Velopedia Bicycle Archive
2026 Colnago C68 Gravel Sram Red XPLR
Cyclocross/Gravel bicycle from the Velopedia specification archive.
- Original MSRP
- From $8,537.00
- Sizes
- 450, 480, 510, 540, 570
- Colors
- G3G2, HGBK, RVWH
- Geometry
- 5 manufacturer sizes · Ride analysis
- Archive ID
- 900000338
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Velopedia analysis
What the specifications mean
Electronic shifting removes the usual shift cable but adds a separate battery and controls, while the 440% cassette range describes how much gearing is available. A disc-brake label alone does not establish parts compatibility; rotor diameter, mount standard and pad shape still need confirmation. The rims and tires are tubeless-ready, but that label does not confirm the bike is currently set up without tubes; tape, valves, sealant and tire condition still matter.
Drivetrain
Electronic · 440% range
Shift-system battery state joins derailleur setup and sprocket compatibility as a troubleshooting variable.
Brake compatibility
Disc brake system
Rotor diameter, mount standard and pad shape still require confirmation before replacement.
Tire setup
Tubeless-ready
The rims and tires may support tubeless use, but the bike may still be running tubes.
Frame material
Carbon / composite
Look for impact damage and clamp marks rather than metal-style dents or rust.
Used-bike inspection
If you’re buying this bike used
Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.
Follow the full used-bike inspection order →- FrameInspect the frame in bright light, especially around the head tube, bottom bracket, chainstays and clamped areas. Look for cracks, ripples, crushed sections or signs of a previous impact.Inspect the frame and fork →
- BrakesBoth brakes should stop firmly and release without rubbing. Inspect pad thickness, rotor wear and alignment, and check the cables or hoses for damage.Inspect the brakes →
- DrivetrainConfirm every shift-system battery charges, every shift control works and the derailleur moves cleanly across the cassette. Make sure the matching shift-system charger is included, then measure chain wear and inspect the cassette teeth.Check drivetrain wear →
- Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads. If it is set up tubeless, confirm both tires hold pressure and ask when the sealant was last refreshed.Check wheels and tires →
- Bottom bracketTurn the cranks slowly, feel for rough bearings and check for side-to-side play. Creaking under load deserves investigation but does not identify the source by itself.Inspect the bottom bracket and shell →
Bike-specific inspection checklist 20 checks based on 5 archived component groups Open checklistClose checklist
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 2026 Colnago C68 Gravel Sram Red XPLR · Cyclocross/Gravel · Published sizes: 450, 480, 510, 540, 570
Frame and fork
Inspect the frame and fork →Archived: Frame: Modular carbon frame construction: 8 carbon parts. · Fork: Colnago carbon fork for disc brakes, integrated cables. · Carbon fiber
Drivetrain
Check drivetrain wear →Archived: Group: Sram Red XPLR · Shifters: SRAM Red eTap AXS HRD SHIFT-BRAKE SYSTEM · Front derailleur: This goupset has a single chainring · Rear derailleur: Sram RED XPLR eTap AXS - RD-RED-E-D1 · Crankset: 40T · Bottom bracket: T47 Sram DUB Road · Cassette: 10-44T 12s · Chain: RED Chain - CN-RED-D1 12s
Brakes
Inspect the brakes →Archived: Brakes: Disc brakes SRAM Red eTap AXS HRD SHIFT-BRAKE SYSTEM - CenterLine XR Rotor
Wheels and tires
Check wheels and tires →Archived: Wheels: ZIPP 303S - Tubeless tires only · Rims: Material: Carbon – Hookless; Rim Height: 45mm; Internal Channel Width: 23 mm · Hubs: 176D, 76D · Front tire: Pirelli Cinturato Gravel H TLR (40-622) · Rear tire: Pirelli Cinturato Gravel H TLR (40-622)
Controls and contact points
Archived: Headset: ACROS ss 1"1/4 3547 steel bearing · Handlebar: Colnago CC.01 integrated Cockpit - Wide geometry. · Stem: CC01 integrated cockpit · Seatpost: Carbon seatpost, 0.15 offset, "D-Shape" section · Saddle: Option 1Prologo Scratch M5 Nack 140 Hard BlackOption 2Selle Italia SLR Boost SuperFlow Carbon Rail
Before and during the test ride
Follow the full used-bike inspection order →Interpretation based on the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
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Frameset
| Frame Construction | Modular carbon frame construction: 8 carbon parts. |
|---|---|
| Frame Material | Carbon fiber |
| Fork | Colnago carbon fork for disc brakes, integrated cables. |
| Fork Material | Carbon fiber |
Drivetrain
| Component Group | Sram Red XPLR |
|---|---|
| Shifters | SRAM Red eTap AXS HRD SHIFT-BRAKE SYSTEM |
| Front Derailleur | This goupset has a single chainring |
| Rear Derailleur | Sram RED XPLR eTap AXS - RD-RED-E-D1 |
| Crankset | 40T |
| Bottom Bracket | T47 Sram DUB Road |
| Cassette | 10-44T 12s |
| Chain | RED Chain - CN-RED-D1 12s |
Brakes
| Brakes | Disc brakes SRAM Red eTap AXS HRD SHIFT-BRAKE SYSTEM - CenterLine XR Rotor |
|---|
Cockpit & Contact Points
| Headset | ACROS ss 1"1/4 3547 steel bearing |
|---|---|
| Handlebar | Colnago CC.01 integrated Cockpit - Wide geometry. |
| Stem | CC01 integrated cockpit |
| Saddle | Option 1Prologo Scratch M5 Nack 140 Hard BlackOption 2Selle Italia SLR Boost SuperFlow Carbon Rail |
| Seatpost | Carbon seatpost, 0.15 offset, "D-Shape" section |
Wheels & Tires
| Hubs | 176D, 76D |
|---|---|
| Wheels | ZIPP 303S - Tubeless tires only |
| Rims | Material: Carbon – Hookless; Rim Height: 45mm; Internal Channel Width: 23 mm |
| Front Tire | Pirelli Cinturato Gravel H TLR (40-622) |
| Rear Tire | Pirelli Cinturato Gravel H TLR (40-622) |
Size-specific frame data
Geometry
Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.
| Measurement | 450 | 480 | 510 | 540 | 570 |
|---|---|---|---|---|---|
| Effective top tube | 520 mm | 545 mm | 569 mm | 590 mm | 600 mm |
| Head tube | 130 mm | 130 mm | 157 mm | 185 mm | 212 mm |
| Head-tube angle | 75° | 70.5° | 70.5° | 70.5° | 70.5° |
| Seat-tube angle | 75° | 74° | 73.5° | 73.2° | 73° |
| Chainstay / rear center | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Bottom-bracket drop | 72 mm | 74 mm | 72 mm | 72 mm | 72 mm |
| Reach | 375 mm | 386 mm | 397 mm | 408 mm | 419 mm |
| Stack | 541 mm | 555 mm | 580 mm | 605 mm | 630 mm |
| Front center | 596 mm | 612 mm | 632 mm | 652 mm | 660 mm |
| Fork length / axle-to-crown | 409 mm | 409 mm | 409 mm | 409 mm | 409 mm |
| Crank length | 170 mm | 170 mm | 172.5 mm | 172.5 mm | 175 mm |
| Stem length | 80 mm | 90 mm | 100 mm | 110 mm | 120 mm |
Geometry source: Colnago first-party labeled geometry panels ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.
Geometry interpretation
What this geometry means
450 geometry
Riding position
A 375 mm reach and 541 mm stack give this size a middle-ground gravel proportion: neither especially stretched and low nor unusually upright. A 75° seat angle puts the rider relatively forward over the bottom bracket, shortening the effective seated reach compared with a more relaxed seat angle.
Handling tendencies
The 75° head angle points to quicker-steering steering geometry. Head angle is only one part of steering feel; fork offset, trail, wheel size and cockpit setup also matter. A 72 mm bottom-bracket drop places the rider relatively low between the wheels, which can add a settled cornering feel while reducing pedal clearance compared with a higher bottom bracket.
Archive context
The head angle of 75° sits toward the steeper end. The seat angle of 75° sits somewhat steeper than typical. The chainstay of 425 mm sits somewhat shorter than typical.
480 geometry
Riding position
A 386 mm reach and 555 mm stack give this size a middle-ground gravel proportion: neither especially stretched and low nor unusually upright.
Handling tendencies
The 70.5° head angle points to moderate and balanced steering geometry. Head angle is only one part of steering feel; fork offset, trail, wheel size and cockpit setup also matter. A 74 mm bottom-bracket drop places the rider relatively low between the wheels, which can add a settled cornering feel while reducing pedal clearance compared with a higher bottom bracket.
Archive context
Its reach of 386 mm sits somewhat longer than typical. The seat angle of 74° sits somewhat more relaxed than typical. The chainstay of 425 mm sits somewhat shorter than typical.
510 geometry
Riding position
A 397 mm reach and 580 mm stack give this size a middle-ground gravel proportion: neither especially stretched and low nor unusually upright.
Handling tendencies
The 70.5° head angle points to moderate and balanced steering geometry. Head angle is only one part of steering feel; fork offset, trail, wheel size and cockpit setup also matter. A 72 mm bottom-bracket drop places the rider relatively low between the wheels, which can add a settled cornering feel while reducing pedal clearance compared with a higher bottom bracket.
Archive context
The chainstay of 425 mm sits somewhat shorter than typical. Its reach of 397 mm sits somewhat longer than typical. The seat angle of 73.5° sits somewhat more relaxed than typical.
540 geometry
Riding position
A 408 mm reach and 605 mm stack give this size a middle-ground gravel proportion: neither especially stretched and low nor unusually upright.
Handling tendencies
The 70.5° head angle points to moderate and balanced steering geometry. Head angle is only one part of steering feel; fork offset, trail, wheel size and cockpit setup also matter. A 72 mm bottom-bracket drop places the rider relatively low between the wheels, which can add a settled cornering feel while reducing pedal clearance compared with a higher bottom bracket.
Archive context
The chainstay of 425 mm sits somewhat shorter than typical. Its reach of 408 mm sits somewhat longer than typical. The seat angle of 73.2° sits close to the middle of the group.
570 geometry
Riding position
A 419 mm reach and 630 mm stack give this size a middle-ground gravel proportion: neither especially stretched and low nor unusually upright.
Handling tendencies
The 70.5° head angle points to moderate and balanced steering geometry. Head angle is only one part of steering feel; fork offset, trail, wheel size and cockpit setup also matter. A 72 mm bottom-bracket drop places the rider relatively low between the wheels, which can add a settled cornering feel while reducing pedal clearance compared with a higher bottom bracket.
Archive context
The chainstay of 425 mm sits somewhat shorter than typical. Its reach of 419 mm sits somewhat longer than typical. The seat angle of 73° sits somewhat more relaxed than typical.
Across the size range
From 450 to 570, reach grows by 44 mm and stack by 89 mm, showing how the frame becomes both longer and taller through the published size range. The rear center stays essentially constant at about 425 mm across sizes, so most of the wheelbase growth happens in the front half of the bike rather than by lengthening the rear triangle.
Geometry describes frame proportions and likely tendencies, not a ride test. Rider proportions, cockpit setup, tires, suspension settings, wheel configuration, and component choices can materially change how a bicycle fits and feels.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.