Quick Summary
The Albedel bike seat post adapter shim set is a conversion sleeve set for a 27.2 mm seat post and seat tube sizes 28.6 mm, 30 mm, 30.4 mm, 30.8 mm, 30.9 mm, 31.6 mm and 33.9 mm. It is described as a set of 7 sizes and each sleeve is 60 mm long.
The set is made from aluminium alloy. The main buying check is simple: confirm the seat post and seat tube sizes on your bike before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Albedel. Useful for identifying the exact product range. |
| Product type | Bike seat post adapter shim / seat tube conversion sleeve. |
| Sizes | 27.2 mm to 28.6 mm, 30 mm, 30.4 mm, 30.8 mm, 30.9 mm, 31.6 mm and 33.9 mm. Check the bike’s seat post and seat tube size before ordering. |
| Length | 60 mm. This helps judge whether the sleeve length suits the installation. |
| Material | Aluminium alloy. A key detail for buyers comparing construction. |
| Quantity | Set of 7 sizes. Confirm the chosen size is the one you need. |
What to Compare Before Buying
- Seat post size: The adapter is for a 27.2 mm seat post. Check that this matches your bike.
- Seat tube size: Compare your frame’s seat tube size with the listed adapter sizes to avoid a mismatch.
- Length: The 60 mm length is a useful fit check if space inside the frame matters.
- Set size: This is a set of 7 sizes, so make sure you are choosing the correct sleeve size rather than assuming one sleeve fits all.
Before You Decide
Confirm the 27.2 mm seat post size and the matching seat tube size before selecting an offer. Check the 60 mm sleeve length against your frame space, and make sure you are choosing the correct size from the 7 included options.









