GT Helion 27.5 Carbon Expert 2015 mountain bike, DEMONSTRATION, size. L
The GT Helion 27.5 Carbon Expert has a carbon frame with FOC Ultra technology with 110 mm of travel and a fixed rear axle. Off-road comfort is ensured by the Fox Float CTD Boost Valve shock absorber, which has a remote control lockout from the handlebars and a RockShox Reba RL front lockable fork with 110 mm of travel.
GT Helion has high-quality Shimano XT and SLX components with a 2x10 speed drive. Shimano SLX hydraulic disc brakes ensure safety and stability on the descent. Stans NoTubes Rapid rims are ready for tubeless tires and are fitted with fast Continental X-King tires.
Frame - COR XC Philosophy, FOC Ultra Carbon 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
Fork - RockShox Reba RL 27.5 Solo Air, 110mm Travel, 15x100mm Maxle, w/ Remote Lockout and Rebound Adjust, Tapered Alloy Steerer
Shock - Fox Racing Shox Float CTD Remote BV, 6.5"x1.5" Air Shock, w/ Rebound Adjust and Remote Lockout
Derailleur - Shimano Deore XT Shadow Plus, Direct Mount, RD-M786-D, GS Cage
Derailleur - Shimano SLX, FD-M676-D
Shifting - Shimano SLX, SL-M670, Rapid Fire
Brakes - Shimano SLX, BR-M675 Hydraulic, w/ Metallic Pad and RT-68 180mm Centerlock Rotor
Brake levers - Shimano SLX, BL-M675
Cranks - Shimano SLX, FC-M675, 38/24T, 2x10
Central composition - Shimano
Cassette - Shimano CS-HG81-10, 10-Speed, 11-36T
Rims - Stans NoTubes Rapid 25, Tubeless, 32H
Hubs - All Terra High Flange Alloy Disc, Sealed Bearing, 15x100mm / 12x142mm Thru Axle
Wires - DT Competition, 1.8/1.6 Stainless, Black
Tires - Continental X-King 27.5x2.2", Folding
Chain - KMC X10
Handlebars - RaceFace Ride, Low Rise, 740mm Width
Stem - RaceFace Ride, 1-1/8" Threadless, 6° Rise, 31.8mm Clamp, 80mm
Head assembly - Orbit C-40-ACB
Pedals - not available
Saddle - fizik Tundra2, Manganese Rail
Seatpost - RaceFace Ride, 31.6x375mm
Color - gloss white-orange
Sizes - S, M, L, XL
Model year | 2015 |
Gears | 2x10 |
Groupset | Shimano XT, Shimano SLX, Shimano Deore |
Material | carbon fiber |
product ID | 31145 |
Size | XS | S | M | L | XL |
---|---|---|---|---|---|
Rider height (cm) | 142.24 - 152.40 | 152.40 - 165.10 | 165.10 - 177.80 | 177.80 - 185.42 | 185.42 - 198.12 |
All bicycles at the MTBIKER shop are new, not-ridden, from an official distributor and with a full warranty. Several brands even offer a lifetime warranty on the frame after registration. We perform all warranty services in MTBIKER stores after personal delivery or after sending the bike (or its part) by courier.
- The bicycle is taken out of the manufacturer's box
- The bicycle is assembled, inspected and adjusted (front and rear derailleur, shock, fork, wheels,...)
- The bicycle is carefully packed back into a box and shipped
- If you order a bicycle for in store pick up or home delivery, the bicycle will be waiting put together, checked and ready to use for you.
- If you order a bicycle via courier to your home address, the following must be done at home:
- Take the bike out of the box and carefully remove safety material and foils
- Mount handlebar to stem (1 minute, 4 or 5 mm hex hey is needed).
- Mount front wheel to fork (1 minute, without the need of any tools if the bike has a quick release).
- Loosen the screws in the headset, straighten the stem with the front wheel, tighten the upper screw on the fork and then tighten the headset (2 minutes, 4 or 5 mm hex key is needed).
- Mount the pedals to the cranks while lubricating the thread and carefully mounting it the right way (1 minute, 8 mm hex key or 15 mm wrench).
- Mount seatpost to frame (10 seconds, without needing any tools if the frame has a quick link).
- Inflate the tyres or fork and shock to desired pressure (2 minutes, pump needed).
- Check the tightening of hex keys and quick-releases (2 minutes, 4 and 5 mm hex key is needed).
- Go for a test drive! Handle your bicycle carefully until you get used to it. If the bike has disc brakes, their performance will be limited from now on - they will gain their full power after 4-5 strong brakes at higher speed.

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