Polygon Bikes has become synonymous with value, and the brand is reinforcing that notion with the launch of the new Collosus T. This all-new model is positioned very firmly in the “aggressive trail bike” category, with a carbon frame getting 140 mm of rear wheel travel and up-to-date and adjustable geometry. It slots into Polygon’s lineup between the longer-travel Collosus N enduro bike and the versatile mid-travel Siskiu T “for riders seeking a balance between trail agility and downhill capability.” 

For the Collosus T, Polygon is using a new suspension design, which it calls the Compact Independent Floating Suspension (IFS) system. The new carbon frame also includes the cleverly named “PolyPocket” in-frame storage compartment. The bike is highly adaptable with dual flip chips to adjust bottom bracket height or switch to a mixed wheel size setup, and swapable headset cups to change the head tube angle. 

It’s a good-looking bike, but perhaps the most impressive thing about it is the pricing. Complete carbon-framed builds start at $2,999 and top out at $4,999 — with XTR Di2! Let’s check out the details.

Polygon bills the Collosus T as an “aggresive trail bike.”

Polygon Collosus T Details

According to Polygon, the Collosus T was initially conceived as an update to the long-standing Siskiu T model. As the design progressed, the team apparently realized the new model’s potential and reimagined it as an all-new model that slots squarely between the all-around Siskiu T and the gravity-oriented Collosus N. 

The Collosus T gets 140 mm of rear travel, intended to be paired with a 160 mm fork. The rear travel is controlled by Polygon’s new Compact IFS suspension layout, which involves a rigid rear triangle attached to a twin-link system with counter-rotating links. Polygon already uses an IFS design on the longer-travel Collosus N; however, the “Compact” version is unique to the Collosus T.

At present, the Collusus T is only offered in a full-carbon frame, although Polygon states that it will be offered in alloy as well. With this new model, Polygon has gotten on board the in-frame storage train with its “PolyPocket” compartment. This is very similar to other brands, with a small door on the downtube providing access to the empty space in the frame for tools, snacks, or other gear. Otherwise, it has internal cable routing, molded downtube and chainstay protection, and max tire clearance is listed at 29” x 2.6”.

The full carbon frame uses a new Compact IFS suspension design.

Frame Adjustments

The Collosus T comes with 29-inch wheels front and rear, but riders have the option to go with a mullet setup if desired. A flip chip in the seat stay/shock yoke junction accommodates the change to a 27.5-inch rear wheel while preserving the bike’s geometry. Additionally, a flip chip in the shock mount allows riders to adjust the bottom bracket height by +/- 3 to 4 mm between the Hi and Lo settings. At the front of the bike, a “custom headset” includes “half-spherical bearings” to adjust the head tube angle by +/- 0.75 degrees from the neutral/stock angle.

Polygon gave the new Collosus frame several adjustments so you can adapt the bike to your riding style.

Geometry

Speaking of the head tube angle, the Polygon website lists it as 64.5 degrees. With the adjustable headset, riders should be able to slacken it to 63.75 or steepen it to 65.25 degrees. Of course, adjusting the bottom bracket height will also factor into that equation. The takeaway is that there is quite a bit of adjustability, so riders can dial this bike into their preferences, riding style, and terrain. 

The rest of the geometry appears to be in line with modern trail bike standards. The effective seat tube angle is ~77 degrees, and the stated reach measurements look spot on with a large frame at ~485 mm and 20 to 25 mm jumps between sizes. It’s certainly worth mentioning that Polygon has made an effort to provide somewhat balanced front and rear center lengths with 430 mm chainstays on the small and medium frames, and 435 mm on the large and XL. On that note, the Collosus T comes in 4 frame sizes, S to XL.

It isn’t the most straightforward geometry chart, and it’s worth mentioning that the one on the brand’s website lists the head tube angle at 64.5 degrees.

Polygon Collosus T: Builds and Pricing

Polygon is offering the Collosus T in three complete builds, with pricing ranging from $2,999 to $4,999. In an industry where prices have been skyrocketing, these prices are particularly impressive and will undoubtedly help to maintain Polygon’s position as a value leader.

Polygon Collosus T6: $2,999

The Polygon Collosus T6.

Wait, what? A complete mountain bike with a carbon frame for just $2,999. In this economy? While it obviously isn’t the flashiest build in the world, it appears to be totally trail-worthy. This is arguably one of the best values you can find for a complete full-suspension bike in the current market. The T6 build comes with a metallic grey frame.

• Fork: Marzocchi Bomber Z1 160 mm
• Shock: Marzocchi Bomber Air
• Drivetrain: Shimano Deore 12-speed
• Brakes: Shimano MT420, 180 mm rotors
• Wheels: Polygon MT6 Tubeless
• Tires: Maxxis Dissector 29” x 2.4”
• Dropper: TranzX, 150 mm (S, M), 170 mm (L, XL)
• Cockpit: Race Face Aeffect Alloy R 35 handlebar and stem

Polygon Collosus T8: $3,799

The Polygon Collosus T8.

The mid-range Collosus T build looks like another impressive value with RockShox suspension, a mechanical SRAM GX drivetrain, and Magura MT7 brakes. The T8 build comes with a red frame.

• Fork: RockShox Lyrik Select 160 mm
• Shock: RockShox Super Deluxe Select+
• Drivetrain: SRAM GX Eagle
• Brakes: Magura MT7, 180 mm rotors
• Wheels: Polygon MT6 Tubeless
• Tires: Maxxis Dissector 29” x 2.4”
• Dropper: TranzX, 150 mm (S, M), 170 mm (L, XL)
• Cockpit: Race Face Aeffect Alloy R 35 handlebar and stem

Polygon Collosus T9 Di2: $4,999

The Polygon Collosus T9 Di2.

The top-of-the-line Collosus T build is the T9 Di2 that is being sold at a hard-to-believe price of just $4,999. Sure, $5K is no drop in the bucket, but this bike is an absolute steal at this price. The only real weak point that we can see is the Polygon-branded wheelset. The T9 build comes with a flashy metallic titan silver frame.

• Fork: RockShox Lyrik Ultimate 160 mm
• Shock: RockShox Super Deluxe Select+
• Drivetrain: Shimano XTR Di2
• Brakes: Shimano XTR M9220, 180 mm rotors
• Wheels: Polygon MT6 Tubeless
• Tires: Maxxis Dissector 29” x 2.4”
• Dropper: TranzX, 150 mm (S, M), 170 mm (L, XL)
• Cockpit: Race Face Aeffect Alloy R 35 handlebar and stem

Polygon Collosus T: Availability

The new Polygon Collosus models have officially been introduced, although they don’t appear to be available for purchase quite yet. Bikesonline.com is Polygon’s main distribution channel here in the U.S., and the new model does not appear on the site as of today. We’d expect that change very soon, as these well-priced new bikes are sure to be a hit in a market where much higher prices are already the norm.

polygonbikes.com

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