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2019 Author

Traction 27.5

A 27.5″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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Weight28.0 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkRST AERIAL
Wheels27.5″ Aluminum
Drivetrain2 × 10
GroupsetDeore
BrakesTektro Gemini Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Traction 27.5
Other Crosscountry bikes
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)

28 mph

Traction 27.5

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
15"

4'9" – 5'3"

17"

5'1" – 5'8"

19"

5'6" – 6'1"

21"

5'11" – 6'7"

Rider Fit Notes

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Geometry
Specs
Build
Frame

double butted hydroformed alloy 6061 27.5"

ColorBlack-Matt

Fork

RST Aerial 27.5 TnL air, lock out (100 mm)

Travel100mm

Spring TypeAir

Stem

AUTHOR alloy

Handlebar

AUTHOR 9° 660 / 680 mm

Saddle

AUTHOR Navigator

Seatpost

AUTHOR alloy (31.6)

TypeRigid

Pedals

AUTHOR alloy

Grips

AUTHOR Pro Lock

Groupset
Rear Derailleur

SHIMANO Deore

Front Derailleur

SHIMANO Deore (34.9)

Crank

SHIMANO 38-24 teeth 170 / 175 mm cranks

Shifters

SHIMANO Deore (20)

Cassette

SHIMANO HG500-10 11-42 (10)

Chain

KMC X10

Brakes

TEKTRO Gemini disc hydraulic (6" rotors)

TypeTektro Gemini Hydraulic Disc

Wheels
Rims

AUTHOR Xenon Pro 27.5 32 holes

Spokes

black stainless steel 2.0 mm

Front Hub

AUTHOR Radon 32 holes

Rear Hub

AUTHOR Radon 32 holes

Tires

VITTORIA Barzo kevlar 27.5" x 2.25"

Rider Notes
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First added November 2

Last updated November 8

Not listed for 1,298 days