New to the community? Welcome! Please read our Community Rules and Guidelines
1) eBay has the Money Back Guarantee (I recommend utilizing eMBG first):
2) Yes, PayPal will cover bikes as in bicycles.
3) You also have the option dispute through your card issuer if that is how you paid:
See section "Dispute with us or your card issuer":
PayPal has a return shipping refund program so register for it before filing a PayPal dispute to be eligible for reimbursement: