2024 Author

Traction 27.5

A 27.5″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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Weight29.1 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkRST AERIAL
Wheels27.5″ Aluminum
Drivetrain2 × 10
GroupsetDeore
BrakesHydraulic 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)

27 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"

Rider Fit Notes

None yet.

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

double butted hydroformed alloy 6061 27.5"

ColorGrey-Matt / Lime

Fork

RST Aerial 27.5 15 TRL air, remote lock out (100 mm)

Travel100mm

Spring TypeAir

Stem

AUTHOR alloy

Handlebar

AUTHOR rise 15 mm, 9°, 680 / 700 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 M4100-2, 36-26 teeth, 170 / 175 mm cranks

Shifters

SHIMANO Deore (20)

Cassette

SHIMANO CS-M4100-10, 11-42 (10)

Chain

KMC X10

Brakes

TEKTRO HD-M530, disc hydraulic (6" rotors)

TypeHydraulic Disc

Wheels
Rims

AUTHOR Xenon TRC 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 aramid 27.5" × 2.25"

Rider Notes
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Last updated June 21