A CB-X® complete kit includes u-ring sizes #1-5. If you are needing a u-ring bigger than the #1 ring supplied in your kit and you're unsure if a large or x-large will fit best, this 2-pack is for you. The 2-pack contains both larger sized u-rings available by CB-X which are compatible with all CB-X complete kits.
Product details:
2-pack containing one large and one x-large sized u-ring
Measurements(inner diameter):
Large - 2 ⅛ inches (54mm)
X-large - 2 ¼ inches (57.2mm)
The Large and X-large u-rings are available to purchase individually.
