Cannondale Topstone CAAD 1 GRX 2x Gravel Bike (2027) - Pedal Passion

Cannondale Topstone CAAD 1 GRX 2x Gravel Bike (2027 model)

Name: Cannondale Topstone CAAD 1 GRX 2x Gravel Bike (2027 model)
SKU: CDC1507HU1047
Price: 2284.0 AUD
Availability: InStock

$2,284.00 USD

The Cannondale Topstone CAAD 1 GRX 2x brings premium CAAD aluminium construction, wide-range Shimano GRX 2x12 gearing, confident hydraulic braking and generous tyre clearance together in a fast, versatile gravel bike built for our local Aussie roads, rail trails and loaded adventures.

Cannondale Topstone CAAD 1 GRX 2x Features

Premium SmartForm C1 aluminium frame combines responsive handling, impressive durability and Cannondale’s refined CAAD ride quality.
Shimano GRX 2x12 drivetrain provides a wide usable range with closer gear steps for efficient road, gravel and climbing performance.
Full carbon fork, OutFront Steering Geometry and 45mm tyres deliver confident control and comfort across mixed surfaces.
Clearance for tyres measuring up to 52mm allows the bike to be adapted for rougher gravel, greater grip or added comfort.
Multiple frame and fork mounts, dropper compatibility and suspension-ready geometry provide outstanding upgrade and bikepacking potential.
All-in-all incredible value

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Size

ColorPlatinum Bronze

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Cannondale Topstone CAAD 1 GRX 2x

Model year: 2027
Colour: Platinum Bronze

Intended use:

Gravel riding
All-road cycling
Long-distance riding
Bikepacking
Fast mixed-surface riding
Performance commuting
Recreational gravel events

Frame: Cannondale Topstone CAAD SmartForm C1 aluminium

Fork: Cannondale Topstone full carbon
Drivetrain: Shimano GRX mechanical 2x12-speed
Total gears: 24 theoretical gear combinations
Shifters: Shimano GRX RX610, 2x12-speed
Rear derailleur: Shimano GRX RX820 Shadow RD+, 12-speed
Front derailleur: Shimano GRX RX820
Crankset: Shimano GRX RX600, 46/30T
Cassette: Shimano 105 CS-R7100, 11-36T, 12-speed
Chain: Shimano CN-M7100, 12-speed
Bottom bracket: Shimano BSA 68mm threaded

Gear range:

Lowest gear: 30 x 36T
Highest gear: 46 x 11T
Overall theoretical range: Approximately 502%

Brakes: Shimano GRX RX410 hydraulic disc brakes

Brake rotors: 160mm front and rear
Brake mounting: Flat mount

Wheel size: 700c

Rims: WTB ST i25 TCS 2.0
Internal rim width: 25mm
Spoke count: 28 front and rear
Tubeless compatibility: Tubeless-ready rims and tyres
Tyres: WTB Vulpine TCS Light, 700x45c

Maximum measured frame tyre clearance: Up to 52mm with the manufacturer’s recommended surrounding clearance

Front hub: Shimano TC500, 12x100mm, Center Lock

Rear hub: Shimano TC500, 12x142mm, Center Lock, Shimano HG freehub

Maximum measured fork tyre clearance: Up to approximately 56mm, subject to wheel, tyre and operating-clearance requirements

Handlebar: Cannondale 3 butted 6061 aluminium, 16-degree flare
Stem: Cannondale C1 Conceal
Seatpost: Cannondale 3 aluminium, 27.2mm
Dropper-post compatibility: Internal routing for a compatible 27.2mm dropper post
Saddle: Cannondale Stage CX
Headset: Integrated, compatible with the frame’s 1.5-inch head tube arrangement
Frame axle: 12x142mm thru-axle
Fork axle: 12x100mm thru-axle
Rear derailleur hanger: Universal Derailleur Hanger
Cable routing: Internal StraightShot mechanical cable and dynamo routing
Pedals: Not included

Accessory compatibility:

Frame bags
Fork-mounted cargo
Multiple bottle cages
Rear rack
Full-length mudguards
Two-bolt kickstand
Dynamo hub and internally routed lighting
27.2mm dropper post
Compatible gravel suspension fork, including Lefty Oliver

SmartForm C1 Aluminium Frame

The Cannondale Topstone CAAD 1 GRX 2x uses the company’s premium SmartForm C1 aluminium construction. Cannondale applies custom butting, tube shaping, swaging and carefully controlled welding to place material where structural strength is required while reducing unnecessary weight elsewhere.

This approach helps the frame feel responsive during acceleration without turning it into an unforgiving race-only platform. Smoothly finished welds and clean tube transitions also give the Topstone CAAD a more refined appearance than many conventional aluminium gravel frames.

CAAD Aluminium Heritage

CAAD stands for Cannondale Advanced Aluminium Design. The name reflects decades of experience building performance aluminium road and mixed-surface bicycles rather than positioning aluminium solely as an inexpensive alternative to carbon fibre.

The Topstone CAAD applies that experience to a modern gravel platform designed around broad tyre clearance, stable handling, practical mounting options and straightforward servicing.

Full Carbon Fork

The full carbon Topstone fork reduces front-end weight and helps filter high-frequency vibration from coarse bitumen, corrugations and compacted gravel. Its tapered steerer supports accurate steering, while three mounting points on each fork leg allow cargo cages, additional bottles or lightweight bikepacking equipment to be fitted.

Integrated cable and dynamo routing maintains a clean appearance and makes it easier to build a dependable lighting system for commuting, endurance events or multi-day travel.

OutFront Steering Geometry

Cannondale’s OutFront Steering Geometry combines a comparatively relaxed head angle with a longer 55mm fork offset. The intention is to deliver stable handling at speed without making the steering feel excessively slow through tight corners.

This is particularly useful on gravel, where riders need confidence on loose descents but still want agile handling on sealed roads, bike paths and twisting fire trails.

Shimano GRX 2x12 Drivetrain

The 46/30T crankset and 11-36T cassette provide both a high road-oriented gear and a low climbing ratio. Compared with many 1x gravel drivetrains, the 2x12 system offers smaller jumps between frequently used gears, helping riders maintain a comfortable cadence during fast group rides, rolling terrain and long headwind sections.

The GRX RX820 Shadow RD+ rear derailleur incorporates a chain-stabilising clutch. This reduces chain movement and noise over rough surfaces while helping maintain chain control across corrugations and broken gravel.

Wide Tyre Clearance

The frame accepts tyres measuring up to 52mm under Cannondale’s specified clearance conditions. This creates substantial room for riders to tune the bike for local conditions.

Fast 40mm to 45mm tyres suit sealed-road links, rail trails and maintained gravel, while larger-volume tyres can add comfort, grip and control on sandier roads, loose forestry tracks and rough backcountry routes.

Service-Friendly Standards

The Topstone CAAD uses a threaded 68mm BSA bottom bracket, standard 12mm thru-axles, a 27.2mm seatpost and a Universal Derailleur Hanger. These standards simplify routine service and make replacement components easier to obtain through bike shops.

Available frame sizes (check local stock or reach out to us)

47cm
51cm
54cm
56cm
58cm
61cm

Approximate manufacturer sizing guidance:

47cm: 149-168cm rider height
51cm: 165-176cm rider height
54cm: 172-181cm rider height
56cm: 177-186cm rider height
58cm: 182-193cm rider height
61cm: 190-201cm rider height

Height ranges overlap because proportions, flexibility, riding style and preferred position influence fit. A professional bike fit is recommended when a rider falls between sizes or intends to use the bike for long-distance events.

Size-specific crank lengths:

47cm: 165mm
51cm: 170mm
54cm: 172.5mm
56cm: 172.5mm
58cm: 175mm
61cm: 175mm

Size-specific handlebar widths:

47cm: 380mm
51cm: 400mm
54cm: 420mm
56cm: 420mm
58cm: 440mm
61cm: 440mm

Size-specific stem lengths:

47cm: 70mm
51cm: 80mm
54cm: 90mm
56cm: 90mm
58cm: 100mm
61cm: 100mm

Seatpost diameter: 27.2mm

Bottom bracket standard: BSA 68mm threaded

Fork offset: 55mm

Rear hub spacing: 12x142mm

Front hub spacing: 12x100mm

Native brake rotor size: 160mm

Tyre size fitted: 700x45c

Maximum frame tyre clearance: Up to 52mm measured tyre width

Fork tyre clearance: Up to approximately 56mm measured tyre width

Exact reach, stack, wheelbase, head angle and seat angle vary by frame size. These measurements should be confirmed using the relevant Cannondale geometry chart before completing a remote sale or changing the cockpit.

The Cannondale Topstone CAAD 1 GRX 2x is ideal for riders who want one capable gravel bike for fast weekend rides, long-distance adventures, sealed-road connectors, light touring and everyday commuting.

Routine Cleaning

Wash the bike using a bicycle-safe cleaner, soft brushes and low-pressure water. Avoid pressure washing the hubs, bottom bracket, headset, derailleur pivots and brake callipers.

After wet, muddy, dusty or coastal rides:

Rinse abrasive contamination from the frame and drivetrain.
Clean and dry the chain.
Apply a lubricant suitable for the conditions.
Remove excess lubricant from the outside of the chain.
Inspect the brake pads and rotors.
Check the tyres for cuts or embedded debris.
Dry exposed fasteners and mounting points.

Drivetrain Care

Check chain wear regularly. Replacing a worn chain early can extend the service life of the chainrings and cassette.
The derailleur clutch should remain engaged for rough riding to improve chain control. It can be disengaged when removing the rear wheel or carrying out selected maintenance procedures.

Tubeless Care

The WTB rims and tyres are tubeless-ready, but sealant and valves may need to be added separately. If converted:

Check tyre pressure before every ride.
Inspect sealant approximately every two to four months.
Top up sealant more frequently in hot Australian conditions.
Check for sidewall damage after rocky rides.
Use tyre pressures appropriate for rider mass, tyre width, rim width and terrain.

Frame and Fork Inspection

Regularly inspect the frame and carbon fork for dents, deep scratches, cracks or impact damage. Stop riding and arrange a professional inspection after a significant crash.
Use protective tape beneath frame bags and straps to prevent dirt from abrading the finish. Ensure cargo mounted to the fork remains within Cannondale’s load limits.

Warranty

Cannondale provides the original retail purchaser with a limited lifetime frame warranty, subject to product registration, proof of purchase.
Cannondale-branded components generally have a one-year warranty. Components from Shimano, WTB and other suppliers may carry separate manufacturer coverage.
Warranty claims are normally processed through an authorised Cannondale dealer (Pedal Passion Brisbane). Normal wear, poor maintenance, crash damage, corrosion, incorrect assembly, unauthorised modification and use outside the bike’s intended category are typically excluded.

As a newly introduced 2027 model, the Cannondale Topstone CAAD 1 GRX 2x is still "fresh" so watch this space.

Gravel Passion published its technical assessment of the new Topstone CAAD platform on 13 October 2026. The publication highlighted the move to SmartForm C1 construction, broad 52mm tyre clearance, Universal Derailleur Hanger, threaded BSA bottom bracket and compatibility with a Lefty Oliver suspension fork.

Its assessment was particularly positive about Cannondale treating aluminium as a deliberate performance choice rather than merely a lower-cost substitute for carbon. The article wrote about the new frame’s practical standards, wide tyres and extensive accessory compatibility important improvements for long-term ownership. It also noted that the cleaner frame design avoids excessive integration that could make routine servicing unnecessarily complicated.

TodoMountainBike covered the Topstone CAAD launch on 15 October 2026 and identified the GRX 2x model as the version most suited to fast gravel, rolling terrain and routes containing substantial sealed-road sections. It specifically highlighted the double chainring’s closer gear spacing as a benefit for riders who value cadence control.

Cannondale Topstone CAAD 1 GRX 1x

Best for: Riders wanting the same premium frame with simpler shifting and stronger off-road emphasis.

Advantages:

Simpler 1x12 drivetrain
No front derailleur
Reduced cockpit and drivetrain complexity
Better suited to muddy and rougher gravel conditions
Same broad tyre clearance and practical frame features

Considerations:

Larger gaps between gears
Less precise cadence control on fast road sections
The 2x version offers a broader style of gearing for riders regularly mixing bitumen and gravel
A 1x drivetrain may run out of high or low gearing sooner, depending on chainring and cassette selection

Cannondale Topstone CAAD Lefty

Best for: Riders regularly tackling rough gravel, rocky tracks and light singletrack.

Advantages:

Lefty Oliver suspension fork adds front-wheel control
More comfortable across repeated impacts
Strong technical-terrain capability
Shares the practical Topstone CAAD platform
Distinctive premium specification

Considerations:

Higher purchase price
Greater weight
Added servicing requirements
Suspension can reduce the direct response preferred on smoother roads
More capability than many recreational gravel riders require

Giant Revolt Advanced

Best for: Riders prioritising a carbon frame and adaptable gravel geometry.

Advantages:

Carbon frame options
Adjustable rear geometry on selected models
Strong gravel reputation
Good tyre clearance
Comfortable long-distance ride character

Considerations:

Comparable specifications generally cost more
More complex frame features
Aluminium Topstone may be preferable for heavily loaded use and everyday durability
Model specifications vary significantly between price levels

Trek Checkpoint ALR 5

Best for: Riders comparing performance aluminium gravel bikes with Shimano GRX and extensive mounting points.

Advantages:

Quality aluminium frame
Carbon fork
Strong bikepacking credentials
Practical servicing standards
Stable mixed-surface geometry
Broad Australian dealer support

Considerations:

Tyre clearance and component specification depend on model year
Some builds use 1x gearing, which provides wider jumps between ratios
The Cannondale’s suspension-ready geometry adds another upgrade path
Fit and handling should be compared in person because the two platforms feel different

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