GT Helion Expert 2016 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.

A lightweight, fast, and affordable alloy XC bike that loves to take on the trails.

Key Features:
  • 110mm Travel: More than most XC category bikes, perfect for soaking up the descents.
  • Angle Optimised Suspension: Smooths out the trail with terrainmatching response in the rear.
  • Progressive Geometry: More aggressive geometry than other bikes in the category for confidence and control while descending without sacrificing body position for climbing


Frame COR XC Philosophy, 6061-T6 Hydroformed Aluminum Frame, 110mm Travel Independent Drivetrain® AOS Suspension System w/Forged Linkage, Pivots, 1 1/8"-1 1/2" Integrated Head Tube, and 12 x 142mm Maxle Dropouts
Forks RockShox Reba, 120mm Travel, 15QR, Remote Lockout & Rebound Adjust, Tapered Alloy Steerer
Rear_Shock FOX PERFORMANCE ELITE 36 FLOAT, 6.5"x1.5" Air Shock, w/ Rebound Adjust & Remote Lockout
Headset Orbit C-40-ACB
Handlebars RaceFace Ride, Low Rise, 740mm Width
Stem RaceFace Ride, 1-1/8" Threadless, 6° Rise, 31.8mm Clamp, 70mm
Shifters 20 Speed Shimano SLX, SL-M670, Rapid Fire
Front_Mech Shimano Deore, FD-M617-D
Rear_Mech Shimano Deore XT Shadow Plus, Direct Mount, RD-M786-D, GS Cage
Chainset Shimano SLX, FC-M677, 38/24T
Bottom_Bracket Shimano
Chain KMC X10
Cassette Shimano CS-HG81-10, 10-Speed, 11-36T
Front_Brake Shimano Deore, BR-M615 Hydraulic, w/ Metallic Pad & 180mm Centerlock Rotor
Rear_Brake Shimano Deore, BR-M615 Hydraulic, w/ Metallic Pad & 180mm Centerlock Rotor
Rims WTB STi23, Tubeless Compatible, 32H
Front_Hub Shimano SLX, HB-M618, Centerlock Disc, 15x100mm Thru Axle
Rear_Hub Shimano SLX, FH-M618, Centerlock Disc, 12x142mm Thru Axle
Spokes 14/15G Stainless, Black
Tyres WTB BeeLine TCS 27.5x2.2 Front
WTB BeeLine TCS 27.5x2.2 Rear
Seatpost RaceFace Ride, 31.6x375mm

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