- Home Page /
- Sports Outdoor & Fitness /
- Sports /
- Cycling /
- Parts & Components /
- Seats & Saddles /
- Seat Posts /
- Thinvik Bike Seat Post Shim 22.2mm, 25.4mm, 2...
0 ratings
Item #:
140389983
Thinvik Bike Seat Post Shim 22.2mm, 25.4mm, 27.2mm to 25.4mm,27.2mm,28.6mm,30.4mm,30.8mm,31.6mm Bicycle Seatpost Tube Adapter 60MM
Item #:
140389983
GMD 911
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, August 07
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Easily adjust your bicycle seat post to avoid wasting money on repurchasing!
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Compatibility
This shim adapts various seat post sizes, accommodating 22.2mm to 31.6mm tubes, making it an ideal solution for bike enthusiasts desiring flexibility in their bicycle setups.
Durable Construction
Crafted from high-quality materials, the Thinvik shim ensures long-lasting performance and withstands rough handling, providing reliable support during rides and reducing the need for frequent replacements.
Easy Installation
Designed for hassle-free use, this seat post shim can be installed quickly and without special tools, allowing cyclists to effortlessly upgrade their bike's seating system for enhanced comfort.
Product Details
| Material | Aluminum |
| Brand | Thinvik |
| Manufacturer | Thinvik |
Who Should Buy?
-
Custom Bike Setup
Ideal for cyclists customizing their bike seats to fit different seat post diameters with ease.
-
Budget-Friendly Option
A cost-effective solution for those looking to upgrade their bike without replacing the entire seat post.
-
Casual Riders
Perfect for casual cyclists who need a quick adjustment for comfort during leisurely rides.
-
Pro Cyclists
Not suitable for professional cyclists requiring highly specialized equipment and performance-driven components.
Product Description
Thinvik Bike Seat Post Shim 22.2mm, 25.4mm, 27.2mm to 25.4mm,27.2mm,28.6mm,30.4mm,30.8mm,31.6mm Bicycle Seatpost Tube Adapter 60MM
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What sizes does this shim accommodate?
Answer: It accommodates sizes 22.2mm, 25.4mm, 27.2mm, 28.6mm, 30.4mm, 30.8mm, and 31.6mm. -
Question:
Is this shim suitable for kids' bikes?
Answer: Yes, it can be used on kids' bikes with a 22.2 ID seat post. -
Question:
How do I ensure I choose the right size?
Answer: Check your bike frame seat tube's outside diameter or measure the inside diameter of your old clamp.
Thinvik Seat Posts Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
GMD 911
Order now and get it around Friday, August 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Compatible with various bicycles including MTB and road bikes.
- Allows for easy adjustment of seat post diameter.
- Constructed from high-quality, lightweight 6065 aluminum alloy.
- Anti-rust and durable for long-lasting use.
- Simple installation: just open, insert, adjust, and lock.
- Multiple sizes available to fit your specific needs.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.