2021 GT Avalanche Comp

A 27.5″ aluminum frame hardtail crosscountry bike, priced near the low end of the Avalanche model range. Compare the full range

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2021 GT Avalanche Comp
MSRP$1,000
Front Travel100mm
FrameAluminum
ForkSunTour XCM
Wheels27.5″
Drivetrain1 × 10
GroupsetmicroSHIFT
BrakesHydraulic Disc
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Gearing

1 × 10 — 10 speed

Avalanche Comp

24 mph

Similar Bikes

27 mph

The Avalanche Comp is geared about the same as similar bikes for riding up hills.

The Avalanche Comp won‘t keep up with similar bikes while riding downhill or sprinting.


Estimated Spec Level

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

Spec level →$0$200$400$600$800$1,000
This bike
Other crosscountry bikes

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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

SR Suntour XCM-DS, 100mm, Hydraulic Lockout and Preload adjust, Coil

Bottom Bracket

Cartridge, Square Taper

Headset

Semi-integrated, Sealed Cartridge, Tapered

Stem

GT All Terra, 6061 Alloy, 31.8, 8°

Handlebar

GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width

Saddle

GT MTB

Seatpost

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

Pedals

GT Slim Line Flat Pedal

Grips

GT Statement

Groupset
Rear Derailleur

Microshift RD-M6205GM

Crank

Prowheel Charm, 32T

Shifters

microSHIFT M851, 10-speed

Cassette

microSHIFT, 11-42T

Chain

KMC X10, 10-speed

Brakes

Tektro HD-M275

Wheels
Rims

WTB SX19, 32h

Spokes

Stainless Steel, 14g

Front Hub

Formula, QRx100

Rear Hub

Formula, QRx141

Tires

WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound

2021 GT Avalanche Comp
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