The best exercise bike under £300 in this comparison is the Hop-Sport HS-010H Rio, the only bike with a confirmed price below that line, at around £93.99 (checked Oct 2026). The ProForm 225 CSX is the other option, but no current UK price was confirmed, so check it before treating it as under budget.
This guide ranks on published specification, price and fit for a stated use, and nothing here is based on testing.
What a smaller budget changes
Sub-£300 bikes mostly differ in resistance system, console and build. Mechanical resistance presses a pad on the flywheel through a knob; magnetic systems move magnets near the flywheel. No source here shows one is universally smoother, so compare the maker's own wording: ProForm calls its system "Silent Magnetic Resistance", and Hop-Sport describes its bike as mechanical with a manual knob.
At this price, also expect fewer features: Hop-Sport's LCD lists time, distance, calories and speed, and ProForm lists a 5 inch LCD, Bluetooth for headphones and heart rate, and iFIT compatibility that needs a paid iFIT Pro subscription and wifi for full content.
The two bikes compared
| Hop-Sport HS-010H Rio | ProForm 225 CSX | |
|---|---|---|
| Indicative price | Around £93.99 (checked Oct 2026) | Check retailer's page |
| Resistance | Mechanical, manual knob | 20 digital levels, magnetic |
| Max user weight | 120 kg | 125 kg |
| Size | 93 x 42 x 120 cm | 89.2 x 53.8 x 146.6 cm |
| Weight | 12 kg | 36 kg in box |
| Seat | 6 height levels, 70-90 cm seat-to-pedal | Oversized cushioned seat, range not published |
| Console | LCD, 4 functions, batteries not included | 5 inch LCD, device shelf, Bluetooth |
| Warranty (maker) | Not published | 5-year frame, 1-year parts and labor (US page) |
Which bike here is confirmed under £300?
The Hop-Sport HS-010H Rio is the only one, at around £93.99 (checked Oct 2026). No current UK price was confirmed for the ProForm 225 CSX, so check it on the retailer's page.
Prices move, so use the figure as context rather than a quote, and confirm what the price includes, such as delivery and batteries. The Hop-Sport page says batteries for the console are not included, which is a small extra cost to expect.
Hop-Sport HS-010H Rio
This is the clearest under-£300 option on price. The maker lists a 12 kg weight, anti-slip pedals with adjustable straps, a six-level seat (70-90 cm seat-to-pedal), transport rollers and levelling pads. Limits to note: no flywheel weight, warranty period or user height range is published on the page, and its instructions are in Polish. The page lists a 30-day return policy, which is not a warranty. Full details in the Hop-Sport review.
ProForm 225 CSX
ProForm lists 20 digital resistance levels that can be changed from push buttons or a connected device, extra-wide pedals with straps, a CoolAire fan, USB-C charging and transport wheels. The user capacity is 125 kg. The ProForm US page quotes a 5-year frame warranty and 1-year parts, labor and repairs. UK terms could not be confirmed, so check them at purchase. See the ProForm 225 CSX review.
What is the difference between mechanical and magnetic resistance?
Mechanical resistance presses a pad against the flywheel via a knob, as on the Hop-Sport, while magnetic resistance moves magnets near the flywheel, as ProForm describes for the 225 CSX with 20 digital levels.
The practical difference from the published pages is in control and information. The Hop-Sport page gives no number of resistance levels, so a setting on the knob cannot be compared between sessions except by feel. ProForm's 20 numbered levels can be repeated and, per the maker, set from the push buttons or a connected device. Neither maker publishes a flywheel weight or a noise measurement, so claims about smoothness or quietness are maker descriptions only.
Does the ProForm 225 CSX need a subscription?
Not for basic use. ProForm says a free account is needed to activate the equipment and a paid iFIT Pro subscription and wifi are needed for full iFIT content, while the bike can be adjusted from its push buttons.
That matters for a budget comparison, because a subscription is a running cost that does not appear in the bike's price. If you only want a console and a resistance setting, the cost of the bike is the cost of the bike. If you are drawn to the ProForm for class content, add the subscription to the budget before comparing it with the Hop-Sport, which lists no connectivity at all.
What are the weight limits?
Hop-Sport lists a maximum user weight of 120 kg for the HS-010H Rio, and ProForm lists 125 kg for the 225 CSX.
These are the makers' stated limits, so leave margin and read the manual. For a higher stated limit, the JOROTO X4S lists 150 kg, though at around £399.99 (checked Oct 2026) it is not a confirmed sub-£300 bike.
Bikes left out of this price band
The JOROTO X4S is around £399.99 (checked Oct 2026) and the Schwinn IC3.5 has no confirmed price, so neither is a confirmed sub-£300 bike. They are compared in the home exercise bike guide, and reviewed in the JOROTO X4S review and Schwinn IC3.5 review.
How to read a budget bike's specification
Four lines on a maker's page matter most at this price. Start with maximum user weight: it is the maker's stated limit, so choose with some margin. Next is the seat range: Hop-Sport gives six height levels and a 70-90 cm seat-to-pedal distance, while ProForm describes a cushioned seat but, on the page opened for this guide, no height range. Third is power and console: Hop-Sport's console takes batteries that are not included, while ProForm lists USB-C charging and a device shelf. Last is warranty: Hop-Sport's page links to a warranty section but gives no duration, and ProForm's quoted terms are from its US page.
It also helps to separate what is stated from what is not. Neither maker publishes a step-over height. Hop-Sport does not publish a flywheel weight or rider height range. ProForm does not publish a flywheel weight on the specification list either. Where a figure is missing, ask the retailer before ordering rather than assuming.
Space and noise
Both bikes are small by exercise-equipment standards. The Hop-Sport's listed footprint of 93 x 42 cm is the smaller of the two, and at 12 kg it is the lighter. The ProForm lists transport wheels so that it can be rolled out of the way. Makers call the ProForm system silent, but that is a maker description, not a measured level; the noise guide covers general planning for shared homes.
Which suits which situation
- Trying cycling at home with minimal spend: the Hop-Sport, based on price and weight.
- Wanting digital resistance levels and an app option: the ProForm, if its price on the day is within budget.
- Heavier riders: compare the stated limits (120 kg and 125 kg) with your weight; for a higher limit see the JOROTO's 150 kg.
If the choice is close, value comes down to which missing features matter to you. The ProForm's list is longer, but you must confirm its price and UK warranty. The Hop-Sport's list is shorter and so is its price. Neither maker publishes anything that would make one clearly better for everyone.
What to check, and who should skip
Check delivery, assembly, returns and warranty on the retailer's page, since regional terms vary. GOV.UK guidance for sellers says a customer can cancel an order up to 14 days after delivery without giving a reason, that a faulty or not-as-described item must be refunded, and that an item returned within 6 months must be repaired or replaced, which is worth knowing when a maker's own warranty is unpublished.
Someone wanting rowing or treadmill work should read the rowing machine vs exercise bike or treadmill vs exercise bike guides. Anyone who needs a published step-over height or a recumbent seat should skip both. The NHS lists riding a bike as moderate activity and recommends at least 150 minutes a week of moderate activity for adults aged 19 to 64; ask a health professional before starting if you have a condition.
