Lezyne KTV and Zecto² Replacement O-Ring Set
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The Lezyne replacement O-ring set for KTV and Zecto² holds the rear light securely on the seatpost. It contains four black O-rings: two large ones with an internal diameter of 52 mm and two small ones with an internal diameter of 40 mm, both with a cross-section of 3 mm. It is useful when replacing worn O-rings or fitting the light to a seatpost with a different diameter.
To choose the size, measure the seatpost diameter where you mount the light: the large O-rings are designed for wider seatposts, and the small ones for narrower seatposts. They are made from rubber. The rings are compatible with the KTV (2026) and Zecto² series.
| Colour | black |
|---|---|
| Material | rubber |
| Quantity | 2 large and 2 small |
| Large O-ring internal diameter | 52 mm |
| Small O-ring internal diameter | 40 mm |
| Cross-section | 3 mm |
| Compatibility | Zecto² and KTV (2026) |