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GT
Helion Elite Complete Mountain Bike - 2015

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A head-scratcher.

The 2015 GT Helion Elite Complete Mountain Bike is a bit of a head-scratcher. GT has managed to combine an ultra-advanced 110mm suspension system, rendered in top-shelf aluminum alloy, with a great parts kit, all for an extremely reasonable price. We could ponder this one a while, but instead, we'll just tell you why the Helion Elite is one of the best deals we sell, and after one spin, we think you'll agree.


The frame of the Helion Comp you see here is made out of 6061-T6 aluminum alloy. Who cares, right? You will. This is often regarded as the best all-around alloy from which to make bike frames. It's mostly aluminum, but also has composite components of magnesium and silicone, blended in the proper proportion to bestow the metal with rigidity, deformation resistance, and incredible torsional strength while still being one of the lightest alloys on the market. In the Helion, the tubes are butted and hydroformed to exacting thicknesses all over the frame, allocating strength and stiffness where they're needed while eliminating weight where it's not. The bottom line is a frame that is ready to take your worst while helping you ride your best.


Helping out here is GT's revolutionary Independent Drivetrain suspension platform. The idea of isolating the drivetrain so that it's not affected by suspension movement is nothing new, but GT's approach is, and it works really, really well. The crankset and the rest of the drivetrain make their home entirely on the rear triangle, unlike many designs that put the crank on the mainframe and the rest of the drivetrain parts on the rear triangle. The problem with this is suspension compression that occurs with pedal force, robbing you of efficiency. It's simpler to build bikes this way — indeed, the I.D. system on the Helion is complicated to look at, but it works. Sprinting or out-of-saddle climbing is rewarded with hardtail-like efficiency, not dependent on a shock's damping, yet it's incredibly compliant, and the front half of the bike remains extremely stable. One spin and you'll see why we love it.


As mentioned, a lot of the value of the Helion Elite derives from its excellent parts build. You've got a 2x10 Shimano SLX/Deore drivetrain that is light, quick, and super reliable. GT's own All Terra cockpit componentry is tough as nails but doesn't weigh a ton, and the 740mm-wide handlebar is the perfect size and shape. The RockShox XC32 fork and X-Fusion 02RL rear shock make for a dynamic and adjustable suspension duo. Down below, some sturdy WTB rims are laced to GT All Terra hubs, which get wrapped in some WTB Beeline tires that roll fast but can still claw their way through technical terrain confidently.


The 2015 GT Helion Elite Complete Bike comes in four sizes, from Small to X-Large, and in the color Navy only. Pedals are not included.


Frame Material
6061-T6 Hydroformed Aluminum
Rear Shock
X-Fusion 02 RL, 6.5"x1.5" Air Shock, w/ Rebound Adjust & Remote Lockout
Rear Travel
110 mm
Fork
RockShox XC32 TK 27.5 Solo Air
Front Travel
110 mm
Headset
Orbit C-40-ACB
Shifters
Shimano Deore, SL-M610, Rapid Fire
Front Derailleur
Shimano Deore, FD-M616-D
Rear Derailleur
Shimano SLX Shadow Plus, Direct Mount, RD-M675-D
Crankset
Shimano Deore, FC-M615, 38/24T, 2x10
Bottom Bracket
Shimano
Cassette
Shimano CS-HG50-10, 11-36T, 10-speed
Chain
KMC X10
Rotors
180 mm Shimano BR-M447 Hydraulic
Handlebar
All Terra AL6061 DB
Handlebar Width
740 mm
Grips
GT Statement Single Lock-on Grips
Stem
All Terra, 1-1/8" Threadless
Stem Length
80 mm
Saddle
WTB Silverado
Seatpost
All Terra 2-bolt, 31.6x400mm
Seat Collar
All Terra Alloy QR, 34.9mm
Hubs
All Terra Tall Flange Alloy Centerlock Disc, Sealed Bearing, 15x100mm Thru Axle, All Terra Alloy Cassette Centerlock Disc, w/ QR
Tires
WTB BeeLine 27.5x2.2"
Tire Size
27.5 in x 2.2 in
Pedals
not included
Recommended Use
cross country, trail
Manufacturer Warranty
lifetime on frame

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