Quick Summary
The YEYIT 2-piece bicycle seatpost clamps are seat tube collars for bicycles with the stated 28.6 mm and 31.8 mm clamp sizes. The set is described as an aluminium alloy release saddle clip, with compatibility for 25.4 mm, 27.2 mm and 28.6 mm bicycle seatposts depending on the clamp size.
Each clamp is intended to secure the seatpost and allow height adjustment using the quick-release lever design. If fit matters, compare the clamp size, the seatpost outer diameter and the exact seat tube size before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | YEYIT. Useful for identifying the exact product. |
| Product type | 2-piece bicycle seatpost clamps / seat tube collars. |
| Clamp sizes | 28.6 mm and 31.8 mm. Check the bike frame seat tube size against the selected clamp. |
| Seatpost compatibility | 28.6 mm clamp for 25.4 mm seatposts; 31.8 mm clamp for 27.2 mm and 28.6 mm seatposts. |
| Quantity | 2 pieces. Confirm the set quantity is right for your purchase. |
| Release style | Quick-release lever design. Relevant if you want tool-free seat height adjustment. |
What to Compare Before Buying
- Clamp size: Match 28.6 mm or 31.8 mm to the bicycle frame seat tube size you need.
- Seatpost diameter: Check whether your seatpost is 25.4 mm, 27.2 mm or 28.6 mm, depending on the clamp you plan to use.
- Quantity: This set contains 2 clamps, so compare that with how many bikes or fitments you need to cover.
- Adjustment method: The quick-release lever suits buyers who want simple seat height changes.
What Else You May Need
To choose the right fit, you need the measured seat tube and seatpost diameters for the bike or bikes you plan to use it with.
Before You Decide
Confirm the frame seat tube size, the seatpost diameter and whether you need one or two clamps before choosing an offer. The quick-release design is the main feature to check if you want easier seat height adjustment.
