Velopedia Bicycle Archive
2025 Polygon Path 4
Hybrid bicycle from the Velopedia specification archive.
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What Velopedia knows
- Model year
- 2025
- Category
- Hybrid
- Original MSRP
- $849.00
- Sizes
- S, M, L, XL
- Colors
- Chameleon Purple, Chameleon Green Purple
- Geometry
- 4 manufacturer sizes · Geometry context
- Record coverage
- 22 preserved details · archived image · original MSRP · preserved geometry
- Archive ID
- 900001911
Frameset
| Frame Construction | ALX Urban Fitness |
|---|---|
| Frame Material | Aluminum |
| Fork | Carbon Rigid |
| Fork Material | Carbon Fiber |
Drivetrain
| Shifters | Shimano Tiagra SL-4700, 1X10-Speed Rapidfire Plus |
|---|---|
| Rear Derailleur | Shimano Tiagra RD-4700 |
| Crankset | Prowheel Ounce, 48T |
| Bottom Bracket | Prowheel 68mm |
| Cassette | Shimano Tiagra CS HG500-10 |
| Chain | KMC X10 |
| Pedals | One Piece PP Flat |
Brakes
| Brakes | Shimano BR-MT200 Hydraulic Disc; Levers: Shimano BL-MT200; Rotors: Shimano SM-RT26, 160mm |
|---|
Cockpit & Contact Points
| Headset | FSA TH-881 W/ Sealed Bearing, IS 42/28.6 | IS 52/40 |
|---|---|
| Handlebar | POLYGON EXPERT, W: 680mm, BB: 31,8mm, R/D: 0mm, B: 6 degree |
| Stem | Polygon Expert, EXT: 60mm (S, M) / 80mm (L, XL), BB: 31,8mm, R/D: 41mm |
| Saddle | Selle Royal Ease |
| Seatpost | Polygon Expert, DXL: 27,2 X 350mm |
Wheels & Tires
| Hubs | F: Alloy Disc Brake 12x100mm 24H / R: Alloy Disc Brake 12x142mm 24H Centerlock for Sprocket |
|---|---|
| Wheels | Alloy Double Wall 24H |
| Rims | Alloy Double Wall FV H: 30 622x19 24H for Tyre 622-28/62 Disc |
| Front Tire | VEE Goodie Goodie 700x35C 622x35 |
| Rear Tire | VEE Goodie Goodie 700x35C 622x35 |
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 | XL |
|---|---|---|---|---|
| Seat tube | 430 mm | 460 mm | 490 mm | 520 mm |
| Effective top tube | 530 mm | 548 mm | 572 mm | 596 mm |
| Head tube | 115 mm | 145 mm | 175 mm | 205 mm |
| Head-tube angle | 70.5° | 70.5° | 71° | 71° |
| Seat-tube angle | 74.5° | 74.5° | 74° | 73.5° |
| Actual seat-tube angle | 74.5° | 74.5° | 74° | 73.5° |
| Chainstay / rear center | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1033 mm | 1053 mm | 1069 mm | 1088 mm |
| Bottom-bracket drop | 72 mm | 72 mm | 72 mm | 72 mm |
| Bottom-bracket height | 286 mm | 286 mm | 286 mm | 286 mm |
| Reach | 380 mm | 390 mm | 400 mm | 410 mm |
| Stack | 541 mm | 570 mm | 600 mm | 628 mm |
| Standover height | 703 mm | 735 mm | 763 mm | 793 mm |
Geometry source: Polygon first-party metric geometry table ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.
Geometry tools
Analyze a published size
S geometry
Archive context: Its wheelbase of 1033 mm sits toward the shorter end. Its bottom-bracket drop of 72 mm sits toward the deeper-drop end. Its stack of 541 mm sits toward the lower end.
Compared with 24 distinct hybrid geometries in the Small-equivalent size cohort from model years 2023–2027 in the Velopedia archive.Want to go deeper?Open this exact published size and configuration in the Velopedia Geometry Analyzer, then complete any measurements the manufacturer did not provide.
Analyze S geometry M geometry
Archive context: Its wheelbase of 1053 mm sits toward the shorter end. The seat angle of 74.5° sits toward the steeper end. Its bottom-bracket drop of 72 mm sits toward the deeper-drop end.
Compared with 26 distinct hybrid geometries in the Medium-equivalent size cohort from model years 2023–2027 in the Velopedia archive.Want to go deeper?Open this exact published size and configuration in the Velopedia Geometry Analyzer, then complete any measurements the manufacturer did not provide.
Analyze M geometry L geometry
Archive context: The seat angle of 74° sits toward the steeper end. Its stack of 600 mm sits toward the lower end. Its wheelbase of 1069 mm sits toward the shorter end.
Compared with 24 distinct hybrid geometries in the Large-equivalent size cohort from model years 2023–2027 in the Velopedia archive.Want to go deeper?Open this exact published size and configuration in the Velopedia Geometry Analyzer, then complete any measurements the manufacturer did not provide.
Analyze L geometry XL geometry
Archive context: Its bottom-bracket drop of 72 mm sits toward the deeper-drop end. The seat angle of 73.5° sits somewhat steeper than typical. The chainstay of 440 mm sits somewhat shorter than typical.
Compared with 19 distinct hybrid geometries in the XL-equivalent size cohort from model years 2023–2027 in the Velopedia archive.Want to go deeper?Open this exact published size and configuration in the Velopedia Geometry Analyzer, then complete any measurements the manufacturer did not provide.
Analyze XL geometry Parts & serviceability
Find replacement parts
ChainKMC X10Exact archived model
CassetteShimano Tiagra CS HG500-10Exact archived model
Brake padsShimano BR-MT200 Hydraulic DiscBrake model identified — verify pad shape
More qualified parts (3)
SaddleSelle Royal EaseNamed archived component — verify exact version
Rear derailleurShimano Tiagra RD-4700Exact archived model
ShiftersShimano Tiagra SL-4700, 1X10-Speed Rapidfire PlusExact archived model
Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Commercial relationships do not influence Archive specifications or analysis.
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 the full range under light load, measure chain wear and inspect the cassette or freewheel teeth. Skipping or hesitation can indicate wear, poor adjustment or mismatched parts.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: 2025 Polygon Path 4 · Hybrid · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: ALX URBAN FITNESS · Fork: CARBON RIGID · Carbon Fiber
Drivetrain
Check drivetrain wear →Archived: Shifters: SHIMANO TIAGRA SL-4700, 1x10-SPEED RAPIDFIRE PLUS · Rear derailleur: SHIMANO TIAGRA RD-4700 · Crankset: PROWHEEL OUNCE, 48T · Bottom bracket: PROWHEEL 68mm · Cassette: SHIMANO TIAGRA CS HG500-10 · Chain: KMC X10
Brakes
Inspect the brakes →Archived: Brakes: SHIMANO BR-MT200 HYDRAULIC DISC; Levers: SHIMANO BL-MT200; Rotors: SHIMANO SM-RT26, 160mm
Wheels and tires
Check wheels and tires →Archived: Wheels: ALLOY DOUBLE WALL 24H · Rims: ALLOY DOUBLE WALL FV H: 30 622X19 24H FOR TYRE 622-28/62 DISC · Hubs: F: ALLOY DISC BRAKE 12x100mm 24H / R: ALLOY DISC BRAKE 12x142mm 24H CENTERLOCK FOR SPROCKET · Front tire: VEE GOODIE GOODIE 700x35C 622x35 · Rear tire: VEE GOODIE GOODIE 700x35C 622x35
Controls and contact points
Archived: Headset: FSA TH-881 W/ SEALED BEARING, IS 42/28.6 | IS 52/40 · Handlebar: POLYGON EXPERT, W: 680mm, BB: 31,8mm, R/D: 0mm, B: 6 degree · Stem: POLYGON EXPERT, EXT: 60mm (S, M) / 80mm (L, XL), BB: 31,8mm, R/D: 41mm · Seatpost: POLYGON EXPERT, DxL: 27,2 x 350mm · Saddle: SELLE ROYAL EASE · Pedals: ONE PIECE PP FLAT
Before and during the test ride
Follow the full used-bike inspection order →Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.