Accessibility Widget: On | Off

2017 GT Helion Expert 9R Bike (discontinued)

Create New Tag

Compare to other Bikes

Need more info? View our Trail Mountain Bikes buyer's guide.


Product GT Helion Expert 9R Bike
Model Year 2017
Riding Type Trail
Rider Unisex
Sizes and Geometry
XS, S, M, L, XL View Geometry
Size XS S M L XL
Top Tube Length 553mm 579mm 606mm 634mm 664mm
Head Tube Angle 69.1° 69.5° 69.5° 69.5° 69.5°
Head Tube Length 90mm 90mm 103mm 119mm 135mm
Seat Tube Angle 70.5° 70.5° 70.5° 70.5° 70.5°
Seat Tube Length 460mm 460mm 460mm 490mm 520mm
Bottom Bracket Height 325mm 325mm 325mm 325mm 325mm
Chainstay Length 438mm 438mm 438mm 438mm 438mm
Wheelbase 1062mm 1076mm 1090mm 1118mm 1148mm
Standover 785mm 785mm 785mm 807mm 830mm
Reach 358mm 380mm 403mm 425mm 450mm
Stack 550mm 562mm 574mm 589mm 604mm
Wheel Size 29"
Frame Material Aluminum
Frame Material Details 6061-T6 hydroformed aluminum
Rear Travel 110mm
Rear Shock FOX Performance Elite Float air shock with rebound adjust and remote lockout
Fork FOX Performance 32 Float SC 29", remote lockout and rebound adjust
Fork Travel 100mm
Head Tube Diameter 1 1/8"-1 1/2"
Headset FSA Orbit C-40-ACB
Handlebar All Terra AL6061 DB, 740mm width, 31.8mm Clamp
Stem All Terra, 1-1/8" threadless, 80mm length, 6° Rise, 31.8mm clamp
Grips GT Statement Single Lock-on
Brakes Shimano Deore M506 hydraulic disc with 180mm front/180mm rear centerlock rotors
Brake Levers Shimano Deore
Drivetrain 2x
Shifters Shimano SLX, rapid fire
Front Derailleur Shimano SLX
Rear Derailleur SLX Shadow Plus GS
Chainguide N/A
Cranks Race Face Ride
Chainrings 36/26 tooth
Bottom Bracket Shimano
Pedals None included
Chain KMC X11
Cassette SunRace, 11 x 42 tooth, 11-speed
Rims WTB STP i23 29", tubeless compatible, 32 hole
Hubs Front: Shimano SLX, HB-M618-B, centerlock disc, 15x110mm thru axle
Rear: Shimano SLX centerlock 12mm x 142mm
Tires Front: Schwalbe Racing Ralph Snakeskin 2.25", folding, TL-Easy
Rear: Schwalbe Racing Ralph Snakeskin 2.0", folding, TL-Easy
Saddle WTB Silverado Race SL, cromoly rail
Seatpost Race Face Ride
Seatpost Diameter 31.6mm
Seatpost Clamp All Terra Alloy QR, 34.9mm
Rear Dropout / Hub Dimensions 12mm x 142mm
Max. Tire Size
Bottle Cage Mounts Yes
Colors Black/blue/red
Warranty Frame warranted against manufacturing defects in materials and/or workmanship for the lifetime of the original owner. All other components, frame fixtures and finishes (paint and decals) are warranted against manufacturing defects in materials and/or workmanship for a period of one year from the date of original retail purchase. Suspension forks (other than those made by GT) are not covered by this limited warranty, but are separately covered by the stated warranty of their manufacturer.
Weight N/A
Miscellaneous Angle Optimized Suspension System
Price $3,200
More Info

GT Bicycles

More Products