A side by side comparison of two commuter bikes available in Australia, on price and specs. The Giant Roam 2 is the lower-priced of the two.
Worked out from each bike's published specification and the price shown on its page. The full side by side table and a to-scale geometry overlay are below.
| 2 of 4 bikesDeltas are against the baseline | |||
|---|---|---|---|
| Price and where to buy | |||
| Current Australian price | $1,199Lowest | $1,499.99 | |
| RRP | $1,199 | $1,499.99 | |
| Price source | At Giant Sydney. Stock not confirmed, checked 14 Oct 2026. | At BikesOnline. In stock, checked 3 Nov 2026. | |
| Retailers | giantsydney.com.au | BikesOnline | |
| Overview | |||
| Category | Commuter | Commuter | |
| Type | Non-electric | Non-electric | |
| Model year | 2025 | Not published | |
| Frame and suspension | |||
| Frame | Aluminium | Chromoly | |
| Fork | SR Suntour NEX HLO suspension fork, 63mm travel | Steel | |
| Wheels and tyres | |||
| Wheelset | Giant double wall aluminium rims, alloy hubs | Marin Aluminium Double Wall, Disc Specific | |
| Wheel size | 700c | 27.5-inch (650b) | |
| Stock tyres | 700x42c | 27.5x2.35 | |
| Max tyre clearance | 53 mm | Not published | |
| Drivetrain | |||
| Groupset | Shimano CUES | microSHIFT Advent | |
| Shifting | Not published | Mechanical, 1x | |
| Crank | Forged Alloy crankset, 30/46T | Forged Alloy Crank | |
| Chainrings | 30/46 | 38 | |
| Cassette | 11-39 | SunRace 10-Speed, 11 to 51T | |
| Cassette speeds | 10 | 10 | |
| Lowest gearRatio of smallest ring to biggest cog. Lower is easier climbing. | 0.77 | 0.75Lowest-0.02 | |
| Highest gearBiggest ring to smallest cog. Higher is a faster top speed. | 4.18 | 3.45-0.73 | |
| Gearing character | Very low climbing gear | Very low climbing gear | |
| Brakes and weight | |||
| Brakes | Tektro TKD-143 hydraulic disc | Tektro M275 Hydraulic Disc, 160mm Rotor | |
| Rotors | 160/160mm | 160mm | |
| Geometry | |||
| Size shown | M | M | |
| Stack | 620 mm | 545.8 mm-74 mm | |
| Reach | 410 mm | 450 mm+40 mm | |
| Stack to reachHigher is more upright, lower is more stretched out. | 1.51 | 1.21-0.30 | |
| Head angleLower (slacker) is calmer at speed, higher (steeper) is quicker steering. | 70.5 deg | 65.0 deg-5.5 deg | |
| Seat angle | 73.0 deg | 76.0 deg+3.0 deg | |
| Wheelbase | 1,098 mm | 1,149.9 mm+52 mm | |
| Chainstay | 450 mm | 425 mm-25 mm | |
| BB drop | 62 mm | 55 mm-7 mm | |
Stack, reach, head and seat angles, wheelbase, chainstay and BB drop are drawn to scale from published charts. Tube shapes are schematic.
BikeFinder Data Profile. Geometry and component figures are researched from published manufacturer and retailer sources, not physical ride tests, and can vary by model year.
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm current details with the seller before purchase.