Velopedia Bicycle Archive

2025 Polygon COLLOSUS T9 Di2 CARBON

Original specifications: geometry for 4 published sizes.

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At a glance

Archive #900001772
Model year
2025
Category
Mountain
Original MSRP
$4,999.00
Sizes
S, M, L, XL
Colors
Metalic Titan Silver
Geometry
4 manufacturer sizes
In this record
22 specifications · archived image · original MSRP · geometry
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Original buildCarbon Fiber

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

Metalic Titan Silver

Frameset

Frame ConstructionACX Trail 140mm Travel
Frame MaterialCarbon Fiber
ForkRockShox Lyrik Ultimate 160mm Travel
Rear ShockRockShox Super Deluxe Select+, E2E: 210x55mm

Drivetrain

ShiftersShimano XTR Di2 SW-M9250 I-Spec EV, 1X12-Speed
Rear DerailleurShimano XTR Di2 M9250, Shadow ES
CranksetShimano XTR M9220, 32T
Bottom BracketShimano BB93, 73mm
CassetteShimano XTR M9200, 10-51T
ChainShimano XTR M9100
PedalsAlloy Flat W/ Replaceable PIN

Brakes

BrakesShimano XTR M9220, Hydraulic Disc; Levers: Shimano XTR M9220; Rotors: Shimano CL900, 180mm

Cockpit & Contact Points

HeadsetFSA no.76 Alloy TOP Cover, Threadless ZS 51/28.6 | ZS 59/40
HandlebarRACE FACE CHESTER 35, W: 780mm, BB: 35mm, R/D: 35mm, B: 8degree
StemRACE FACE AEFFECT R 35, EXT: 40mm, BB: 35mm, R/D: 0degree
SaddleXtent
SeatpostDropper Post Tranz X JD-YSP39KL 150mm (S, M) / 170mm (L, XL) Travel

Wheels & Tires

HubsF: Shimano XT HB-M8110-B Boost 15x110mm 32H CL / R: Shimano Deore XT FH-M8110-B Boost 12x148mm 32H CL for Micro Spline
WheelsPolygon MT6 Tubeless Ready
RimsAlloy Double Wall H:18mm W: 30mm 622-30 32H for Tyre 622-54/76 TL Ready
Front TireMaxxis Dissector 29"X2.40"
Rear TireMaxxis Dissector 29"X2.40"

Geometry

4 sizes · 13 measurements

Frame measurements by size.

All geometry measurements4 sizes · 13 measurements
MeasurementSMLXL
Seat tube390 mm400 mm415 mm430 mm
Effective top tube572 mm598 mm621 mm645 mm
Head tube90 mm95 mm105 mm120 mm
Head-tube angle64.5°64.5°64.5°64.5°
Seat-tube angle77°77°77°77°
Actual seat-tube angle71°71°71°71°
Chainstay / rear center430 mm430 mm435 mm435 mm
Wheelbase1192 mm1219 mm1248 mm1274 mm
Bottom-bracket drop38 mm38 mm38 mm38 mm
Bottom-bracket height338 mm338 mm338 mm338 mm
Reach440 mm465 mm485 mm505 mm
Stack613 mm618 mm627 mm640 mm
Standover height687 mm691 mm704 mm704 mm

Dimensions as recorded.

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

All published sizes32T · 10–51T
Lowest0.63:1 Highest3.20:1 Total range510%
Estimated speed At 90 RPM Lowest gear4.9 mph Highest gear25.1 mph

Rear tire: 29×2.4.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
SHIMANO XTR M9100
Retailer offers
Cassette · Original
SHIMANO XTR M9200

10-51T

Retailer offers
Front tire · Original
MAXXIS DISSECTOR 29"x2.40"
Retailer offers
Other replacement options (4)
More parts (7)Fewer parts
Bottom bracket · Original
SHIMANO BB93

73mm

Crankset · Original
SHIMANO XTR M9220

32T

Rear derailleur · Original
SHIMANO XTR DI2 M9250

SHADOW ES

Shifters · Original
SHIMANO XTR DI2 SW-M9250 I-SPEC EV

1x12-SPEED

Handlebar · Original
RACE FACE CHESTER 35

W: 780mm, BB: 35mm, R/D: 35mm, B: 8degree

Stem · Original
RACE FACE AEFFECT R 35

EXT: 40mm, BB: 35mm, R/D: 0degree

Headset · Original
FSA NO.76 ALLOY TOP COVER

THREADLESS ZS 51/28.6 | ZS 59/40

Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.

Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire
MAXXIS DISSECTOR 29"x2.40"
Rear tire
MAXXIS DISSECTOR 29"x2.40"
Bottom bracket / shell
SHIMANO BB93, 73mm
Equipment inspection checks 14 checks based on 6 archived component groups Open equipment checksClose equipment checks
0 of 14 checked Progress stays in this browser for this record.

Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.

Full used-bike inspection guide →

Archived: Frame: ACX TRAIL 140mm TRAVEL · Fork: ROCKSHOX LYRIK ULTIMATE 160mm TRAVEL

Archived: Fork: ROCKSHOX LYRIK ULTIMATE 160mm TRAVEL · Rear shock: ROCKSHOX SUPER DELUXE SELECT+, E2E: 210x55mm

Archived: Shifters: SHIMANO XTR DI2 SW-M9250 I-SPEC EV, 1x12-SPEED · Rear derailleur: SHIMANO XTR DI2 M9250, SHADOW ES · Crankset: SHIMANO XTR M9220, 32T · Bottom bracket: SHIMANO BB93, 73mm · Cassette: SHIMANO XTR M9200, 10-51T · Chain: SHIMANO XTR M9100

Archived: Brakes: SHIMANO XTR M9220, HYDRAULIC DISC; Levers: SHIMANO XTR M9220; Rotors: SHIMANO CL900, 180mm

Archived: Wheels: POLYGON MT6 TUBELESS READY · Rims: ALLOY DOUBLE WALL H:18mm W: 30mm 622-30 32H FOR TYRE 622-54/76 TL READY · Hubs: F: SHIMANO XT HB-M8110-B BOOST 15x110mm 32H CL / R: SHIMANO DEORE XT FH-M8110-B BOOST 12x148mm 32H CL FOR MICRO SPLINE · Front tire: MAXXIS DISSECTOR 29"x2.40" · Rear tire: MAXXIS DISSECTOR 29"x2.40"

Controls and contact points

Archived: Headset: FSA NO.76 ALLOY TOP COVER, THREADLESS ZS 51/28.6 | ZS 59/40 · Handlebar: RACE FACE CHESTER 35, W: 780mm, BB: 35mm, R/D: 35mm, B: 8degree · Stem: RACE FACE AEFFECT R 35, EXT: 40mm, BB: 35mm, R/D: 0degree · Seatpost: DROPPER POST TRANZ X JD-YSP39KL 150mm (S, M) / 170mm (L, XL) TRAVEL · Saddle: XTENT · Pedals: ALLOY FLAT W/ REPLACEABLE PIN

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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