Velopedia Bicycle Archive

2025 Giant FastRoad AR 2

Original specifications: 9.83kg (21lb 11oz) - Size (M) published weight · geometry for 5 published sizes.

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At a glance

Archive #900001858
Model year
2025
Category
Road
Original MSRP
$1,150.00
Sizes
XS, S, M, M/L, L, XL
Colors
Glacier Silver
Weight
9.83kg (21lb 11oz) - Size (M)
Geometry
5 manufacturer sizes
In this record
21 specifications · archived image · original MSRP · geometry
Campaign
Original buildAluminum

Manufacturer catalog

Published sizes and colors

6 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

XSSMM/LLXL

Published colors

Glacier Silver

Frameset

Frame ConstructionALUXX-grade aluminum, 12x142mm thru-axle, disc
Frame MaterialAluminum
ForkAdvanced-grade composite, composite OverDrive steerer, 12x100mm thru-axle, disc
Fork MaterialCarbon Fiber

Drivetrain

ShiftersShimano CUES U4000, 9-speed
Rear DerailleurShimano CUES
CranksetFSA Omega AGX+, 42t XS:170mm, S:170mm, M:170mm, M/L:172.5mm, L:172.5mm, XL: 175mm
Bottom Bracketthreaded
CassetteShimano CS-LG3009, 11x41
ChainShimano CN-LG500
Pedalsplatform pedal

Brakes

BrakesTektro HD-R280, Giant MPH rotors [F]160mm, [R]160mm

Cockpit & Contact Points

HandlebarGiant Sport Flat, 31.8 XS:64cm, S:64cm, M:68cm, M/L: 68cm, L:68cm, XL:68cm
StemGiant Sports XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
SaddleGiant ErgoContact
SeatpostGiant D-Fuse, alloy, 350mm

Wheels & Tires

HubsGiant alloy, 12mm thru-axle
RimsGiant S-X2 Disc wheelset
SpokesSapim
Front TireMaxxis Re-Fuse, tubeless, 700x40c
Rear TireMaxxis Re-Fuse, tubeless, 700x40c

Geometry

5 sizes · 17 measurements

Frame measurements by size.

All geometry measurements5 sizes · 17 measurements
MeasurementSMMLLXL
Seat tube455 mm475 mm495 mm525 mm555 mm
Top tube560 mm575 mm590 mm610 mm630 mm
Head tube130 mm155 mm175 mm200 mm225 mm
Head-tube angle70.5°71°71°71.5°71.5°
Seat-tube angle73.5°73.5°73°73°73°
Chainstay / rear center435 mm435 mm435 mm435 mm435 mm
Wheelbase1047 mm1058 mm1069 mm1084 mm1105 mm
Bottom-bracket drop75 mm75 mm75 mm75 mm75 mm
Reach396 mm404 mm407 mm419 mm432 mm
Stack552 mm578 mm597 mm623 mm646 mm
Standover height736 mm756 mm773 mm800 mm826 mm
Fork offset / rake50 mm50 mm50 mm50 mm50 mm
Trail73.7 mm70.4 mm70.4 mm67.1 mm67.1 mm
Crank length170 mm170 mm172.5 mm172.5 mm172.5 mm
Stem length80 mm90 mm90 mm100 mm110 mm
Handlebar width640 mm680 mm680 mm680 mm680 mm
Wheel size700C700C700C700C700C

Dimensions as recorded.

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

All published sizes42T · 11–41T · 9-speed
Lowest1.02:1 Highest3.82:1 Total range373%
Estimated speed At 90 RPM Lowest gear7.6 mph Highest gear28.3 mph

Rear tire: 700C×40.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Front tire · Original
Maxxis Re-Fuse

tubeless, 700x40c

Retailer offers
Other replacement options (2)

Challenge Getaway Race Vulcanized Tubeless Tire Black, 700x40

700x40c

Replacement option

Chain · Original
Shimano CN-LG500
Cassette · Original
Shimano CS-LG3009

11x41

More parts (3)Fewer parts
Brake pads · Original
Tektro HD-R280

Giant MPH rotors [F]160mm, [R]160mm

Rear derailleur · Original
Shimano CUES
Shifters · Original
Shimano CUES U4000

9-speed

Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.

Service essentialsQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire
Maxxis Re-Fuse, tubeless, 700x40cCheck: Verify the fitted tire’s size marking and rim type.
Rear tire
Maxxis Re-Fuse, tubeless, 700x40cCheck: Verify the rear size; it may differ from the front.
Drivetrain
9-speedCheck: Match the installed drivetrain family, not just its speed count.
Bottom bracket / shell
threadedCheck: Verify shell type and width, crank interface, and spindle length or spacers.

Not confirmed in this record: Seatpost diameter. Check the fitted parts for these details.

Bike-specific inspection checklist 20 checks based on 5 archived component groups Open checklistClose checklist
0 of 20 checked Progress stays in this browser for this record.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2025 Giant FastRoad AR 2 · Road · Published sizes: XS, S, M, M/L, L, XL

Archived: Frame: ALUXX-grade aluminum, 12x142mm thru-axle, disc · Fork: Advanced-grade composite, composite OverDrive steerer, 12x100mm thru-axle, disc · Carbon Fiber

Archived: Shifters: Shimano CUES U4000, 9-speed · Rear derailleur: Shimano CUES · Crankset: FSA Omega AGX+, 42t XS:170mm, S:170mm, M:170mm, M/L:172.5mm, L:172.5mm, XL: 175mm · Bottom bracket: threaded · Cassette: Shimano CS-LG3009, 11x41 · Chain: Shimano CN-LG500

Archived: Brakes: Tektro HD-R280, Giant MPH rotors [F]160mm, [R]160mm

Archived: Rims: Giant S-X2 Disc wheelset · Hubs: Giant alloy, 12mm thru-axle · Front tire: Maxxis Re-Fuse, tubeless, 700x40c · Rear tire: Maxxis Re-Fuse, tubeless, 700x40c

Controls and contact points

Archived: Handlebar: Giant Sport Flat, 31.8 XS:64cm, S:64cm, M:68cm, M/L: 68cm, L:68cm, XL:68cm · Stem: Giant Sports XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm · Seatpost: Giant D-Fuse, alloy, 350mm · Saddle: Giant ErgoContact · Pedals: platform pedal

Before and during the test ride

Follow the full used-bike inspection order →

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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