2021 GT

Avalanche Expert

A 27.5″ aluminum frame hardtail trail bike with upper mid-range components.
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Manufacturer Price

$1,375
FrameAluminum
SuspensionHardtail, 120mm
ForkRockShox Recon Silver RL
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesHydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

24 mph

Avalanche Expert

26 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Avalanche model range

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Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

GT 6061 T6 Aluminum Frame, Triple Triangle w/ Floating Seat Stays, Internal Cable Routing, Dropper Post Routing, Boost 141 Forged Drop-outs w/ Disc Brake Mounts, Zero Stack Tapered 1 1/8"- 1.5" Head Tube, 27.5/29" Wheels

Fork

RockShox Recon Silver RL, 120mm, 15x100, Remote Lockout, Maxle Lite, 42mm Offset

Travel: 120mm

Spring Type: Air

Bottom Bracket

Truvativ Power Spline

Headset

Semi-integrated, Sealed Cartridge, Tapered

Stem

GT All Terra 3D Forged Alloy, 31.8, 7°, 80mm

Handlebar

GT All Terra Alloy Riser, Double-Butted, 15mm Rise, 9° Sweep, 5° Rise, 740mm Width

Saddle

WTB Silverado Sport

Seatpost

GT All-Terra Micro Adjust Alloy Seat Post, 30.9mm

Type: Rigid

Pedals

GT Slim Line Flat Pedal

Grips

GT Statement

Groupset
Rear Derailleur

SRAM SX Eagle

Crank

SRAM SX Eagle Power Spline, 32T

Shifters

SRAM SX Eagle, 12-speed

Cassette

SRAM Eagle 11-50, 12 Speed

Chain

SRAM SX Eagle, 12-speed

Brakes

Tektro HD-M520

Type: Hydraulic Disc

Wheels
Rims

WTB ST i25 TCS 2.0, 32h, Tubeless Ready

Spokes

Stainless Steel, 14g

Front Hub

Shimano MT400, 15x100

Rear Hub

Shimano MT200, QRx141

Tires

Vittoria Barzo, 27.5/29 x 2.25", Wire Bead

Rider Notes
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Last updated September 16
Not listed for 230 days