Giant Roam 2 vs Marin Muirwoods

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.

Key differences

  • Price: the Roam 2 costs $301 less at the prices shown.
  • Frame: aluminium on the Roam 2, chromoly on the Muirwoods.
  • Gearing: 10-speed Shimano CUES on the Roam 2, 1x10 microSHIFT Advent on the Muirwoods.
  • Head angle: the Muirwoods is slacker (65 vs 70.5 degrees), which usually means steadier handling on descents and slower steering.
  • Stack (size M): the Roam 2 is 74 mm taller at the front, for a more upright position.
  • Reach (size M): the Muirwoods is 40 mm longer, for a more stretched position.
  • Stock tyres: about 42 mm wide on the Roam 2, 60 mm on the Muirwoods.
  • Tyre clearance: the Roam 2 is listed for tyres up to 53 mm; the Muirwoods does not publish a figure.

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
Baseline
Giant Roam 2GiantRoam 2
$1,199
Marin MuirwoodsMarinMuirwoods
$1,499.99
Price and where to buy
Current Australian price$1,199Lowest$1,499.99
RRP$1,199$1,499.99
Price sourceAt Giant Sydney. Stock not confirmed, checked 14 Oct 2026.At BikesOnline. In stock, checked 3 Nov 2026.
Retailersgiantsydney.com.auBikesOnline
Overview
CategoryCommuterCommuter
TypeNon-electricNon-electric
Model year2025Not published
Frame and suspension
FrameAluminiumChromoly
ForkSR Suntour NEX HLO suspension fork, 63mm travelSteel
Wheels and tyres
WheelsetGiant double wall aluminium rims, alloy hubsMarin Aluminium Double Wall, Disc Specific
Wheel size700c27.5-inch (650b)
Stock tyres700x42c27.5x2.35
Max tyre clearance53 mmNot published
Drivetrain
GroupsetShimano CUESmicroSHIFT Advent
ShiftingNot publishedMechanical, 1x
CrankForged Alloy crankset, 30/46TForged Alloy Crank
Chainrings30/4638
Cassette11-39SunRace 10-Speed, 11 to 51T
Cassette speeds1010
Lowest gearRatio of smallest ring to biggest cog. Lower is easier climbing.0.770.75Lowest-0.02
Highest gearBiggest ring to smallest cog. Higher is a faster top speed.4.183.45-0.73
Gearing characterVery low climbing gearVery low climbing gear
Brakes and weight
BrakesTektro TKD-143 hydraulic discTektro M275 Hydraulic Disc, 160mm Rotor
Rotors160/160mm160mm
Geometry
Size shownMM
Stack620 mm545.8 mm-74 mm
Reach410 mm450 mm+40 mm
Stack to reachHigher is more upright, lower is more stretched out.1.511.21-0.30
Head angleLower (slacker) is calmer at speed, higher (steeper) is quicker steering.70.5 deg65.0 deg-5.5 deg
Seat angle73.0 deg76.0 deg+3.0 deg
Wheelbase1,098 mm1,149.9 mm+52 mm
Chainstay450 mm425 mm-25 mm
BB drop62 mm55 mm-7 mm

Geometry overlay

Line up at
Hover a bike to highlight it, click to hide it.Tap a bike to hide or show it.
STACK 620REACH 410
  • Giant Roam 2 (size M) is the baseline.
  • Marin Muirwoods (size M): 74 mm lower stack, 40 mm longer reach, 5.5 deg slacker head angle, 52 mm longer wheelbase, 25 mm shorter chainstays.

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.