O-rings

TIRE O-RINGS

Rims for tubeless OTR tire require the use of an O-ring, which is also referred to as a “seal ring”
O-ring forms an air-tight seal between separate parts of the rim. It must be used properly. It is very important to note that even if rim diameters are the same, different size of O-rings may be necessary depending on the type of rim used.

Here is how is O-ring is fitted

Cautions with tire O-rings

• Do not use used or damaged O-rings.
• Clan rim and then lubricate with vegetable oil before mounting the O-ring.
• Take caution not to damage O-ring with tire lever. Avoid twisting.
• Keep spare O-rings on hand for emergencies. A 20% backup rate is recommended.
• Ask us for advices

O-ring Sizes

Tire O-ring Size Identifications

OR 325 T

OR–Indicates that the ring is for off-the-road tires.
3–Cross section diameter of ring (in eights of an inch)
25–Rim diameter (Bead diameter in inches)
T–Type of rim (Full tapered bead sat rim)