FB Marketplace Seller Forgot to Include Parts. Now He Wants $20 Extra.

You bought a bike rack used from a guy on Facebook Marketplace. The deal seemed fine, you paid, and you left. Then a few days later he texts you saying he found some extra parts for the rack and wants $20 for them.

And his reason? "For my time and the interruption to my busy day."

This exact situation happened to someone who picked up a Thule bike rack for $150. The seller later found the anti-sway cages (the clips that keep bikes from swinging into each other) and wanted to charge extra for them. Parts that came with the rack originally.

It's a frustrating spot to be in. Here's a breakdown of what happened, what your options are, and what to actually do.

What Were the Missing Parts?

In this case, the missing items were anti-sway cages and rubber straps. These aren't optional add-ons. They're core components of the rack that keep your bikes stable and secure during transport. The seller confirmed they had "no other use" for them, which makes the $20 ask even harder to understand.

If you're in a similar situation, figure out first whether the missing parts are:

• Functional components (things the rack won't work properly without)

• Accessories or add-ons (nice to have, but the rack works fine without them)

That distinction matters for how you respond.

Is the Seller in the Wrong?

Opinions on this split pretty cleanly.

Some people argue that private marketplace sales are "as is." You inspect the item, you agree on a price, and that's the deal. If parts were missing and you didn't catch it at the time, that's on you as the buyer.

Others say that if a product is listed under its brand name with no mention of missing components, a reasonable buyer assumes they're getting the complete item. Anti-sway cages and rubber straps aren't optional extras. They're the parts that make the rack usable.

The seller's own words hurt his case here. He said the parts only fit this specific rack and have no other use. So he's holding onto something worthless to him and asking for money to hand it over. That doesn't sit well.

And then there's the tone. Phrases like "as noted" and "the interruption to my busy day" from someone selling things on Facebook don't help. You're also losing time here. You already made one trip. Getting the rest of what you paid for means making another.

What Are Your Options?

1. Pay the $20 and move on

If the parts are genuinely necessary and $20 is worth the peace of mind, this is the path of least resistance. You're still getting the rack and its components for $170 total, which may still be a fair price depending on the model.

2. Find the parts elsewhere

The person in this situation did exactly this. They found the Thule anti-sway bike rack cages elsewhere for $40. Yes, it's $20 more. But it meant not handing more money to someone who made the mistake and then tried to profit from it.

3. Leave a review

Facebook Marketplace has a review system and people do read them. A factual, calm review explaining what happened gives other buyers a heads-up. Keep it to the facts. What you bought, what was missing, and how the seller responded.

4. Report to Facebook Marketplace

You can report the seller through the platform. Whether FB acts on it is another question, but it's worth doing if you believe the omission was intentional.

5. Walk away entirely

If you don't need the missing parts to use the rack, the cleanest move is to block the seller, leave a review, and enjoy the bike rack you already have.

What Actually Happened

The buyer in this situation said something rather than ignoring it. They told the seller they found the parts elsewhere, and added that charging extra for parts that should have been included in the original sale goes against how person-to-person selling is supposed to work.

The seller doubled down with "you freely consented to purchase" and "my time still costs money."

The buyer walked away, found the parts for $40 online, and left a review on Marketplace.

Honestly, that's a solid outcome. They didn't pay the extra $20, they got the parts they needed, and they warned other buyers. The seller is sitting on clips that fit one specific rack he no longer owns.

A Few Things Worth Knowing Before Your Next Marketplace Buy

• Always ask the seller to confirm the item comes with all original parts before you show up.

• Take photos of what you received right after pickup. This gives you something concrete if a dispute comes up later.

• For higher-ticket items, consider paying through a platform with buyer protection rather than cash.

• If a seller seems hostile or dismissive during the listing inquiry, that's worth paying attention to.

FAQ

Can you get a refund on a Facebook Marketplace purchase?

FB Marketplace does have a Purchase Protection policy for certain transactions, but it generally covers items bought through the platform's checkout with shipping. Cash deals done in person are much harder to dispute. Your best option in those cases is to leave a review and report the seller.

Is it worth going to small claims court over $20?

Probably not for $20 specifically. Small claims court takes time, filing fees, and you'll need to show up. For a larger amount, or if you can document that the seller knowingly withheld parts, it might be worth looking into. Most people in this situation find it easier to source the parts elsewhere.

How do you find replacement parts for a Thule bike rack?

You can check the Thule website directly, where they sell individual components. Amazon and eBay also carry third-party compatible parts, sometimes at lower prices than OEM. Some local bike shops keep rack accessories in stock too.

What should you do if a seller is unresponsive after a sale?

Document everything in writing through the Marketplace chat if possible. If the missing parts affect the safety or usability of the item, report the listing to Facebook. If you paid via a platform that has buyer protection, file a claim there.

Can you resell the Thule anti-sway cages if you end up with two sets?

Yes. If you bought them separately and then worked things out with the original seller (or found the cages from him later), you can list the extras on Marketplace or eBay. They're small and easy to ship, so online platforms work well for this.

How do you know if a used bike rack is worth buying?

Check the model number and look up the original retail price. Inspect the mounting hardware, straps, and locking mechanism in person. Ask the seller directly if all components are included. A good general rule: if the seller is cagey or vague about condition, keep looking.