Problem Solvers 4mm Seatpost Shim, 30.9 Seatpost to 34.9, Black
$9.99
Estimated delivery between August 23 and August 25.
$9.99
$9.99
Description
The Problem Solvers 4mm Seatpost Shim is an essential accessory for cyclists needing to adjust the fit of their seatpost. This shim allows you to fit a 30.9mm seatpost into a 34.9mm frame, ensuring a secure and stable ride.
Constructed from durable aluminum, it features a 3mm lip to prevent it from sliding into the frame during installation. With a total length of 100mm, including the lip, this shim is a practical solution for seatpost compatibility issues.
- Material: Lightweight, durable aluminum
- Fit: 30.9mm seatpost into 34.9mm frame
- Length: 97mm with a 3mm lip
- Manufacturer Part Number: 03-000079
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Frequently Asked Questions
Do you offer free shipping?
Yes — free shipping on orders over $100 on gear, apparel and shoes. Heavy or oversized items over 10 lbs are excluded. See the full shipping policy.
Can I pick up my order at a store?
Yes, and it is free. Choose in-store pickup at checkout and collect at Doral, Coral Gables or North Miami Beach — we will email you as soon as your order is ready. See addresses and hours.
When will my order arrive?
The estimated delivery window is shown on this page above the Add to cart button and again at checkout, based on the item and your address. You will get a tracking email as soon as it ships.
Are your bikes assembled and ready to ride?
Yes. Every bike is pre-assembled, tuned and safety-checked by our mechanics before it leaves the shop, so it is ready to ride when you get it. More about our shop services.
What if it does not fit?
You have 30 days to return unused items in their original packaging. Read the return policy.
Can someone help me choose the right size or model?
That is what our stores are for. Come see us in Doral, Coral Gables or North Miami Beach, book a Retul bike fit, or send us a message and a real person will answer.
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