Helion Carbon Pro Complete Mountain Bike - 2015
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When some of the best mountain bike engineers in the world meets some of the best mountain bike materials in the world, you get podium-topping machines like the all-new 2015 GT Helion Pro Carbon Complete Mountain Bike, and you a get a bike that has put the rest of the industry on high alert.
The Helion Pro's frame benefits from GT's recent years of investing enormously in developing the most advanced applications of carbon fiber to the world of mountain biking. While they have a few different versions of the specific carbon types they've developed, the Helion Pro utilizes only the lightest and strongest, called FOC Ultra. FOC stands for Force Optimized Construction, which is a vague way of describing GT's complicated proprietary process of allocating carbon to various areas of the frame and aligning its fibers within fractions of millimeters of precision to achieve maximum stiffness where the frame needs it, and shed all excessive weight at the same time. The result is a chassis that has only been on the market for a few months, but has already won numerous awards for its outstanding overall performance, and it's causing a lot of frustration among GT's competitors.
Helping out that performance 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.
Please note: the 2015 GT Helion Pro Carbon Complete Bike does not come with pedals.
- Frame Material
- FOC Ultra Carbon
- Rear Shock
- FOX Racing Shox FLOAT CTD Remote BV
- Rear Travel
- 110 mm
- Fork
- FOX 32 FLOAT 27.5 CTD Remote FIT
- Front Travel
- 110 mm
- Headset
- Orbit C-40-ACB
- Shifters
- Shimano Deore XT, SL-M780, Rapid Fire, Right Side Only
- Front Derailleur
- e.thirteen XCX+ High Direct Mount
- Rear Derailleur
- Shimano Deore XT Shadow Plus, Direct Mount, RD-M786-D, GS Cage
- Crankset
- RaceFace Turbine Basic, 32T Narrow Wide
- Bottom Bracket
- Race Face
- Cassette
- Shimano Deore XT, CS-M771-10, 10-Speed, 11-36T
- Chain
- KMC X10
- Rotors
- 180 mm Shimano Deore XT, BL-M785
- Handlebar
- Race Face Turbine 35
- Handlebar Rise
- 10 mm
- Handlebar Width
- 740 mm
- Grips
- GT Statement Single Lock-on Grips
- Stem
- Race Face Turbine 35
- Stem Length
- 80 mm
- Saddle
- fizik Tundra2, Manganese Rail
- Seatpost
- Race Face Turbine, 31.6x375mm
- Seat Collar
- All Terra Alloy, 34.9mm
- Hubs
- DT Swiss 350, Centerlock, 15x100mm Thru Axle, DT Swiss 350, Centerlock, 12x142mm Thru Axle
- Tires
- Continental X-King
- Tire Size
- 27.5 in x 2.2 in
- Recommended Use
- cross country
- Manufacturer Warranty
- lifetime on frame
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