Description
Ultra ISO BMX Disc brings the legendary performance that Onyx is known for to BMX hubs. This hub set is a highlight of any bike, whether it’s 20″, a cruiser, or an expert size.
- Front hub: Onyx BMX XL Helix 20x100mm thru-bolt.
- Rear hub: Onyx Ultra ISO Disc, 15x110mm Thru-axle (as opposed to the product photo).
- 36H front and rear.
- Shimano HG cog interface.
- ISO 6-bolt disc mount.
- Thru-axles are not included. Measure the correct length and order the axle separately.
- Limited edition in Birthday Cake powder coat color! First come, first serve – once they’re gone, they’re gone.
- Available as a set only.
Front Hub & Axle Spacing Options
Refer to the table below to see the available hub set options. To learn more about the nomenclature used with Onyx Racing Products hubs, click the link below.
| Variant | Spacing | |
| Front | Rear | |
| Front – Solid | 20x100mm Thru-bolt, Solid | None |
| Front | 20x100mm Thru-bolt, Helix | |
| Front 10mm – Solid | 10x100mm Bolt-on, Solid | |
| Front 10mm | 10x100mm Bolt-on, Helix | |
| Rear | None | Ultra ISO BMX Disc 110x15mm |
| Set | 20x100mm Thru-bolt, Helix | |
| Set – Solid | 20x100mm Thru-bolt, Solid | |
| Set – 10mm | 10x100mm Bolt-on, Helix | |
| Set 10mm – Solid | 10x100mm Bolt-on, Solid | |







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