BMX ISO, Bolt-on and 12mm Thru-bolt Axles | ||
| 20mm | Ultra BMX ISO, 15mm Thru-bolt Axle | Front |
| Ultra BMX ISO, 15mm Thru-bolt Axle | ||
| 25mm | Classic ISO | Front |
| Classic CL | ||
| FAT ISO | ||
| Ultra SS & SSD ISO, All Axle Types | Rear |
