Velopedia Bicycle Archive
2021 Cannondale Treadwell 2 Ltd
Hybrid bicycle from the Velopedia specification archive.
- Original MSRP
- $1,000.00
- Sizes
- S, M, L
- Colors
- Raw
- Geometry
- 3 manufacturer sizes · Ride analysis
- Archive ID
- 900001044
Current market
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Velopedia analysis
What the specifications mean
The 382% cassette range describes the available gearing more clearly than the component-group name alone. Hydraulic disc brakes shift routine service toward pad and rotor condition, fluid leaks and use of the correct bleed fluid. On the alloy frame, dents and hairline cracks around welds, pivots and heavily loaded junctions matter more than cosmetic scratches.
Gearing
382% cassette range
Calculated from the published 11–42-tooth sprocket span.
Brake service
Hydraulic disc
Pad and rotor condition plus the correct bleed fluid are the primary service checks.
Frame material
Aluminum / alloy
Dents and cracking around welds, pivots and loaded junctions deserve attention.
Wheel standard
650B · 584 mm
The ISO bead-seat diameter is the dependable tire and rim compatibility reference.
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 →- FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
- BrakesBoth levers should feel firm and return cleanly. Check for fluid around the levers and calipers, inspect pad thickness and contamination, and look for worn or bent rotors.Inspect the brakes →
- DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 9-speed system.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.Check wheels and tires →
Bike-specific inspection checklist 19 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: 2021 Cannondale Treadwell 2 Ltd · Hybrid · Published sizes: S, M, L
Frame and fork
Inspect the frame and fork →Archived: Frame: SmartForm C3 Alloy, Ride-Easy low-standover geometry, Straightshot hidden cable routing, Urban Armor frame bumpers, flat mount disc, rack/fender mounts · Fork: SmartForm C3 Alloy blades, 1-1/8" steerer, OutFront offset, flat mount disc, mid-blade rack/fender mounts · Aluminum
Drivetrain
Check drivetrain wear →Archived: Shifters: microSHIFT Advent, 9-speed · Rear derailleur: microSHIFT Advent · Crankset: Prowheel, 38T · Bottom bracket: Cartridge, square taper · Rear cogs: microSHIFT, 11-42, 9-speed · Chain: KMC X9, 9-speed
Brakes
Inspect the brakes →Archived: Brakes: Brakes Tektro HD-R28 hydraulic disc, 160/140mm rotors Brake Levers Tektro hydraulic disc
Wheels and tires
Check wheels and tires →Archived: Wheel size: 27.5 · Rims: Cannondale, double wall, 32h · Hubs: (F) Sealed Alloy Disc, 5mm Hex Security QR / (R) Sealed Alloy Disc, 5mm Hex Security QR · Front tire: Maxxis DTR-1, 650bx47c · Rear tire: Maxxis DTR-1, 650bx47c
Controls and contact points
Archived: Headset: Semi-Integrated · Handlebar: Cannondale Cruise Control riser, 6061 Alloy, 31.8mm, 15° back, 740mm · Stem: Cannondale 3 with Intellimount, Alloy, 31.8mm clamp · Seatpost: 6061 Alloy, 31.6x350mm · Saddle: Cannondale Treadwell, 170mm, steel rails
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 | SmartForm C3 Alloy, Ride-Easy low-standover geometry, Straightshot hidden cable routing, Urban Armor frame bumpers, flat mount disc, rack/fender mounts |
|---|---|
| Frame Material | Aluminum |
| Fork | SmartForm C3 Alloy blades, 1-1/8" steerer, OutFront offset, flat mount disc, mid-blade rack/fender mounts |
| Fork Material | Aluminum |
Drivetrain
| Shifters | microSHIFT Advent, 9-speed |
|---|---|
| Rear Derailleur | microSHIFT Advent |
| Crankset | Prowheel, 38T |
| Bottom Bracket | Cartridge, square taper |
| Rear Cogs | microSHIFT, 11-42, 9-speed |
| Chain | KMC X9, 9-speed |
Brakes
| Brakes | Brakes Tektro HD-R28 hydraulic disc, 160/140mm rotors Brake Levers Tektro hydraulic disc |
|---|
Cockpit & Contact Points
| Headset | Semi-Integrated |
|---|---|
| Handlebar | Cannondale Cruise Control riser, 6061 Alloy, 31.8mm, 15° back, 740mm |
| Stem | Cannondale 3 with Intellimount, Alloy, 31.8mm clamp |
| Saddle | Cannondale Treadwell, 170mm, steel rails |
| Seatpost | 6061 Alloy, 31.6x350mm |
Wheels & Tires
| Hubs | (F) Sealed Alloy Disc, 5mm Hex Security QR / (R) Sealed Alloy Disc, 5mm Hex Security QR |
|---|---|
| Rims | Cannondale, double wall, 32h |
| Spokes | Stainless Steel, 14g |
| Front Tire | Maxxis DTR-1, 650bx47c |
| Rear Tire | Maxxis DTR-1, 650bx47c |
| Wheel Size | 27.5 |
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 | S | M | L |
|---|---|---|---|
| Seat tube | 387 mm | 450 mm | 513 mm |
| Effective top tube | 557 mm | 579 mm | 600 mm |
| Head tube | 135 mm | 165 mm | 196 mm |
| Head-tube angle | 70.5° | 71° | 71° |
| Seat-tube angle | 71° | 71° | 71° |
| Chainstay / rear center | 460 mm | 460 mm | 460 mm |
| Wheelbase | 1059 mm | 1076 mm | 1097 mm |
| Bottom-bracket drop | 64 mm | 64 mm | 64 mm |
| Bottom-bracket height | 280 mm | 280 mm | 280 mm |
| Reach | 368 mm | 379 mm | 390 mm |
| Stack | 550 mm | 580 mm | 610 mm |
| Standover height | 665 mm | 709 mm | 747 mm |
| Fork offset / rake | 55 mm | 55 mm | 55 mm |
| Front center | 601 mm | 618 mm | 639 mm |
| Trail | 63 mm | 60 mm | 60 mm |
Geometry source: Human-verified manufacturer geometry image transcription ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.
Geometry interpretation
What this geometry means
S geometry
Riding position
The 368 mm reach and 550 mm stack sit in a moderate proportion, without a strong long-and-low or tall-and-short bias.
Handling tendencies
A 70.5° head angle combined with a 1059 mm wheelbase points to moderate steering and chassis behavior. The longer the chassis and slacker the front end, the more the bike tends to favor composure over very quick direction changes.
Archive context
Its reach of 368 mm sits toward the shorter end. Its stack of 550 mm sits toward the lower end. The seat angle of 71° sits toward the more relaxed end.
M geometry
Riding position
The 379 mm reach and 580 mm stack sit in a moderate proportion, without a strong long-and-low or tall-and-short bias.
Handling tendencies
A 71° head angle combined with a 1076 mm wheelbase points to moderate steering and chassis behavior. The longer the chassis and slacker the front end, the more the bike tends to favor composure over very quick direction changes.
Archive context
Its reach of 379 mm sits toward the shorter end. The seat angle of 71° sits toward the more relaxed end. The head angle of 71° sits toward the steeper end.
L geometry
Riding position
At 610 mm of stack and 390 mm of reach, the frame is tall relative to its length, which generally supports a more upright position.
Handling tendencies
A 71° head angle combined with a 1097 mm wheelbase points to moderate steering and chassis behavior. The longer the chassis and slacker the front end, the more the bike tends to favor composure over very quick direction changes.
Archive context
Its reach of 390 mm sits toward the shorter end. The seat angle of 71° sits toward the more relaxed end. The head angle of 71° sits toward the steeper end.
Across the size range
From S to L, reach grows by 22 mm and stack by 60 mm, showing how the frame becomes both longer and taller through the published size range. The rear center stays essentially constant at about 460 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.
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.