Cannondale Superx 4 vs Megamo Silk 03

Cannondale

Superx 4

Megamo

Silk 03

High endRaceCarbon700c2026

Top of the rangeRaceCarbon700c2026

Close on the specs and the list price: here are their 15 differences, line by line.

CannondaleCannondale Superx 4

MegamoMegamo Silk 03

At a glance

Differences only

Megamo Silk 03 has the higher-range groupset: Shimano GRX 800, GRX Di2, against SRAM Apex XPLR AXS, Apex AXS.

Key specs4 differences

Model year 2026 2026

Frame Carbon ^{°Value not published by the brand} Carbon ^{°Value not published by the brand}

Fork model SuperX Carbon ^{°Value not published by the brand}–

Wheelset 700c · DT Swiss G540 ^{°Value not published by the brand} 700c · Fulcrum Sharq GR Full Carbon

Drivetrain 1×12 1×12

Groupset SRAM Apex XPLR AXS, Apex AXS ^{°Value not published by the brand} Shimano GRX 800, GRX Di2 ^{°Value not published by the brand}Higher range

Brake model SRAM Apex hydraulic disc ^{°Value not published by the brand} Shimano GRX Di2 RX825 ^{°Value not published by the brand}

Seatpost Rigid · Cannondale C1 Aero 27 Carbon, SmartSense compatible, 0mm offset (46cm), 15mm offset (51-61cm) ^{°Value not published by the brand} Rigid · Megamo Gravel Advanced Carbon Seat Post / XS, S size 350 mm / M, L size 400 mm / XL size 450 mm ^{°Value not published by the brand}

Prices

Each model's retailers, delivered to your country, and their prices over time.

Cannondale Superx 4

Megamo Silk 03

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Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

Superx 4 · Gravel bike all-round, rather stable, short gearing, rather high equipment.
Silk 03 · Gravel bike rather demanding, neutral handling, very high equipment.

Terrain

EasyDemanding

Handling

NimbleStable

Gearing

Speed in the lowest and the highest gear at 90 rpm: lower on the left climbs easier, higher on the right goes faster.

Cannondale Superx 411 km/h - 43 km/h

Easiest gear (climbing)Hardest gear (descending)

Cannondale Superx 4Megamo Silk 03other race gravel bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type

Ride type Race

As printed

Gravel Race

Race

As printed

Race Gravel

Suspension Rigid ^{°Value not published by the brand} Rigid ^{°Value not published by the brand}

Frame and fork1 difference

Fork Carbon ^{°Value not published by the brand}

As printed

SuperX Carbon, integrated crown race, , flat mount disc, internal routing, 1-1/8" to 1-1/ , 55mm offset

Carbon

Max tyre clearance 48 mm ^{°Value not published by the brand}–

Axles Thru-axles ^{°Value not published by the brand}

As printed

SuperX Carbon, Proportional Response construction, internal cable routing, 12x142mm thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seatpost b

Thru-axles ^{°Value not published by the brand}

As printed

Carbon Advanced Composite Super Light Race Gravel frame, Full Internal Cable Routing, BB86, Flat mount disc 12x142

Bottom bracket SRAM DUB BSA Road 68 Wide ^{°Value not published by the brand} BB86/BB92, press-fit ^{°Value not published by the brand}

Cable routing Internal ^{°Value not published by the brand}

As printed

internal cable routing

Internal ^{°Value not published by the brand}

As printed

Full Internal Cable Routing

Suspension

Fork travel 55 mm ^{°Value not published by the brand}–

Drivetrain6 differences

Groupset brand SRAM ^{°Value not published by the brand} Shimano ^{°Value not published by the brand}

Shifting Electronic, wireless ^{°Value not published by the brand}

As printed

SRAM Apex AXS XPLR, 12-speed SRAM Apex AXS, 12-speed

Electronic, wired ^{°Value not published by the brand}

As printed

Shimano GRX Di2 RX827, 12-Speed Shimano GRX Di2 RX825

Chainrings 1 ^{°Value not published by the brand} 1 ^{°Value not published by the brand}

Gears at the back 12 ^{°Value not published by the brand} 12 ^{°Value not published by the brand}

Chainring teeth SRAM Apex 1 Wide, 40T ^{°Value not published by the brand} Shimano GRX RX820 Chainring 40T 12-Speed, Crankset ^{°Value not published by the brand}

Cassette SRAM Apex XPLR PG-1231, 11-44, 12-speed ^{°Value not published by the brand} Shimano XT M8200, 10-51T ^{°Value not published by the brand}Higher range

Rear derailleur SRAM Apex AXS XPLR, 12-speed ^{°Value not published by the brand} Shimano GRX Di2 RX827, 12-Speed ^{°Value not published by the brand}

Shifters SRAM Apex AXS, 12-speed ^{°Value not published by the brand} Shimano GRX Di2 RX825 ^{°Value not published by the brand}

Brakes

Brakes Hydraulic disc ^{°Value not published by the brand}

As printed

SRAM Apex Disque hydraulique

Hydraulic disc ^{°Value not published by the brand}

As printed

Shimano GRX 800 Disque hydraulique

Front rotor 160 mm ^{°Value not published by the brand}–

Rear rotor 160 mm ^{°Value not published by the brand}–

Wheels and tyres2 differences

Wheel size 700c / 29" ^{°Value not published by the brand} 700c / 29" ^{°Value not published by the brand}

Rims Aluminium ^{°Value not published by the brand} Carbon ^{°Value not published by the brand}

Rim inner width 24 mm ^{°Value not published by the brand}–

Tubeless ready yes ^{°Value not published by the brand} yes ^{°Value not published by the brand}

Tyres Vittoria Terreno T50, 700x40c, tubeless ready ^{°Value not published by the brand} Pirelli Cinturato Gravel RC Classic

Tyre width fitted 40 mm ^{°Value not published by the brand}–

Cockpit and seatpost2 differences

Handlebar width– 410 mm ^{°Value not published by the brand}

Handlebar Vision Trimax Aero Alloy ^{°Value not published by the brand} new Carbon Gravel Racing Handlebar Full Integratted Internal Cable Routing / XS size 70 x 360 x 410 mm / S size 80 x 360 x 410mm / M size 90 ^{°Value not published by the brand}

Stem Cannondale C1 Conceal, Alloy, 31.8, -6° ^{°Value not published by the brand}–

Seatpost model Cannondale C1 Aero 27 Carbon, SmartSense compatible, 0mm offset (46cm), 15mm offset (51-61cm) ^{°Value not published by the brand} Megamo Gravel Advanced Carbon Seat Post / XS, S size 350 mm / M, L size 400 mm / XL size 450 mm ^{°Value not published by the brand}

° Value not published by the brand

Geometry

A size per bike (the nearest to the first one's at first), the differences measured from the reference bike.

Size of Superx 4

Size of Silk 03

Differences measured from

Superx 4 · 54CM
Silk 03 · M

Stack and reach

Superx 4 · 54CM Superx 4 · 54CM — Reach (mm) 378 · Stack (mm) 555
Silk 03 · M Silk 03 · M — Reach (mm) 395 · Stack (mm) 557

Geometry14 differences

Size 54CM M

Reach 378 mm 395 mm +17 mm

Stack 555 mm 557 mm +2 mm

Top tube (effective) 540 mm 555 mm +15 mm

Seat tube 524 mm 500 mm −24 mm

Head tube 132 mm 130 mm −2 mm

Head angle 71° 71°

Seat angle 73.7° 74° +0.3°

Chainstays 422 mm 425 mm +3 mm

Wheelbase 1,020 mm 1,029 mm +9 mm

Front centre 607 mm 614 mm +7 mm

Standover 812 mm –

BB drop 69 mm 71 mm +2 mm

BB height 290 mm 278 mm −12 mm

Fork offset 55 mm 45 mm −10 mm

Trail 65 mm 73 mm +8 mm

Where to buy them

Cannondale Superx 4
Its full spec sheet
Megamo Silk 03
Its full spec sheet Compare the whole Megamo Silk range

Compare the whole Megamo Silk range

Frequently asked questions

What groupset do Cannondale Superx 4 and Megamo Silk 03 come with?

Cannondale Superx 4: SRAM Apex XPLR AXS, Apex AXS. Megamo Silk 03: Shimano GRX 800, GRX Di2.

How do Cannondale Superx 4 and Megamo Silk 03 compare on geometry?

In size 54CM, Cannondale Superx 4 has a stack of 555 mm for a reach of 378 mm; in size M, Megamo Silk 03 has 557 mm for 395 mm. More stack for the reach means a more upright position.

Compare other models

Cannondale Superx 4 vs Megamo Silk 03

At a glance

Prices

Character

Gearing

Components and specs

Geometry

Stack and reach

Where to buy them

Frequently asked questions

Other comparisons