Three bike shops within a kilometre of the Narrows Bridge do walk-up servicing. One of them actually has stock on a Saturday morning, which tells you something about demand along this stretch. If you're after bike hire near river paths in Perth, the choice isn't really about which shop has the shiniest fleet, its about which one is close enough to the path that you're not burning twenty minutes riding to the start line before you've even started.
The honest rundown on hire
Most of the hire operators sit on either side of the river, clustered around South Perth and the city end near Elizabeth Quay. Hybrids and cruisers make up the bulk of the fleet, which is fine, because the shared path along the Swan doesn't ask much of a bike. Flat, sealed, mostly gentle. You dont need gearing for hills because there aren't any worth mentioning on the riverside loop.
E-bikes are available at a few of the same outfits and I'll say this plainly: for the flat river loop, they're overpriced for what you get. You're paying a premium for assistance on a path that a ten-year-old on a department store bike can manage without breaking a sweat. Save the e-bike hire for the hillier stuff out past the CBD, not for a lap of the river.
What a pre-ride service should actually cover
A decent pre-hire or pre-ride check isn't complicated. Brake pads with meat left on them, chain that isn't stretched past spec, and tyres holding proper pressure rather than the soft, forgiving squash that a lot of hire bikes get left at. Road or hybrid tyres on the river paths want somewhere around 60-80 psi depending on rider weight; anything softer and you'll feel every expansion joint in the concrete through your wrists.
Gravel patches do turn up, mostly where the path meets access roads or where council resurfacing hasn't caught up yet. A gravel bike handles that without drama. A skinny road tyre at high pressure will skip and you'll notice it. If a shop hands you a bike without checking tyre wear or at least asking how far you're planning to go, thats a shop I'd skip next time.
South Perth versus the east side
The South Perth foreshore gets crowded fast, especially weekend mornings when the walkers, prams and dog leads all compete for the same strip of concrete. I rode it on the gravel bike last weekend with the Sunday bunch and we ended up walking the bike through two separate bottlenecks near the jetty. Not what you want when you're trying to hold any kind of pace.
Head east instead, past the university and toward the Acton foreshore, and the crowds thin out noticeably. There's a quieter stretch near Acton Avenue worth detouring onto if you want to get off the main path for ten minutes and let your legs recover from dodging foot traffic. I reckon this section is underrated precisely because it doesn't get spruiked the way the South Perth loop does.
Pairing a ride with other river stuff
If you've hired for the day and want to make more of it than a there-and-back loop, there's enough around the river to fill an afternoon without needing a car. The Perth Historic Downtown Smartphone Guided GPS Audio Walking Tour works well as a cool-down after a ride, especially if you lock the bike up near the city end and walk the rest. It's self-paced, which suits anyone who's just spent two hours in the saddle and doesn't want to keep standing.
For something that swaps the bike out entirely, the Perth Wine Region and Mandoon Estate - Guided Kayak Tour gets you onto the water instead of alongside it, which is a different way to see the same river. I wouldn't call it a cycling activity by any stretch, but if you're splitting a long weekend between two modes of transport, it rounds the trip out properly.
Staying close if you're not local
Visitors doing a few days of river riding without a car base themselves at places like Perth Central Caravan Park, which sits close enough to the path network that you can roll out the gate and be on the river within minutes. Worth checking with the park directly on whether they've got secure bike storage before you book, particularly if you're bringing your own gear rather than hiring locally.
If the river loop leaves you wanting more vertical, the article on why autumn is the best time to walk the Perth Hills covers a decent follow-up for the next day, once your legs have forgiven you for the flat kilometres.
The stuff people skip
Tyre pressure gets ignored more than anything else on a hire bike. People assume it's set correctly because it's a hire fleet and someone must be checking it. Not always true. Squeeze the tyre yourself before you set off, and if it gives more than a bit under thumb pressure, ask for a pump. It's a thirty-second fix that saves you a flat two hours in.
Helmets are compulsory under Western Australia's road rules, and that applies on the shared paths the same as it does on the road. Most hire shops include one, but it's worth confirming rather than assuming, particularly if you're travelling with kids who need a properly fitted size rather than whatever's left on the rack.
Checking conditions before you go
Before committing to a longer loop, it's worth a quick look at Trails WA for any closures or resurfacing work on the network, since the river paths do get dug up periodically for maintenance and the detours aren't always signed well on the day. It's not a cycling-specific resource but it covers the shared-use network reasonably well.
If you're the type who wants a proper multi-day trail rather than an afternoon loop, that's a different conversation entirely, and the river paths won't scratch that itch. The Bibbulmun Track Foundation covers walking-only country further south, so don't turn up with a bike expecting to ride it. Different trail, different rules, and worth knowing before you plan a weekend around the wrong network.
So what's actually worth it
For a straightforward morning on two wheels, hire near the city end, check your own tyre pressure regardless of what the shop tells you, and take the quieter eastern stretch past the university if the South Perth crowds don't appeal. That combination is flat out the pick for anyone who wants a decent ride without the faff of bringing their own bike over on a flight or a long drive. The river path isn't going to challenge anyone technically, but a lazy service job or a soft tyre will still ruin your afternoon faster than any hill would.