Polygon Collosus DH8 27.5" 2017 Downhill Mountain Bike

What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

Collosus DH8 is a perfect downhill bike for any downhill riders looking to race, jump, or drop into steep, and rough terrain. With an ALX front triangle, ACX advanced carbon rear, and an updated suspension system that has been tested and proven on the famous UCI World Cup Downhill circuit, the Collosus DH8 is your ideal mate to take control over your gravity fed addiction, roll faster, and improve your performance on any trail.

  • ALX Advance Hydroformed Downhill Frame combine with carbon rear triangle with the newest Floating Suspension System technology
  • Full Shimano Zee groupset 10 Speed
  • Rockshox Boxxer Team fork and Rockshox Vivid R2C rear shock
  • Kore Torsion oversized 35mm barbore handlebar and stem
  • Spank Spike Race28 DH EVO rims with Schwalbe Magic Marry tyres


Frame Alx Advance Downhill And Carbon Rear Triangle, New Floating Suspension System, 8” Travel, 12x157mm
Forks Rockshox Boxxer Team, Coil Spring, Travel 200mm, Standard Steerer
Rear_Shock Rockshox Vivid R2c, 9.5”x3.00” (240x76mm), M10x22.2mm
Headset Fsa No.57e-1, Id 44/56mm
Handlebars Kore Torsion M35, Alloy, 800mm
Stem Kore Torsion Dm V2 M35, Alloy, 30mm
Shifters 10 Speed Shimano Zee Sl-m640
Rear_Mech Shimano Zee Rd-m640ss
Chainset Shimano Zee Fc-m645 36t, 165mm
Bottom_Bracket Shimano Hollowtech 2
Chain Shimano Deore Xt Cn-hg95
Cassette Shimano Cs-5700, 11-25t
Front_Brake Shimano Zee Br-m640
Rear_Brake Shimano Zee Br-m640
Rims Spank Spike Race28 Dh Evo
Front_Hub Novatec
Rear_Hub Novatec
Tyres Schwalbe Magic Mary, 27.5x2.35 Front
Schwalbe Magic Mary, 27.5x2.35 Rear
Seatpost Kore Aerox 3, Alloy, 30.9x300mm
Pedals Kore Torsion Sx V2

Occasionally, without notice, manufacturers change product design and/or specifications.