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Mountain
Polygon

Collosus T5

2026Aluminium29-inchMountain
$2,699.99
at BikesOnline, was $3,299.99. In stock, checked 3 Nov 2026.
All Polygon prices
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AluminiumFrame
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29-inchWheel size
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Shimano CUES 1x11Drivetrain
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DiscBrakes
SizesSMLXLWhich size?

OverviewAbout the Polygon Collosus T5

The Polygon Collosus T5 is a mountain bike, built on an aluminium frame, listed at $2,699.99 at BikesOnline. An off-road bike for trails, with grippy tyres and trail-ready geometry.

aluminiumdisc brakefull suspensiontrail

How it comparesThe Collosus T5 against similarly priced bikes

  • At $2,699.99 it costs less than 60% of the 223 mountain bikes we list.
  • Head angle: 64.5 degrees, about the same as similarly priced full-suspension mountain bikes (middle 65.0 degrees).
  • Front travel: 160 mm, more than the middle of similarly priced full-suspension mountain bikes (140 mm).
  • Rear travel: 140 mm, about the same as similarly priced full-suspension mountain bikes (middle 135 mm).
  • Reach (size M): 465 mm, about the same as similarly priced full-suspension mountain bikes (middle 460 mm).
  • Lowest gear ratio: 0.64, about the same as similarly priced full-suspension mountain bikes (middle 0.63).
  • Gears at the back: 11-speed, fewer than the middle of similarly priced full-suspension mountain bikes (12-speed).

Closest alternatives on price

Compare the Collosus T5 with the two closest side by side

Compared with the 24 similar mountain bikes on BikeFinder priced $1,900 to $3,650, using each bike's published specs and the price shown on its page.

SizingWhat size Collosus T5 do I need?

cm

Enter your height to see the size Polygon recommends.

Polygon Collosus T5 size chart
SizeRider heightIn feet
S155 to 165 cm5 ft 1 in to 5 ft 5 in
M165 to 175 cm5 ft 5 in to 5 ft 9 in
L175 to 185 cm5 ft 9 in to 6 ft 1 in
XL185 to 196 cm6 ft 1 in to 6 ft 5 in

Rider heights from Polygon's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.

SpecificationsWhat we know

Brand
Polygon
Model year
2026
Category
Mountain
Frame
Aluminium
Wheel size
29-inch
Drivetrain
Shimano CUES 1x11
Brakes
Disc
Frame sizes
S, M, L, XL
Price
$2,699.99 at BikesOnline, was $3,299.99. In stock, checked 3 Nov 2026.

Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.

GeometrySize M

REACH465STACK618WHEELBASE1,219CHAINSTAY43064.5°77.0°
Polygon Collosus T5, size M. Published geometry, drawn to scale (BB drop or fork offset not published, typical value used).
Stack
618 mm
Reach
465 mm
Stack/reach
1.33
Head angle
64.5 deg
Seat angle
77 deg
Wheelbase
1219 mm
Chainstay
430 mm
BB drop
38 mm
Standover
691 mm

GearingRatios

0.64lowest (climbing)
2.91highest (speed)
Very low climbing gear

Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.

Drivetrain & buildFull specification

Groupset
Shimano CUES
Shifting
Mechanical
Drive
1x
Speeds
11
Crank
Samox RAC61C CL55, 165mm Crank Arm
Chainrings
32
Cassette
Shimano CUES CS-LG400-11, 11 to 50T, 11-Speed
Rear derailleur
Shimano CUES RD-U6000-GS, Direct Attach, 11-Speed
Brakes
Shimano MT420 Hydraulic Disc, 4-Piston, 180mm
Rotors
180mm
Wheelset
Alloy Double Wall, 29mm Internal Width, 32H, Tubeless Ready
Rim internal width
29 mm
Stock tyre
29x2.35
Tubeless
Yes
BB standard
BSA threaded
Seatpost
X-Fusion Manic LC, 34.9mm Diameter, 150mm Travel (S, M) / 170mm Travel (L, XL)
Cockpit
Polygon Xpert, 35mm Extension, 35mm Bore, 0 deg Rise / Polygon Xpert, 780mm Width, 35mm Bore, 30mm Rise, 9 deg Bend
Saddle
Fizik Terra Alpaca X5, Alloy 7mm Rails
UDH
Yes

SuspensionMTB detail

Front travel
160 mm
Rear travel
140 mm
Fork
RockShox Psylo Silver RC
Shock
RockShox Deluxe Select
Wheel config
29
Dropper
X-Fusion Manic LC
Dropper travel
150 mm
Discipline
Trail
Suspension
full suspension

Bike DNAWhat the numbers say

Steering
A 64.5 deg head angle points to very slack, built for steep descending.
Climbing
Lowest ratio 0.64 is a very low climbing gear for steep or loaded climbs.

Derived from the published geometry and gearing above. It describes the numbers, not a ride test.

BikeFinder Data Profile: geometry and specification researched from published sources (BikesOnline product page (specification list and geometry table)), verified 2026-11-03. This is a specification analysis, not a physical ride review.

Where to buyStockist

BikesOnline
In stock, checked 3 Nov 2026
$2,699.99
Check size and stock →

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