Polygon Collosus DH7 MX Downhill MTB - Black

Mullet Wheel Configuration 29"/27.5"

Out of Stock


Polygon DH7 – Downhill Speed Without the Hefty Price Tag

The Polygon DH7 is built to send it—without sending your wallet into a tailspin. Designed for serious downhill riders who want race-ready performance at an unbeatable price, this beast features a mullet wheel setup (29” front, 27.5” rear) for the perfect blend of speed and agility on gnarly descents.

A RockShox Boxxer Base 200mm fork and plush rear suspension soak up big hits with ease, while TRP DH-R EVO brakes deliver the stopping power you need when the trail gets wild. The SRAM GX DH 7-speed drivetrain keeps shifting crisp and reliable, so you can focus on picking the fastest lines.

With a dialed spec, solid performance, and an unbeatable price, the DH7 is ready to rip—no excuses.

SPECIFICATIONS

frame ALX DOWNHILL 200mm TRAVEL
sizes (ct) S, M, L, XL
frame color METALLIC BLACK
decal color KHASIMA GLOSS
head tube i.d. 56/56mm
bottom br shell BSA THREADED 83mm
iscg mount ISCG05
fork ROCKSHOX BOXXER BASE. AIR SPRING, TRAVEL 200mm, CHARGER 3, COMPRESSION, REBOUND
steerer STRAIGHT 1-1/8
rear rim ALLOY RIM 584-29 32H
rear hub spacing 12x157mm FOR THRU AXLE TP1.0 L - 182mm
rear shock ROCKSHOX VIVID BASE, AIR SPRING, REBOUND ADJUST, METRIC 250x75mm
handlebar RACEFACE ATLAS 35, 820mm, 35mm Clamp, 35mm Rise, 8Degree Bend
stem RACEFACE ATLAS 35 DIRECT MOUNT, 50mm, 35mm Clamp
headset FSA NO.55/57-1. ZS 56/28.6 | ZS 56/30
saddle XTENT, STEEL RAIL
seatpost POLYGON EXPERT 34.9 X 320mm
crankset SRAM DESCENDANT DH 34T 165mm
pedal ALLOY W/ REPLACEABLE PIN
bottom bracket SRAM DUB BSA 83mm
chain KMC X11
cassette sprocket SRAM PG720 7-SP, 11-25T
rear derailleur SRAM GX DH 7-SP
shifting lever SRAM GX DH 7-SP
brakes TRP DH-R EVO
brake lever TRP DH-R EVO
brake set TRP DH-R EVO
rotor TRP RS01E 6BOLT
tyre SCHWALBE TACKY CHAN ADDIX SOFT FRONT - 29"x2.4" (622-62) ; REAR - 27.5"x2.4" (584-62)
maximum tyre size 29"x2.60"
front rim ALLOY RIM 622-29 32H
front hub NOVATEC 32H TA 20X110 6B
spokes SAPIM J-BEND W/ 14Gx14MM BRASS NIPPLE
rear hub NOVATEC 32H TA 12X157 6B FOR CASSETTE SPROCKET
dropout UDH (UNIVERSAL DERAILLEUR HANGER)

SPECIFICATIONS

Frame Material Alloy
Fork Material Suspension
Brake Type Hydraulic Disc Brake
Groupset Brand Sram
Groupset Model GX Eagle
Fork Brand Rockshox
Fork Travel 171 - 220mm
Shock Travel 171 - 220mm
Shifting Type Mechanical
Pedals Included No
Drivetrain Gearing 1 x 7
Ride Style Downhill
FRAME ALX DOWNHILL 200mm TRAVEL
SIZES (CT) S, M, L, XL
FRAME COLOR METALLIC BLACK
DECAL COLOR KHASIMA GLOSS
HEAD TUBE I.D. 56/56mm
BOTTOM BR SHELL BSA THREADED 83mm
ISCG MOUNT ISCG05
Fork ROCKSHOX BOXXER BASE. AIR SPRING, TRAVEL 200mm, CHARGER 3, COMPRESSION, REBOUND
Steerer STRAIGHT 1-1/8
REAR RIM ALLOY RIM 584-29 32H
Rear Hub Spacing 12x157mm FOR THRU AXLE TP1.0 L - 182mm
REAR SHOCK ROCKSHOX VIVID BASE, AIR SPRING, REBOUND ADJUST, METRIC 250x75mm
Handlebar RACEFACE ATLAS 35, 820mm, 35mm Clamp, 35mm Rise, 8Degree Bend
Stem RACEFACE ATLAS 35 DIRECT MOUNT, 50mm, 35mm Clamp
Headset FSA NO.55/57-1. ZS 56/28.6 | ZS 56/30
Saddle XTENT, STEEL RAIL
Seatpost POLYGON EXPERT 34.9 X 320mm
Crankset SRAM DESCENDANT DH 34T 165mm
PEDAL ALLOY W/ REPLACEABLE PIN
Bottom Bracket SRAM DUB BSA 83mm
Chain KMC X11
Cassette Sprocket SRAM PG720 7-SP, 11-25T
Rear Derailleur SRAM GX DH 7-SP
SHIFTING LEVER SRAM GX DH 7-SP
BRAKES TRP DH-R EVO
Brake lever TRP DH-R EVO
BRAKE SET TRP DH-R EVO
Rotor TRP RS01E 6BOLT
Tyre SCHWALBE TACKY CHAN ADDIX SOFT FRONT - 29"x2.4" (622-62) ; REAR - 27.5"x2.4" (584-62)
Maximum tyre size 29"x2.60"
FRONT RIM ALLOY RIM 622-29 32H
FRONT HUB NOVATEC 32H TA 20X110 6B
SPOKES SAPIM J-BEND W/ 14Gx14MM BRASS NIPPLE
REAR HUB NOVATEC 32H TA 12X157 6B FOR CASSETTE SPROCKET
Dropout UDH (UNIVERSAL DERAILLEUR HANGER)

* All specifications listed are subject to change without notice. Please note that our specifications may be impacted by manufacturer component substitution changes caused by high global demand for bikes and resulting supply chain issues in the bike industry. We recommend confirming the specifications with your local Evo Cycles showroom if you have any questions.

Bike Weight: Many brands strive to list the lowest possible weight, but in reality weight can vary based on frame size, finish, hardware and accessories. The most accurate way to determine any bike's weight is to have your local showroom weigh it for you.

Bike Size

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