Punctures are the most common rental-bike event after refuelling, and the money question is genuinely situational. Here is the honest split.
The rule of thumb
Inner tubes and tyres can be the renter’s responsibility depending on the situation. The distinction that matters:
- A puncture from road debris - a nail, glass, a pothole strike - is typically the renter’s to pay: it happened while the bike was on your watch, and the tube is a consumable.
- A tyre that was bald or damaged at handover, or a failure that comes from the bike’s own condition, is the shop’s: that is maintenance, and maintenance is the owner’s side of the rental.
This is why the handover checklist includes looking at the tyres: tread visible, no cracks, and photograph them. The tyre’s handover state is the evidence for whose failure a later flat was.
What a puncture actually costs
A tube repair or replacement at a Vietnamese roadside tyre shop is a small bill - tens of thousands of dong for a patch, more for a new tube, more again for a tyre. It is paid in cash on the spot, and it is not worth a negotiation with a rental shop over amounts this size; the deposit-return conversation matters, this does not.
What to do when it happens
- Stop quickly - riding on a flat shreds the tube and can wreck the tyre, turning the cheap repair into the expensive one.
- Any tyre shop (vá xe) fixes it in minutes; they are everywhere in Hanoi, marked by a tub of water and an air pump.
- Keep the receipt, photograph the cause if you can (the nail in the tube is a good photo), and tell the shop what happened - especially on longer rentals where the shop tracks its bikes’ condition.
Prevention, in one habit
Check the tyres at handover, then once a week by feel and at any fuel-station gauge. Underinflated tyres puncture more, handle worse, and wear faster - five seconds of attention prevents most of this article.